J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
02:12 JST 01 May 2011 Ibaraki-ken Oki 10 km 5.0 36.4 N 141.0 E3 No tsunami alerts
03:07 JST 01 May 2011 Miyagi-ken Oki 50 km 3.6 38.8 N 142.0 E1 No tsunami alerts
07:04 JST 01 May 2011 Chiba-ken Toho-oki 30 km 3.4 35.8 N 141.0 E1 No tsunami alerts
07:48 JST 01 May 2011 Fukushima-ken Hamadori 10 km 3.5 36.9 N 140.8 E1 No tsunami alerts
08:04 JST 01 May 2011 Iwate-ken Oki 30 km 3.8 39.5 N 142.3 E1 No tsunami alerts
08:08 JST 01 May 2011 Ibaraki-ken Oki 20 km 4.4 36.4 N 141.0 E2 No tsunami alerts
08:24 JST 01 May 2011 Ibaraki-ken Oki 20 km 4.3 36.4 N 141.0 E2 No tsunami alerts
09:02 JST 01 May 2011 Fukushima-ken Hamadori 10 km 4.2 37.1 N 140.9 E3 No tsunami alerts
10:27 JST 01 May 2011 Ibaraki-ken Oki 30 km 4.4 36.0 N 140.9 E3 No tsunami alerts
10:45 JST 01 May 2011 Saitama-ken Nambu 90 km 4.1 35.9 N 139.8 E3 No tsunami alerts
10:56 JST 01 May 2011 Fukushima-ken Oki 40 km 4.1 37.2 N 141.5 EUnknNo tsunami alerts
10:59 JST 01 May 2011 Fukushima-ken Hamadori very shallow 2.7 37.1 N 140.8 E1 No tsunami alerts
11:22 JST 01 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E2 No tsunami alerts
11:26 JST 01 May 2011 Ibaraki-ken Hokubu very shallow 2.8 36.7 N 140.7 E1 No tsunami alerts
11:31 JST 01 May 2011 Miyagi-ken Chubu 10 km 2.5 38.3 N 140.7 E1 No tsunami alerts
11:44 JST 01 May 2011 Yamagata-ken Okitama-chiho 10 km 3.0 37.8 N 140.0 E1 No tsunami alerts
11:48 JST 01 May 2011 Fukushima-ken Oki 30 km 4.6 37.4 N 141.2 E4 No tsunami alerts
12:26 JST 01 May 2011 Fukushima-ken Oki 50 km 4.2 37.1 N 141.2 E2 No tsunami alerts
12:28 JST 01 May 2011 Miyagi-ken Oki 50 km 4.1 37.9 N 142.1 E1 No tsunami alerts
12:37 JST 01 May 2011 Fukushima-ken Hamadori 10 km 3.8 37.1 N 140.7 E3 No tsunami alerts
12:57 JST 01 May 2011 Miyagi-ken Chubu 10 km 2.4 38.3 N 140.7 E1 No tsunami alerts
13:40 JST 01 May 2011 Fukushima-ken Hamadori 10 km 3.4 37.0 N 140.7 E1 No tsunami alerts
14:06 JST 01 May 2011 Fukushima-ken Oki 10 km 4.4 37.5 N 141.3 E3 No tsunami alerts
14:12 JST 01 May 2011 Fukushima-ken Oki 20 km 3.3 36.9 N 141.1 E1 No tsunami alerts
15:51 JST 01 May 2011 Chiba-ken Hokuseibu 30 km 2.5 35.5 N 140.2 E1 No tsunami alerts
16:04 JST 01 May 2011 Ibaraki-ken Oki 10 km 4.5 36.0 N 141.1 E2 No tsunami alerts
18:14 JST 01 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.8 E1 No tsunami alerts
18:32 JST 01 May 2011 Miyagi-ken Oki 50 km 3.8 38.6 N 141.9 E2 No tsunami alerts
18:36 JST 01 May 2011 Ibaraki-ken Hokubu 30 km 4.0 36.6 N 140.6 E3 No tsunami alerts
19:22 JST 01 May 2011 Ibaraki-ken Oki 30 km 4.4 36.0 N 140.9 E2 No tsunami alerts
19:23 JST 01 May 2011 Fukushima-ken Oki 30 km 4.0 37.1 N 141.6 E1 No tsunami alerts
19:31 JST 01 May 2011 Ibaraki-ken Hokubu 20 km 3.4 36.7 N 140.6 E1 No tsunami alerts
19:35 JST 01 May 2011 Iwate-ken Oki 30 km 4.2 39.0 N 142.4 E1 No tsunami alerts
20:01 JST 01 May 2011 Fukushima-ken Hamadori very shallow 3.4 37.1 N 140.9 E2 No tsunami alerts
20:47 JST 01 May 2011 Miyagi-ken Oki 60 km 3.8 38.5 N 141.9 E1 No tsunami alerts
21:12 JST 01 May 2011 Akita-ken Nairiku-nambu 10 km 2.5 39.5 N 140.4 E2 No tsunami alerts
21:30 JST 01 May 2011 Akita-ken Nairiku-nambu 10 km 2.5 39.5 N 140.5 E2 No tsunami alerts
21:55 JST 01 May 2011 Iwate-ken Oki 50 km 3.6 39.7 N 142.1 E1 No tsunami alerts
00:51 JST 02 May 2011 Fukushima-ken Hamadori 20 km 3.3 37.0 N 140.8 E1 No tsunami alerts
02:26 JST 02 May 2011 Iwate-ken Oki 50 km 3.1 39.7 N 142.1 E1 No tsunami alerts
03:36 JST 02 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.0 N 140.7 E1 No tsunami alerts
04:04 JST 02 May 2011 Akita-ken Nairiku-nambu 20 km 2.1 39.6 N 140.6 E1 No tsunami alerts
04:59 JST 02 May 2011 Fukushima-ken Hamadori 20 km 4.0 37.0 N 140.7 E2 No tsunami alerts
06:59 JST 02 May 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.8 E1 No tsunami alerts
07:05 JST 02 May 2011 Miyagi-ken Oki 40 km 3.8 38.4 N 142.3 E1 No tsunami alerts
07:14 JST 02 May 2011 Chiba-ken Hokuseibu 20 km 2.8 35.5 N 140.2 E1 No tsunami alerts
08:02 JST 02 May 2011 Amami-oshima Kinkai 10 km 4.0 28.7 N 129.6 E2 No tsunami alerts
08:25 JST 02 May 2011 Fukushima-ken Oki 40 km 4.2 37.8 N 141.7 E2 No tsunami alerts
08:52 JST 02 May 2011 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.7 E3 No tsunami alerts
09:17 JST 02 May 2011 Ibaraki-ken Hokubu very shallow 2.6 36.7 N 140.7 E1 No tsunami alerts
09:18 JST 02 May 2011 Ibaraki-ken Nambu 50 km 3.0 36.2 N 139.8 E1 No tsunami alerts
09:38 JST 02 May 2011 Iwate-ken Oki 40 km 3.9 39.8 N 142.4 E1 No tsunami alerts
09:38 JST 02 May 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E2 No tsunami alerts
09:49 JST 02 May 2011 Ibaraki-ken Oki 40 km 3.8 36.3 N 141.0 E2 No tsunami alerts
10:17 JST 02 May 2011 Ibaraki-ken Nambu 50 km 3.3 36.1 N 139.8 E1 No tsunami alerts
10:33 JST 02 May 2011 Fukushima-ken Nakadori 10 km 3.0 37.0 N 140.5 E1 No tsunami alerts
11:09 JST 02 May 2011 Fukushima-ken Oki 40 km 4.5 37.6 N 141.7 E3 No tsunami alerts
11:48 JST 02 May 2011 Fukushima-ken Hamadori 20 km 2.7 37.0 N 140.6 E1 No tsunami alerts
12:17 JST 02 May 2011 Fukushima-ken Hamadori 10 km 3.7 37.0 N 140.6 E3 No tsunami alerts
13:15 JST 02 May 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.7 E1 No tsunami alerts
15:09 JST 02 May 2011 Kushiro Oki 40 km 3.8 42.9 N 145.5 E2 No tsunami alerts
15:25 JST 02 May 2011 Iwate-ken Oki 40 km 3.6 39.9 N 142.4 E1 No tsunami alerts
15:44 JST 02 May 2011 Ibaraki-ken Oki 50 km 3.8 36.4 N 140.9 E2 No tsunami alerts
16:55 JST 02 May 2011 Ibaraki-ken Oki 30 km 4.0 36.6 N 140.9 E3 No tsunami alerts
18:10 JST 02 May 2011 Ibaraki-ken Nambu 50 km 3.0 36.1 N 139.9 E1 No tsunami alerts
18:53 JST 02 May 2011 Fukushima-ken Oki 40 km 4.1 37.1 N 141.5 E2 No tsunami alerts
20:29 JST 02 May 2011 Miyagi-ken Oki 50 km 4.2 38.6 N 141.9 E3 No tsunami alerts
21:36 JST 02 May 2011 Miyagi-ken Oki 40 km 4.7 38.3 N 142.2 E2 No tsunami alerts
22:34 JST 02 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.6 N 140.6 E2 No tsunami alerts
22:57 JST 02 May 2011 Fukushima-ken Hamadori 20 km 3.0 37.0 N 140.6 E1 No tsunami alerts
00:14 JST 03 May 2011 Ibaraki-ken Oki 40 km 3.7 36.7 N 141.1 E1 No tsunami alerts
01:06 JST 03 May 2011 Ibaraki-ken Oki 30 km 3.0 36.0 N 140.8 E1 No tsunami alerts
01:44 JST 03 May 2011 Fukushima-ken Hamadori 20 km 3.2 37.0 N 140.6 E1 No tsunami alerts
02:18 JST 03 May 2011 Miyagi-ken Chubu 10 km 2.4 38.3 N 140.7 E1 No tsunami alerts
02:44 JST 03 May 2011 Fukushima-ken Oki 40 km 4.0 37.2 N 141.6 E1 No tsunami alerts
03:35 JST 03 May 2011 Ibaraki-ken Nambu 50 km 3.0 36.2 N 139.8 E1 No tsunami alerts
05:01 JST 03 May 2011 Ibaraki-ken Oki 40 km 4.1 36.7 N 141.1 E2 No tsunami alerts
05:15 JST 03 May 2011 Tsugaru-kaikyo 10 km 3.5 41.4 N 141.3 E2 No tsunami alerts
05:31 JST 03 May 2011 Fukushima-ken Oki 30 km 4.4 37.2 N 141.4 E2 No tsunami alerts
06:26 JST 03 May 2011 Iwate-ken Oki 30 km 4.9 40.1 N 142.7 E3 No tsunami alerts
07:06 JST 03 May 2011 Osaka-fu Nambu very shallow 2.9 34.3 N 135.2 E2 No tsunami alerts
08:22 JST 03 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.6 33.0 N 130.7 E1 No tsunami alerts
08:46 JST 03 May 2011 Iwate-ken Oki 30 km 3.6 39.1 N 142.4 E1 No tsunami alerts
09:10 JST 03 May 2011 Miyagi-ken Oki 30 km 3.9 38.9 N 142.4 E1 No tsunami alerts
11:13 JST 03 May 2011 Fukushima-ken Hamadori 20 km 3.7 36.9 N 140.7 E2 No tsunami alerts
12:25 JST 03 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.0 N 140.7 E1 No tsunami alerts
12:58 JST 03 May 2011 Ibaraki-ken Oki 30 km 4.0 36.8 N 141.2 E1 No tsunami alerts
13:28 JST 03 May 2011 Nagano-ken Chubu very shallow 3.1 36.1 N 137.6 E1 No tsunami alerts
14:26 JST 03 May 2011 Chiba-ken Nanto-oki 40 km 4.1 34.9 N 140.4 E2 No tsunami alerts
15:22 JST 03 May 2011 Ibaraki-ken Oki very shallow 4.4 35.8 N 141.4 E1 No tsunami alerts
19:26 JST 03 May 2011 Ibaraki-ken Oki 20 km 4.1 36.6 N 141.9 E1 No tsunami alerts
20:44 JST 03 May 2011 Fukushima-ken Oki 50 km 4.3 37.5 N 141.4 E2 No tsunami alerts
20:52 JST 03 May 2011 Niigata-ken Chuetsu-chiho 10 km 3.0 37.0 N 138.6 E2 No tsunami alerts
22:36 JST 03 May 2011 Miyagi-ken Oki 40 km 4.7 38.8 N 142.0 E3 No tsunami alerts
22:35 JST 03 May 2011 Ibaraki-ken Hokubu 20 km 2.6 36.7 N 140.7 E1 No tsunami alerts
22:57 JST 03 May 2011 Fukushima-ken Hamadori 20 km 4.5 37.0 N 140.6 E4 No tsunami alerts
22:57 JST 03 May 2011 Fukushima-ken Hamadori 20 km 4.5 37.0 N 140.6 E4 Intensity correction
23:02 JST 03 May 2011 Fukushima-ken Oki 20 km 3.7 37.2 N 141.3 E1 No tsunami alerts
23:31 JST 03 May 2011 Miyagi-ken Oki 50 km 3.2 38.8 N 142.1 E1 No tsunami alerts
23:53 JST 03 May 2011 Fukushima-ken Hamadori 10 km 3.7 37.0 N 140.9 E2 No tsunami alerts
00:27 JST 04 May 2011 Chiba-ken Hokutobu 40 km 3.3 35.8 N 140.7 E1 No tsunami alerts
00:37 JST 04 May 2011 Kii-suido 10 km 2.5 34.2 N 135.1 E1 No tsunami alerts
00:45 JST 04 May 2011 Fukushima-ken Oki 40 km 4.0 37.2 N 141.5 E1 No tsunami alerts
02:30 JST 04 May 2011 Fukushima-ken Oki 30 km 3.2 37.3 N 141.3 E1 No tsunami alerts
02:54 JST 04 May 2011 Akita-ken Nairiku-nambu 10 km 2.6 39.5 N 140.5 E1 No tsunami alerts
02:55 JST 04 May 2011 Fukushima-ken Hamadori 20 km 2.9 37.0 N 140.8 E1 No tsunami alerts
03:40 JST 04 May 2011 Ibaraki-ken Oki 30 km 3.4 36.3 N 141.1 E1 No tsunami alerts
03:52 JST 04 May 2011 Akita-ken Nairiku-nambu 10 km 3.0 39.6 N 140.6 E2 No tsunami alerts
04:15 JST 04 May 2011 Miyagi-ken Nambu 10 km 3.8 38.0 N 140.6 E2 No tsunami alerts
05:51 JST 04 May 2011 Iwate-ken Oki 30 km 3.3 39.1 N 142.4 E1 No tsunami alerts
05:58 JST 04 May 2011 Fukushima-ken Oki 30 km 3.7 37.4 N 141.3 E1 No tsunami alerts
06:28 JST 04 May 2011 Ibaraki-ken Nambu 50 km 3.6 36.2 N 139.9 E1 No tsunami alerts
07:01 JST 04 May 2011 Miyagi-ken Oki 40 km 4.2 38.4 N 142.0 E2 No tsunami alerts
08:06 JST 04 May 2011 Akita-ken Nairiku-nambu 20 km 2.6 39.5 N 140.4 E2 No tsunami alerts
10:04 JST 04 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
10:43 JST 04 May 2011 Fukushima-ken Oki 50 km 3.8 37.1 N 141.3 E2 No tsunami alerts
11:38 JST 04 May 2011 Fukushima-ken Aizu 10 km 2.4 37.7 N 139.9 E1 No tsunami alerts
12:47 JST 04 May 2011 Chiba-ken Hokutobu 50 km 3.5 35.9 N 140.6 E1 No tsunami alerts
13:52 JST 04 May 2011 Ibaraki-ken Oki 10 km 3.8 36.0 N 141.2 E1 No tsunami alerts
14:41 JST 04 May 2011 Aomori-ken Sampachi-Kamikita-chiho 90 km 4.5 40.8 N 141.4 E3 No tsunami alerts
15:18 JST 04 May 2011 Fukushima-ken Hamadori 20 km 2.7 37.0 N 140.6 E2 No tsunami alerts
15:59 JST 04 May 2011 Miyagi-ken Oki 40 km 3.8 38.7 N 142.2 E1 No tsunami alerts
16:13 JST 04 May 2011 Saitama-ken Chichibu-chiho 10 km 3.1 35.9 N 139.0 E2 No tsunami alerts
16:38 JST 04 May 2011 Ibaraki-ken Hokubu very shallow 3.2 36.7 N 140.6 E2 No tsunami alerts
16:48 JST 04 May 2011 Ibaraki-ken Oki 30 km 3.7 36.5 N 141.1 E1 No tsunami alerts
17:24 JST 04 May 2011 Fukushima-ken Oki 10 km 5.2 37.1 N 143.1 E1 No tsunami alerts
17:38 JST 04 May 2011 Ibaraki-ken Hokubu 20 km 3.4 36.8 N 140.6 E1 No tsunami alerts
17:40 JST 04 May 2011 Fukushima-ken Oki 30 km 3.2 37.2 N 141.3 E1 No tsunami alerts
17:47 JST 04 May 2011 Ibaraki-ken Hokubu 20 km 3.9 36.8 N 140.6 E3 No tsunami alerts
18:32 JST 04 May 2011 Fukushima-ken Hamadori very shallow 3.3 37.1 N 140.8 E1 No tsunami alerts
20:02 JST 04 May 2011 Iwate-ken Oki 30 km 4.0 39.4 N 142.6 E1 No tsunami alerts
20:43 JST 04 May 2011 Ibaraki-ken Oki 40 km 4.3 36.3 N 141.2 E2 No tsunami alerts
21:15 JST 04 May 2011 Tochigi-ken Hokubu 10 km 2.4 36.9 N 139.4 E1 No tsunami alerts
22:18 JST 04 May 2011 Miyagi-ken Oki 50 km 4.1 38.9 N 141.9 E2 No tsunami alerts
00:09 JST 05 May 2011 Ibaraki-ken Hokubu 20 km 4.2 36.8 N 140.6 EUnknNo tsunami alerts
01:29 JST 05 May 2011 Fukushima-ken Oki 30 km 4.4 37.8 N 141.9 E2 No tsunami alerts
01:34 JST 05 May 2011 Fukushima-ken Nakadori 20 km 2.7 36.9 N 140.4 E2 No tsunami alerts
01:36 JST 05 May 2011 Wakayama-ken Hokubu 10 km 2.4 34.1 N 135.2 E1 No tsunami alerts
02:36 JST 05 May 2011 Miyagi-ken Oki 40 km 4.1 38.2 N 142.2 E1 No tsunami alerts
03:22 JST 05 May 2011 Shizuoka-ken Chubu 20 km 3.6 35.2 N 138.4 E3 No tsunami alerts
04:05 JST 05 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
04:13 JST 05 May 2011 Ibaraki-ken Oki 40 km 3.7 36.6 N 141.3 E1 No tsunami alerts
05:53 JST 05 May 2011 Fukushima-ken Oki 40 km 3.4 37.1 N 141.3 E1 No tsunami alerts
06:13 JST 05 May 2011 Miyagi-ken Oki 50 km 4.0 38.2 N 141.7 E1 No tsunami alerts
06:39 JST 05 May 2011 Fukushima-ken Oki 10 km 4.4 37.2 N 142.4 E1 No tsunami alerts
06:53 JST 05 May 2011 Fukushima-ken Oki 50 km 4.1 37.7 N 141.6 E1 No tsunami alerts
07:53 JST 05 May 2011 Gumma-ken Hokubu 10 km 2.3 36.8 N 139.3 E1 No tsunami alerts
08:18 JST 05 May 2011 Iwate-ken Oki 20 km 3.0 39.6 N 142.4 E2 No tsunami alerts
10:39 JST 05 May 2011 Fukushima-ken Hamadori 10 km 3.5 37.2 N 141.0 E2 No tsunami alerts
12:14 JST 05 May 2011 Niigata-ken Chuetsu-chiho 10 km 2.4 37.0 N 138.7 E2 No tsunami alerts
12:55 JST 05 May 2011 Fukushima-ken Oki 40 km 3.8 36.9 N 141.2 E1 No tsunami alerts
13:22 JST 05 May 2011 Ibaraki-ken Oki 50 km 3.4 36.6 N 141.1 E1 No tsunami alerts
13:29 JST 05 May 2011 Ibaraki-ken Oki 30 km 3.7 36.0 N 140.8 E1 No tsunami alerts
14:06 JST 05 May 2011 Chiba-ken Toho-oki 50 km 4.1 35.7 N 140.9 E2 No tsunami alerts
14:12 JST 05 May 2011 Yamanashi-ken Chu-seibu 10 km 2.7 35.7 N 138.3 E1 No tsunami alerts
14:14 JST 05 May 2011 Yamanashi-ken Chu-seibu 10 km 2.7 35.7 N 138.3 E1 No tsunami alerts
15:43 JST 05 May 2011 Fukushima-ken Oki 50 km 3.2 37.5 N 141.5 E1 No tsunami alerts
17:43 JST 05 May 2011 Miyagi-ken Chubu 10 km 2.8 38.3 N 140.7 E1 No tsunami alerts
17:57 JST 05 May 2011 Iwate-ken Oki 30 km 3.9 39.2 N 142.4 E1 No tsunami alerts
18:19 JST 05 May 2011 Gifu-ken Hida-chiho very shallow 2.4 36.1 N 137.4 E1 No tsunami alerts
18:20 JST 05 May 2011 Iwate-ken Oki 30 km 4.2 39.1 N 142.5 E1 No tsunami alerts
19:20 JST 05 May 2011 Ibaraki-ken Hokubu 20 km 4.4 36.8 N 140.7 E3 No tsunami alerts
20:02 JST 05 May 2011 Fukushima-ken Oki 50 km 4.1 37.0 N 141.1 E2 No tsunami alerts
22:23 JST 05 May 2011 Miyagi-ken Oki 50 km 3.9 38.9 N 142.0 E2 No tsunami alerts
23:33 JST 05 May 2011 Fukushima-ken Oki 30 km 4.0 37.2 N 141.2 E2 No tsunami alerts
23:58 JST 05 May 2011 Sanriku Oki 10 km 5.9 38.3 N 143.9 E3 No tsunami alerts
00:48 JST 06 May 2011 Miyagi-ken Oki 40 km 3.9 38.4 N 142.2 E1 No tsunami alerts
01:47 JST 06 May 2011 Aichi-ken Seibu 40 km 3.0 35.2 N 137.4 E1 No tsunami alerts
02:04 JST 06 May 2011 Fukushima-ken Hamadori 10 km 5.3 37.1 N 140.9 E5 lower No tsunami alerts
02:23 JST 06 May 2011 Fukushima-ken Hamadori 10 km 2.4 37.1 N 140.8 E1 No tsunami alerts
02:27 JST 06 May 2011 Ibaraki-ken Nambu 50 km 2.9 36.2 N 140.1 E1 No tsunami alerts
02:35 JST 06 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E2 No tsunami alerts
02:45 JST 06 May 2011 Fukushima-ken Hamadori very shallow 2.9 37.1 N 140.8 E1 No tsunami alerts
03:06 JST 06 May 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E3 No tsunami alerts
03:32 JST 06 May 2011 Fukushima-ken Aizu 10 km 3.4 37.7 N 139.9 E3 No tsunami alerts
03:45 JST 06 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
04:23 JST 06 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.8 E1 No tsunami alerts
05:36 JST 06 May 2011 Fukushima-ken Nakadori 20 km 3.2 37.1 N 140.6 E1 No tsunami alerts
06:55 JST 06 May 2011 Fukushima-ken Oki 30 km 4.0 37.4 N 141.3 E2 No tsunami alerts
07:37 JST 06 May 2011 Fukushima-ken Nakadori 10 km 4.1 37.0 N 140.5 E3 No tsunami alerts
07:47 JST 06 May 2011 Ibaraki-ken Oki 10 km 4.5 36.6 N 141.7 E2 No tsunami alerts
09:15 JST 06 May 2011 Chiba-ken Toho-oki 30 km 3.4 35.5 N 141.1 E1 No tsunami alerts
12:21 JST 06 May 2011 Fukushima-ken Nakadori 20 km 3.0 37.1 N 140.6 E1 No tsunami alerts
13:23 JST 06 May 2011 Miyagi-ken Oki 40 km 3.6 38.6 N 142.1 E1 No tsunami alerts
13:41 JST 06 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
14:15 JST 06 May 2011 Iwate-ken Oki 40 km 4.8 39.0 N 142.3 E3 No tsunami alerts
14:45 JST 06 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E1 No tsunami alerts
14:47 JST 06 May 2011 Hokkaido Nansei-oki 10 km 3.2 41.5 N 139.9 E1 No tsunami alerts
15:07 JST 06 May 2011 Tochigi-ken Hokubu 10 km 2.7 36.7 N 139.4 E1 No tsunami alerts
15:29 JST 06 May 2011 Miyagi-ken Oki 40 km 4.0 37.9 N 142.0 E1 No tsunami alerts
15:44 JST 06 May 2011 Miyagi-ken Oki 40 km 4.1 38.4 N 142.2 E2 No tsunami alerts
16:56 JST 06 May 2011 Miyagi-ken Oki 50 km 4.2 38.3 N 141.8 E3 No tsunami alerts
17:31 JST 06 May 2011 Iwate-ken Oki 40 km 3.8 39.8 N 142.3 E1 No tsunami alerts
17:42 JST 06 May 2011 Niijima-Kozushima Kinkai very shallow 1.6 34.4 N 139.4 E1 No tsunami alerts
18:00 JST 06 May 2011 Sado Fukin 10 km 4.2 37.7 N 138.1 E3 No tsunami alerts
18:54 JST 06 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E1 No tsunami alerts
19:35 JST 06 May 2011 Fukushima-ken Hamadori 10 km 2.5 37.1 N 140.8 E1 No tsunami alerts
20:26 JST 06 May 2011 Miyagi-ken Oki 50 km 3.7 38.2 N 141.7 E1 No tsunami alerts
20:52 JST 06 May 2011 Akita-ken Nairiku-nambu 20 km 3.5 39.5 N 140.4 E3 No tsunami alerts
21:13 JST 06 May 2011 Tokara-retto Kinkai 30 km 3.5 29.1 N 129.3 E1 No tsunami alerts
23:15 JST 06 May 2011 Fukushima-ken Hamadori very shallow 3.9 36.9 N 140.7 E2 No tsunami alerts
03:50 JST 07 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
04:17 JST 07 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.8 33.0 N 130.7 E1 No tsunami alerts
06:58 JST 07 May 2011 Nemuro-hanto Nanto-oki 50 km 3.3 43.2 N 146.3 E1 No tsunami alerts
08:43 JST 07 May 2011 Iwate-ken Oki 40 km 4.1 39.3 N 142.4 E1 No tsunami alerts
09:37 JST 07 May 2011 Kushiro-chiho Chunambu 120 km 3.9 42.9 N 143.8 E1 No tsunami alerts
10:12 JST 07 May 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E2 No tsunami alerts
12:21 JST 07 May 2011 Amami-oshima Kinkai 10 km 4.0 28.7 N 129.6 E1 No tsunami alerts
13:35 JST 07 May 2011 Fukushima-ken Aizu 10 km 4.6 37.7 N 139.9 E4 No tsunami alerts
13:40 JST 07 May 2011 Fukushima-ken Hamadori very shallow 2.8 37.2 N 140.7 E1 No tsunami alerts
14:16 JST 07 May 2011 Niigata-ken Chuetsu-chiho 10 km 3.8 36.8 N 138.7 E2 No tsunami alerts
14:54 JST 07 May 2011 Miyagi-ken Oki 50 km 3.5 38.5 N 141.8 E1 No tsunami alerts
15:16 JST 07 May 2011 Gifu-ken Hida-chiho very shallow 2.6 36.1 N 137.4 E1 No tsunami alerts
15:21 JST 07 May 2011 Fukushima-ken Oki 40 km 4.0 37.7 N 141.8 E1 No tsunami alerts
20:24 JST 07 May 2011 Ibaraki-ken Oki 10 km 4.3 36.7 N 141.2 E2 No tsunami alerts
20:32 JST 07 May 2011 Miyagi-ken Oki 60 km 3.7 38.1 N 141.6 E1 No tsunami alerts
21:37 JST 07 May 2011 Ibaraki-ken Oki 50 km 2.8 36.4 N 140.7 E1 No tsunami alerts
21:47 JST 07 May 2011 Kii-suido 40 km 4.1 33.9 N 134.7 E3 No tsunami alerts
21:47 JST 07 May 2011 Kii-suido 40 km 4.1 33.9 N 134.7 E3 Intensity correction
22:00 JST 07 May 2011 Kii-suido 40 km 3.6 33.8 N 134.7 E2 No tsunami alerts
23:25 JST 07 May 2011 Miyagi-ken Oki 40 km 4.1 38.4 N 142.0 E2 No tsunami alerts
23:31 JST 07 May 2011 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E2 No tsunami alerts
02:11 JST 08 May 2011 Niigata-ken Chuetsu-chiho very shallow 1.6 37.0 N 138.7 E1 No tsunami alerts
02:17 JST 08 May 2011 Ibaraki-ken Oki 40 km 3.8 36.3 N 141.0 E1 No tsunami alerts
03:01 JST 08 May 2011 Fukushima-ken Aizu very shallow 2.6 37.0 N 139.4 E1 No tsunami alerts
05:03 JST 08 May 2011 Miyagi-ken Oki 80 km 4.1 38.8 N 141.7 E2 No tsunami alerts
05:52 JST 08 May 2011 Iwate-ken Oki 40 km 5.7 40.2 N 142.4 E4 No tsunami alerts
06:22 JST 08 May 2011 Chiba-ken Toho-oki 10 km 3.6 35.7 N 141.0 E1 No tsunami alerts
06:24 JST 08 May 2011 Fukushima-ken Oki 40 km 4.2 37.3 N 141.6 E2 No tsunami alerts
07:11 JST 08 May 2011 Fukushima-ken Hamadori 10 km 4.5 37.1 N 140.8 EUnknNo tsunami alerts
07:32 JST 08 May 2011 Ibaraki-ken Oki 50 km 3.2 36.7 N 141.0 E1 No tsunami alerts
08:18 JST 08 May 2011 Fukushima-ken Oki 10 km 4.6 37.4 N 142.7 E1 No tsunami alerts
08:48 JST 08 May 2011 Iwate-ken Oki 40 km 3.5 39.3 N 142.3 E1 No tsunami alerts
09:23 JST 08 May 2011 Ibaraki-ken Oki 30 km 3.4 36.4 N 140.9 E1 No tsunami alerts
09:46 JST 08 May 2011 Fukushima-ken Hamadori 20 km 3.5 36.9 N 140.7 E1 No tsunami alerts
09:55 JST 08 May 2011 Ibaraki-ken Hokubu 50 km 2.8 36.4 N 140.6 E1 No tsunami alerts
10:18 JST 08 May 2011 Miyagi-ken Chubu 10 km 2.1 38.3 N 140.7 E1 No tsunami alerts
11:56 JST 08 May 2011 Nagano-ken Nambu 10 km 2.9 35.9 N 137.6 E2 No tsunami alerts
12:45 JST 08 May 2011 Chiba-ken Toho-oki 20 km 3.3 35.7 N 140.8 E1 No tsunami alerts
13:13 JST 08 May 2011 Fukushima-ken Oki 30 km 3.6 37.4 N 141.3 E2 No tsunami alerts
13:24 JST 08 May 2011 Nagano-ken Hokubu 20 km 2.9 36.8 N 138.6 E1 No tsunami alerts
13:36 JST 08 May 2011 Fukushima-ken Hamadori 20 km 2.0 37.1 N 140.8 E1 No tsunami alerts
13:53 JST 08 May 2011 Fukushima-ken Oki 50 km 4.3 37.0 N 141.1 E3 No tsunami alerts
14:01 JST 08 May 2011 Fukushima-ken Hamadori 20 km 3.6 36.9 N 140.8 E2 No tsunami alerts
15:23 JST 08 May 2011 Fukushima-ken Hamadori 20 km 3.1 36.9 N 140.7 E1 No tsunami alerts
19:43 JST 08 May 2011 Fukushima-ken Oki 50 km 4.8 37.6 N 141.6 E3 No tsunami alerts
20:21 JST 08 May 2011 Miyagi-ken Oki 30 km 4.2 38.8 N 142.4 E1 No tsunami alerts
20:49 JST 08 May 2011 Miyagi-ken Oki 40 km 3.8 38.3 N 141.8 E2 No tsunami alerts
22:28 JST 08 May 2011 Miyagi-ken Oki 30 km 4.3 38.5 N 142.5 E1 No tsunami alerts
23:12 JST 08 May 2011 Akita-ken Nairiku-nambu 10 km 2.4 39.6 N 140.5 E1 No tsunami alerts
00:20 JST 09 May 2011 Fukushima-ken Hamadori 10 km 4.2 37.0 N 140.8 E2 No tsunami alerts
02:15 JST 09 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E2 No tsunami alerts
02:32 JST 09 May 2011 Tanegashima Kinkai 20 km 3.5 30.1 N 130.9 E1 No tsunami alerts
03:08 JST 09 May 2011 Fukushima-ken Hamadori 20 km 2.9 37.0 N 140.6 E1 No tsunami alerts
03:43 JST 09 May 2011 Fukushima-ken Oki 20 km 3.3 37.8 N 141.1 E1 No tsunami alerts
04:23 JST 09 May 2011 Miyagi-ken Oki 50 km 4.3 38.4 N 142.0 E2 No tsunami alerts
04:59 JST 09 May 2011 Gifu-ken Hida-chiho 10 km 3.0 36.0 N 137.3 E2 No tsunami alerts
06:28 JST 09 May 2011 Ibaraki-ken Oki 50 km 3.4 36.3 N 141.0 E2 No tsunami alerts
07:24 JST 09 May 2011 Fukushima-ken Hamadori 10 km 3.5 37.2 N 141.0 E1 No tsunami alerts
08:04 JST 09 May 2011 Fukushima-ken Hamadori 10 km 3.6 36.9 N 140.7 E2 No tsunami alerts
08:44 JST 09 May 2011 Fukushima-ken Nakadori 10 km 2.8 37.1 N 140.6 E2 No tsunami alerts
08:54 JST 09 May 2011 Tokara-retto Kinkai 30 km 3.7 29.1 N 129.4 E1 No tsunami alerts
09:01 JST 09 May 2011 Ibaraki-ken Hokubu 10 km 3.9 36.8 N 140.6 E2 No tsunami alerts
09:41 JST 09 May 2011 Fukushima-ken Oki 30 km 3.9 36.9 N 141.6 E1 No tsunami alerts
10:07 JST 09 May 2011 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.6 E1 No tsunami alerts
11:10 JST 09 May 2011 Miyagi-ken Oki 70 km 3.6 38.3 N 141.9 E1 No tsunami alerts
11:19 JST 09 May 2011 Ibaraki-ken Oki 40 km 3.8 36.4 N 141.0 E1 No tsunami alerts
11:26 JST 09 May 2011 Fukushima-ken Oki 30 km 4.4 36.9 N 141.6 E2 No tsunami alerts
12:00 JST 09 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
12:10 JST 09 May 2011 Fukushima-ken Hamadori very shallow 3.1 37.1 N 140.9 E1 No tsunami alerts
12:27 JST 09 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.8 E1 No tsunami alerts
13:56 JST 09 May 2011 Fukushima-ken Nakadori 10 km 2.9 37.1 N 140.6 E1 No tsunami alerts
15:58 JST 09 May 2011 Fukushima-ken Oki 30 km 3.8 37.3 N 141.7 E1 No tsunami alerts
18:09 JST 09 May 2011 Ibaraki-ken Oki 20 km 3.6 35.9 N 140.9 E1 No tsunami alerts
18:46 JST 09 May 2011 Chiba-ken Toho-oki 30 km 2.8 35.7 N 140.9 E1 No tsunami alerts
19:53 JST 09 May 2011 Ibaraki-ken Oki 50 km 4.2 36.6 N 140.9 E3 No tsunami alerts
21:08 JST 09 May 2011 Ibaraki-ken Oki 20 km 4.3 36.5 N 141.1 E2 No tsunami alerts
21:26 JST 09 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
21:37 JST 09 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.8 E1 No tsunami alerts
21:38 JST 09 May 2011 Nagano-ken Nambu 10 km 2.4 36.0 N 137.6 E1 No tsunami alerts
22:35 JST 09 May 2011 Ibaraki-ken Oki 30 km 3.6 36.6 N 140.9 E1 No tsunami alerts
22:55 JST 09 May 2011 Chiba-ken Hokuseibu 80 km 3.9 35.7 N 140.2 E1 No tsunami alerts
00:38 JST 10 May 2011 Niigata-ken Chuetsu-chiho 20 km 2.7 37.0 N 138.7 E2 No tsunami alerts
00:45 JST 10 May 2011 Iwate-ken Nairiku-nambu 10 km 2.9 39.4 N 141.3 E2 No tsunami alerts
01:33 JST 10 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
01:35 JST 10 May 2011 Miyagi-ken Oki 60 km 3.3 38.3 N 141.9 E1 No tsunami alerts
04:35 JST 10 May 2011 Fukushima-ken Oki 50 km 3.3 37.3 N 141.3 E1 No tsunami alerts
04:36 JST 10 May 2011 Chiba-ken Toho-oki 10 km 3.2 35.8 N 141.1 E1 No tsunami alerts
05:16 JST 10 May 2011 Sanriku Oki 10 km 5.5 37.9 N 143.5 E2 No tsunami alerts
06:39 JST 10 May 2011 Fukushima-ken Oki 50 km 2.9 37.8 N 141.7 E1 No tsunami alerts
08:18 JST 10 May 2011 Aomori-ken Sampachi-Kamikita-chiho 80 km 3.2 40.4 N 141.5 E1 No tsunami alerts
08:38 JST 10 May 2011 Ibaraki-ken Hokubu 10 km 4.4 36.7 N 140.7 E4 No tsunami alerts
08:52 JST 10 May 2011 Ibaraki-ken Oki 30 km 4.0 36.3 N 141.1 E2 No tsunami alerts
08:58 JST 10 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.6 E2 No tsunami alerts
10:35 JST 10 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.6 E2 No tsunami alerts
10:56 JST 10 May 2011 Iwate-ken Oki 40 km 3.8 39.0 N 142.5 E1 No tsunami alerts
11:52 JST 10 May 2011 Miyagi-ken Oki 40 km 3.8 38.1 N 142.1 E1 No tsunami alerts
13:02 JST 10 May 2011 Chiba-ken Hokutobu 50 km 3.2 35.9 N 140.5 E1 No tsunami alerts
13:53 JST 10 May 2011 Gifu-ken Mino-chuseibu very shallow 2.8 35.8 N 136.9 E1 No tsunami alerts
14:22 JST 10 May 2011 Chiba-ken Toho-oki very shallow 3.5 35.8 N 141.0 E1 No tsunami alerts
14:40 JST 10 May 2011 Fukushima-ken Oki 40 km 4.0 37.6 N 141.5 E1 No tsunami alerts
14:41 JST 10 May 2011 Ibaraki-ken Oki 50 km 3.1 36.8 N 141.0 E1 No tsunami alerts
15:35 JST 10 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
16:16 JST 10 May 2011 Fukushima-ken Oki 10 km 4.9 37.4 N 143.5 E1 No tsunami alerts
17:30 JST 10 May 2011 Sanriku Oki 10 km 5.0 37.8 N 143.6 E1 No tsunami alerts
18:02 JST 10 May 2011 Miyazaki-ken Hokubu-heiyabu 60 km 3.2 32.2 N 131.3 E2 No tsunami alerts
19:14 JST 10 May 2011 Ibaraki-ken Oki 10 km 5.4 36.3 N 142.0 E3 No tsunami alerts
22:09 JST 10 May 2011 Wakayama-ken Hokubu very shallow 3.4 34.2 N 135.2 E2 No tsunami alerts
22:13 JST 10 May 2011 Chiba-ken Toho-oki 10 km 3.8 35.6 N 141.1 E1 No tsunami alerts
22:26 JST 10 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.8 E2 No tsunami alerts
23:01 JST 10 May 2011 Wakayama-ken Hokubu very shallow 4.1 34.2 N 135.2 E4 No tsunami alerts
23:12 JST 10 May 2011 Wakayama-ken Hokubu 20 km 2.1 34.2 N 135.2 E2 No tsunami alerts
23:14 JST 10 May 2011 Wakayama-ken Hokubu very shallow 2.9 34.2 N 135.2 E2 No tsunami alerts
23:35 JST 10 May 2011 Miyagi-ken Oki 50 km 4.1 38.9 N 142.0 E1 No tsunami alerts
00:13 JST 11 May 2011 Fukushima-ken Aizu 10 km 3.1 37.1 N 139.4 E1 No tsunami alerts
00:22 JST 11 May 2011 Ibaraki-ken Oki 50 km 3.7 36.8 N 140.9 E2 No tsunami alerts
01:14 JST 11 May 2011 Fukushima-ken Oki 20 km 3.6 37.1 N 141.4 E1 No tsunami alerts
01:42 JST 11 May 2011 Ibaraki-ken Oki 10 km 2.9 36.6 N 140.7 E2 No tsunami alerts
01:52 JST 11 May 2011 Miyagi-ken Oki 40 km 3.6 38.9 N 142.4 E1 No tsunami alerts
02:02 JST 11 May 2011 Chiba-ken Toho-oki 30 km 4.3 35.7 N 141.0 E2 No tsunami alerts
03:09 JST 11 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.8 E2 No tsunami alerts
03:24 JST 11 May 2011 Miyagi-ken Oki 50 km 4.3 38.3 N 141.9 E3 No tsunami alerts
04:22 JST 11 May 2011 Chiba-ken Toho-oki very shallow 4.3 35.8 N 141.0 E2 No tsunami alerts
04:58 JST 11 May 2011 Miyagi-ken Oki 50 km 4.0 38.9 N 141.9 E2 No tsunami alerts
05:08 JST 11 May 2011 Chiba-ken Hokuseibu 80 km 3.3 35.6 N 140.1 E1 No tsunami alerts
05:24 JST 11 May 2011 Chiba-ken Toho-oki 20 km 4.7 35.8 N 141.1 E3 No tsunami alerts
07:15 JST 11 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.0 N 140.7 E2 No tsunami alerts
08:13 JST 11 May 2011 Chiba-ken Toho-oki 10 km 3.4 35.8 N 141.0 E1 No tsunami alerts
08:26 JST 11 May 2011 Sanriku Oki 10 km 5.1 38.5 N 144.5 E1 No tsunami alerts
09:21 JST 11 May 2011 Wakayama-ken Hokubu very shallow 2.0 34.2 N 135.2 E1 No tsunami alerts
09:35 JST 11 May 2011 Iwate-ken Oki 30 km 3.8 39.1 N 142.4 E1 No tsunami alerts
09:50 JST 11 May 2011 Miyagi-ken Oki 50 km 4.0 38.2 N 141.8 E2 No tsunami alerts
10:20 JST 11 May 2011 Sanriku Oki 10 km 5.0 37.9 N 143.5 E1 No tsunami alerts
11:00 JST 12 May 2011 Fukushima-ken Hamadori very shallow 3.6 37.1 N 140.7 E3 No tsunami alerts
11:09 JST 11 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.8 E1 No tsunami alerts
11:00 JST 11 May 2011 Fukushima-ken Hamadori very shallow 3.6 37.1 N 140.7 E3 No tsunami alerts
13:51 JST 11 May 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E2 No tsunami alerts
14:22 JST 11 May 2011 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.7 E1 No tsunami alerts
14:55 JST 11 May 2011 Niijima-Kozushima Kinkai 10 km 1.9 34.3 N 139.3 E1 No tsunami alerts
16:11 JST 11 May 2011 Miyagi-ken Oki 40 km 3.6 38.5 N 142.1 E1 No tsunami alerts
16:12 JST 11 May 2011 Ibaraki-ken Hokubu 60 km 3.0 36.4 N 140.5 E1 No tsunami alerts
16:12 JST 11 May 2011 Ibaraki-ken Hokubu 60 km 3.0 36.4 N 140.5 E1 Intensity correction
17:20 JST 11 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
19:23 JST 11 May 2011 Fukushima-ken Nakadori 20 km 3.6 37.1 N 140.6 E2 No tsunami alerts
19:44 JST 11 May 2011 Miyagi-ken Oki 30 km 4.0 38.3 N 142.3 E1 No tsunami alerts
19:53 JST 11 May 2011 Iwate-ken Oki 40 km 3.8 40.3 N 142.2 E1 No tsunami alerts
20:52 JST 11 May 2011 Niigata-ken Chuetsu-chiho 10 km 3.0 37.0 N 138.6 E2 No tsunami alerts
21:16 JST 11 May 2011 Ibaraki-ken Oki 30 km 3.7 35.9 N 141.0 E2 No tsunami alerts
21:19 JST 11 May 2011 Aomori-ken Sampachi-Kamikita-chiho 10 km 3.2 40.6 N 141.1 E2 No tsunami alerts
21:22 JST 11 May 2011 Ibaraki-ken Oki very shallow 3.4 35.9 N 140.9 E1 No tsunami alerts
21:57 JST 11 May 2011 Fukushima-ken Oki 30 km 3.1 37.2 N 141.2 E1 No tsunami alerts
22:03 JST 11 May 2011 Miyagi-ken Oki 40 km 3.6 38.5 N 142.0 E1 No tsunami alerts
22:10 JST 11 May 2011 Miyagi-ken Oki 50 km 3.2 38.7 N 141.8 E1 No tsunami alerts
23:08 JST 11 May 2011 Fukushima-ken Nakadori 20 km 2.7 37.0 N 140.5 E2 No tsunami alerts
00:17 JST 12 May 2011 Miyagi-ken Oki 50 km 3.5 38.8 N 142.1 E1 No tsunami alerts
01:04 JST 12 May 2011 Fukushima-ken Hamadori very shallow 2.3 37.1 N 140.8 E1 No tsunami alerts
01:40 JST 12 May 2011 Fukushima-ken Oki 50 km 4.1 37.6 N 141.6 E2 No tsunami alerts
02:46 JST 12 May 2011 Wakayama-ken Hokubu very shallow 3.5 34.2 N 135.2 E3 No tsunami alerts
03:20 JST 12 May 2011 Chiba-ken Hokutobu 40 km 3.8 35.7 N 140.6 E2 No tsunami alerts
03:21 JST 12 May 2011 Miyagi-ken Oki 50 km 4.7 38.5 N 141.8 EUnknNo tsunami alerts
04:21 JST 12 May 2011 Gumma-ken Nambu 130 km 4.0 36.1 N 138.9 E2 No tsunami alerts
05:08 JST 12 May 2011 Fukushima-ken Oki 30 km 3.6 37.2 N 141.3 E1 No tsunami alerts
05:47 JST 12 May 2011 Iwate-ken Oki 50 km 3.3 39.6 N 142.1 E1 No tsunami alerts
07:13 JST 12 May 2011 Kushiro Oki 30 km 4.0 42.3 N 144.8 E1 No tsunami alerts
10:47 JST 12 May 2011 Ibaraki-ken Oki 40 km 3.7 36.3 N 140.9 E1 No tsunami alerts
10:50 JST 12 May 2011 Ibaraki-ken Oki 40 km 3.5 36.2 N 141.0 E1 No tsunami alerts
14:57 JST 12 May 2011 Fukushima-ken Aizu 10 km 3.1 37.7 N 139.9 E2 No tsunami alerts
16:06 JST 12 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.7 E1 No tsunami alerts
16:54 JST 12 May 2011 Ibaraki-ken Nambu 50 km 3.1 36.1 N 139.9 E1 No tsunami alerts
18:51 JST 12 May 2011 Fukushima-ken Hamadori 10 km 3.8 37.0 N 140.8 E2 No tsunami alerts
19:18 JST 12 May 2011 Wakayama-ken Hokubu 10 km 3.2 34.1 N 135.3 E1 No tsunami alerts
19:26 JST 12 May 2011 Kushiro Oki 60 km 3.7 42.6 N 145.6 E1 No tsunami alerts
21:41 JST 12 May 2011 Miyagi-ken Oki 70 km 3.9 38.4 N 141.9 E2 No tsunami alerts
00:26 JST 13 May 2011 Ibaraki-ken Oki 30 km 4.3 36.3 N 141.1 E2 No tsunami alerts
00:48 JST 13 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E2 No tsunami alerts
00:56 JST 13 May 2011 Fukushima-ken Hamadori very shallow 2.3 37.1 N 140.9 E1 No tsunami alerts
01:21 JST 13 May 2011 Iwate-ken Oki 50 km 4.7 39.7 N 142.1 E3 No tsunami alerts
04:29 JST 13 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
04:52 JST 13 May 2011 Chiba-ken Toho-oki 50 km 3.6 35.7 N 140.8 E1 No tsunami alerts
05:03 JST 13 May 2011 Miyagi-ken Oki 50 km 3.9 38.8 N 142.1 E1 No tsunami alerts
05:24 JST 13 May 2011 Miyagi-ken Oki 50 km 3.8 38.6 N 141.9 E1 No tsunami alerts
05:52 JST 13 May 2011 Chiba-ken Hokuseibu 80 km 4.1 35.6 N 140.1 E2 No tsunami alerts
06:30 JST 13 May 2011 Ibaraki-ken Nambu 50 km 2.8 36.0 N 140.3 E1 No tsunami alerts
07:36 JST 13 May 2011 Ibaraki-ken Hokubu 10 km 3.8 36.6 N 140.6 E3 No tsunami alerts
08:29 JST 13 May 2011 Niigata-ken Chuetsu-chiho very shallow 1.6 37.0 N 138.7 E1 No tsunami alerts
08:36 JST 13 May 2011 Ibaraki-ken Nambu 50 km 3.9 36.2 N 140.1 E2 No tsunami alerts
10:17 JST 13 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E2 No tsunami alerts
11:29 JST 13 May 2011 Miyagi-ken Oki 40 km 3.9 38.6 N 142.2 E1 No tsunami alerts
11:45 JST 13 May 2011 Fukushima-ken Oki 40 km 3.6 37.2 N 141.6 E1 No tsunami alerts
12:34 JST 13 May 2011 Nagano-ken Nambu very shallow 2.6 35.9 N 137.7 E1 No tsunami alerts
12:47 JST 13 May 2011 Fukushima-ken Oki 30 km 4.1 37.6 N 141.9 E1 No tsunami alerts
13:03 JST 13 May 2011 Ibaraki-ken Hokubu 10 km 3.1 36.6 N 140.6 E1 No tsunami alerts
13:48 JST 13 May 2011 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.7 E1 No tsunami alerts
14:59 JST 13 May 2011 Fukushima-ken Nakadori 20 km 3.3 37.1 N 140.6 E1 No tsunami alerts
16:49 JST 13 May 2011 Fukushima-ken Oki 40 km 4.3 37.8 N 141.8 E1 No tsunami alerts
17:19 JST 13 May 2011 Fukushima-ken Hamadori 10 km 3.7 37.1 N 140.8 E2 No tsunami alerts
17:26 JST 13 May 2011 Fukushima-ken Oki 50 km 4.2 36.9 N 141.1 E2 No tsunami alerts
18:16 JST 13 May 2011 Hidaka-chiho Tobu 10 km 3.0 42.3 N 142.9 E1 No tsunami alerts
21:19 JST 13 May 2011 Chiba-ken Toho-oki 20 km 4.3 35.4 N 141.1 E1 No tsunami alerts
22:15 JST 13 May 2011 Hyogo-ken Nantobu 10 km 2.7 34.8 N 135.4 E1 No tsunami alerts
22:35 JST 13 May 2011 Miyagi-ken Oki 30 km 4.1 37.8 N 142.0 E1 No tsunami alerts
22:51 JST 13 May 2011 Ibaraki-ken Oki 20 km 4.3 35.9 N 141.1 E2 No tsunami alerts
22:54 JST 13 May 2011 Fukushima-ken Hamadori very shallow 3.3 37.0 N 140.8 E1 No tsunami alerts
22:54 JST 13 May 2011 Ibaraki-ken Oki 20 km 4.2 35.9 N 141.1 E2 No tsunami alerts
22:56 JST 13 May 2011 Ibaraki-ken Nambu 20 km 3.2 36.2 N 140.5 E1 No tsunami alerts
23:21 JST 13 May 2011 Fukushima-ken Oki 40 km 3.9 37.6 N 141.8 E1 No tsunami alerts
00:29 JST 14 May 2011 Fukushima-ken Hamadori 10 km 3.5 37.0 N 140.8 E1 No tsunami alerts
01:28 JST 14 May 2011 Ibaraki-ken Hokubu 10 km 4.3 36.7 N 140.6 E3 No tsunami alerts
03:00 JST 14 May 2011 Iwate-ken Oki 30 km 3.8 39.0 N 142.4 E1 No tsunami alerts
03:11 JST 14 May 2011 Ibaraki-ken Hokubu 20 km 3.0 36.8 N 140.6 E1 No tsunami alerts
04:51 JST 14 May 2011 Fukushima-ken Oki 20 km 4.1 37.0 N 141.4 E2 No tsunami alerts
05:17 JST 14 May 2011 Fukushima-ken Oki 40 km 4.4 37.7 N 141.8 E1 No tsunami alerts
05:45 JST 14 May 2011 Fukushima-ken Aizu 10 km 2.9 37.7 N 139.9 E1 No tsunami alerts
06:37 JST 14 May 2011 Gifu-ken Hida-chiho very shallow 2.8 36.1 N 137.5 E1 No tsunami alerts
06:49 JST 14 May 2011 Ibaraki-ken Oki 20 km 4.8 36.0 N 141.2 E3 No tsunami alerts
06:59 JST 14 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
07:06 JST 14 May 2011 Aomori-ken Shimokita-chiho 10 km 2.7 41.2 N 140.9 E1 No tsunami alerts
07:23 JST 14 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.8 N 140.7 E1 No tsunami alerts
08:17 JST 14 May 2011 Miyagi-ken Oki 50 km 3.5 38.5 N 141.7 E1 No tsunami alerts
08:17 JST 14 May 2011 Chiba-ken Toho-oki 40 km 3.0 35.2 N 140.4 E1 No tsunami alerts
08:36 JST 14 May 2011 Fukushima-ken Oki 30 km 5.7 37.3 N 141.7 E4 No tsunami alerts
08:40 JST 14 May 2011 Fukushima-ken Oki 20 km 4.5 37.3 N 141.7 E2 No tsunami alerts
08:43 JST 14 May 2011 Fukushima-ken Aizu 10 km 3.6 37.7 N 139.9 E2 No tsunami alerts
09:25 JST 14 May 2011 Fukushima-ken Oki 40 km 4.3 37.3 N 141.7 E2 No tsunami alerts
10:57 JST 14 May 2011 Miyagi-ken Hokubu 10 km 3.1 38.9 N 140.9 E1 No tsunami alerts
11:07 JST 14 May 2011 Akita-ken Nairiku-nambu 10 km 2.7 39.5 N 140.5 E2 No tsunami alerts
11:37 JST 14 May 2011 Chiba-ken Toho-oki 20 km 3.7 35.4 N 141.0 E1 No tsunami alerts
12:39 JST 14 May 2011 Fukushima-ken Oki 10 km 4.4 37.5 N 141.8 E1 No tsunami alerts
14:17 JST 14 May 2011 Miyagi-ken Oki 40 km 3.7 38.5 N 142.1 E1 No tsunami alerts
14:44 JST 14 May 2011 Fukushima-ken Oki 50 km 3.8 36.9 N 141.1 E1 No tsunami alerts
19:11 JST 14 May 2011 Miyagi-ken Oki 40 km 4.1 38.6 N 142.1 E2 No tsunami alerts
19:53 JST 14 May 2011 Chiba-ken Toho-oki 20 km 3.5 35.7 N 141.1 E1 No tsunami alerts
22:46 JST 14 May 2011 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.7 E2 No tsunami alerts
23:49 JST 14 May 2011 Fukushima-ken Oki 40 km 4.1 37.1 N 141.4 E2 No tsunami alerts
00:01 JST 15 May 2011 Fukushima-ken Oki 20 km 4.6 37.4 N 141.4 E3 No tsunami alerts
00:47 JST 15 May 2011 Fukushima-ken Oki 20 km 3.7 37.1 N 141.3 E1 No tsunami alerts
00:50 JST 15 May 2011 Fukushima-ken Oki 40 km 4.1 37.3 N 141.6 E1 No tsunami alerts
01:45 JST 15 May 2011 Miyagi-ken Oki 40 km 4.0 38.9 N 142.0 E2 No tsunami alerts
03:15 JST 15 May 2011 Akita-ken Nairiku-nambu 20 km 2.5 39.6 N 140.5 E1 No tsunami alerts
03:42 JST 15 May 2011 Ibaraki-ken Oki 20 km 3.9 36.0 N 141.3 E1 No tsunami alerts
04:20 JST 15 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.2 N 140.8 E1 No tsunami alerts
04:30 JST 15 May 2011 Chiba-ken Hokuseibu 90 km 3.3 35.7 N 140.1 E1 No tsunami alerts
05:04 JST 15 May 2011 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E1 No tsunami alerts
05:59 JST 15 May 2011 Wakayama-ken Hokubu 10 km 2.4 34.1 N 135.2 E1 No tsunami alerts
07:30 JST 15 May 2011 Nemuro-hanto Nanto-oki 30 km 5.0 42.8 N 146.4 E3 No tsunami alerts
08:51 JST 15 May 2011 Fukushima-ken Oki 50 km 5.0 37.7 N 141.6 E3 No tsunami alerts
09:51 JST 15 May 2011 Ibaraki-ken Oki 30 km 4.2 36.8 N 141.4 E1 No tsunami alerts
10:24 JST 15 May 2011 Miyagi-ken Oki 50 km 3.2 38.8 N 142.0 E1 No tsunami alerts
13:12 JST 15 May 2011 Miyagi-ken Oki 60 km 3.8 38.1 N 141.8 E2 No tsunami alerts
13:17 JST 15 May 2011 Miyagi-ken Oki 40 km 3.0 38.8 N 142.1 E1 No tsunami alerts
13:25 JST 15 May 2011 Ibaraki-ken Oki 30 km 4.0 36.6 N 141.3 E1 No tsunami alerts
13:32 JST 15 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.7 E1 No tsunami alerts
13:55 JST 15 May 2011 Miyagi-ken Oki 40 km 4.3 38.6 N 142.4 E1 No tsunami alerts
14:19 JST 15 May 2011 Tokachi-chiho Chubu 110 km 3.4 42.7 N 143.0 E2 No tsunami alerts
16:03 JST 15 May 2011 Fukushima-ken Hamadori 10 km 3.7 37.1 N 140.8 E2 No tsunami alerts
16:41 JST 15 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
16:56 JST 15 May 2011 Fukushima-ken Aizu 10 km 3.6 37.7 N 139.9 E3 No tsunami alerts
17:09 JST 15 May 2011 Fukushima-ken Nakadori 20 km 2.8 36.9 N 140.5 E1 No tsunami alerts
18:04 JST 15 May 2011 Miyagi-ken Hokubu 10 km 2.6 38.7 N 141.0 E1 No tsunami alerts
18:56 JST 15 May 2011 Miyagi-ken Oki 50 km 4.1 38.3 N 141.7 E2 No tsunami alerts
19:25 JST 15 May 2011 Fukushima-ken Oki 10 km 5.0 37.1 N 142.5 E2 No tsunami alerts
19:57 JST 15 May 2011 Ibaraki-ken Oki 50 km 3.6 36.6 N 140.9 E1 No tsunami alerts
21:14 JST 15 May 2011 Fukushima-ken Oki 10 km 5.4 37.3 N 142.6 E3 No tsunami alerts
21:14 JST 15 May 2011 Fukushima-ken Oki 10 km 5.4 37.3 N 142.6 E3 Intensity correction
21:33 JST 15 May 2011 Iwate-ken Oki 20 km 4.7 39.8 N 142.8 E2 No tsunami alerts
22:03 JST 15 May 2011 Niigata-ken Chuetsu-chiho 20 km 3.1 37.0 N 138.6 E2 No tsunami alerts
22:48 JST 15 May 2011 Fukushima-ken Oki 10 km 4.8 37.6 N 142.8 E1 No tsunami alerts
22:51 JST 15 May 2011 Fukushima-ken Oki 20 km 3.8 37.4 N 141.4 E2 No tsunami alerts
23:24 JST 15 May 2011 Miyagi-ken Oki 50 km 3.3 38.3 N 141.9 E1 No tsunami alerts
00:34 JST 16 May 2011 Miyagi-ken Oki 30 km 4.1 38.4 N 142.2 E1 No tsunami alerts
00:36 JST 16 May 2011 Fukushima-ken Hamadori 10 km 3.4 36.9 N 140.8 E1 No tsunami alerts
01:58 JST 16 May 2011 Akita-ken Nairiku-nambu 10 km 2.8 39.6 N 140.7 E1 No tsunami alerts
02:51 JST 16 May 2011 Ibaraki-ken Oki 10 km 3.3 36.5 N 141.7 E1 No tsunami alerts
03:45 JST 16 May 2011 Fukushima-ken Nakadori 20 km 2.8 37.0 N 140.3 E2 No tsunami alerts
04:07 JST 16 May 2011 Miyagi-ken Oki 50 km 4.6 38.6 N 141.9 E3 No tsunami alerts
06:58 JST 16 May 2011 Chiba-ken Hokutobu 40 km 4.2 35.9 N 140.6 E2 No tsunami alerts
07:06 JST 16 May 2011 Niigata-ken Chuetsu-chiho 10 km 1.5 37.0 N 138.6 E1 No tsunami alerts
07:23 JST 16 May 2011 Niigata-ken Chuetsu-chiho 10 km 2.0 37.0 N 138.6 E2 No tsunami alerts
08:22 JST 16 May 2011 Niigata-ken Chuetsu-chiho 10 km 1.5 37.0 N 138.6 E1 No tsunami alerts
08:27 JST 16 May 2011 Niigata-ken Chuetsu-chiho 10 km 2.0 37.0 N 138.6 E2 No tsunami alerts
09:26 JST 16 May 2011 Nagano-ken Chubu very shallow 2.4 36.2 N 138.0 E1 No tsunami alerts
10:03 JST 16 May 2011 Chiba-ken Toho-oki 30 km 3.0 35.5 N 140.8 E1 No tsunami alerts
11:01 JST 16 May 2011 Osaka-fu Hokubu 10 km 2.6 34.9 N 135.6 E1 No tsunami alerts
12:20 JST 16 May 2011 Iwate-ken Oki 50 km 3.7 39.1 N 142.1 E2 No tsunami alerts
12:22 JST 16 May 2011 Chiba-ken Toho-oki very shallow 3.7 35.8 N 141.0 E1 No tsunami alerts
13:30 JST 16 May 2011 Niigata-ken Chuetsu-chiho very shallow 2.1 37.0 N 138.7 E1 No tsunami alerts
16:32 JST 16 May 2011 Miyagi-ken Oki 40 km 3.7 38.4 N 142.2 E1 No tsunami alerts
17:30 JST 16 May 2011 Fukushima-ken Oki 40 km 4.0 37.3 N 141.4 E2 No tsunami alerts
18:06 JST 16 May 2011 Fukushima-ken Oki 30 km 4.0 37.3 N 141.5 E2 No tsunami alerts
19:55 JST 16 May 2011 Iwate-ken Oki 30 km 3.9 39.0 N 142.5 E1 No tsunami alerts
23:00 JST 16 May 2011 Fukushima-ken Oki 30 km 3.6 37.3 N 141.4 E1 No tsunami alerts
00:53 JST 17 May 2011 Fukushima-ken Oki 40 km 4.7 37.4 N 141.4 E4 No tsunami alerts
01:03 JST 17 May 2011 Kumamoto-ken Aso-chiho very shallow 2.4 33.0 N 131.1 E1 No tsunami alerts
01:25 JST 17 May 2011 Fukushima-ken Oki 40 km 3.4 37.6 N 141.6 E1 No tsunami alerts
03:05 JST 17 May 2011 Nagano-ken Hokubu very shallow 4.5 36.5 N 137.7 E2 No tsunami alerts
03:12 JST 17 May 2011 Miyagi-ken Oki 10 km 4.1 38.2 N 142.3 E1 No tsunami alerts
04:14 JST 17 May 2011 Ibaraki-ken Nambu 50 km 3.2 36.2 N 140.0 E1 No tsunami alerts
04:37 JST 17 May 2011 Nagano-ken Hokubu 20 km 2.9 37.0 N 138.5 E1 No tsunami alerts
05:31 JST 17 May 2011 Ibaraki-ken Nambu 70 km 3.8 36.0 N 140.1 E1 No tsunami alerts
05:52 JST 17 May 2011 Miyagi-ken Oki 60 km 2.7 38.5 N 141.7 E1 No tsunami alerts
06:14 JST 17 May 2011 Miyagi-ken Oki 50 km 4.2 38.1 N 141.8 E2 No tsunami alerts
06:56 JST 17 May 2011 Akita-ken Nairiku-nambu 20 km 1.6 39.6 N 140.4 E1 No tsunami alerts
07:14 JST 17 May 2011 Urakawa Oki 60 km 4.0 41.6 N 142.1 E2 No tsunami alerts
07:32 JST 17 May 2011 Nagano-ken Hokubu 20 km 2.2 36.9 N 138.6 E2 No tsunami alerts
07:38 JST 17 May 2011 Fukushima-ken Oki 40 km 3.2 37.3 N 141.5 E2 No tsunami alerts
08:14 JST 17 May 2011 Fukushima-ken Oki 30 km 3.9 37.4 N 141.4 E1 No tsunami alerts
09:56 JST 17 May 2011 Ibaraki-ken Oki 20 km 3.4 35.9 N 141.0 E1 No tsunami alerts
10:03 JST 17 May 2011 Fukushima-ken Oki 10 km 4.2 37.8 N 141.1 EUnknNo tsunami alerts
13:54 JST 17 May 2011 Iwate-ken Oki 40 km 4.1 39.3 N 142.3 E2 No tsunami alerts
13:57 JST 17 May 2011 Ibaraki-ken Hokubu 20 km 3.4 36.8 N 140.7 E1 No tsunami alerts
15:04 JST 17 May 2011 Iwate-ken Oki 30 km 4.0 39.1 N 142.4 E1 No tsunami alerts
16:49 JST 17 May 2011 Ibaraki-ken Oki 20 km 3.6 35.9 N 140.9 E2 No tsunami alerts
17:26 JST 17 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.2 N 141.0 E1 No tsunami alerts
17:32 JST 17 May 2011 Tochigi-ken Hokubu 10 km 2.0 36.6 N 139.4 E1 No tsunami alerts
19:40 JST 17 May 2011 Yamanashi-ken Chu-seibu 20 km 2.6 35.4 N 138.5 E2 No tsunami alerts
19:54 JST 17 May 2011 Niigata-ken Chuetsu-chiho very shallow 2.0 37.0 N 138.7 E2 No tsunami alerts
22:41 JST 17 May 2011 Ibaraki-ken Hokubu 50 km 4.0 36.3 N 140.5 E3 No tsunami alerts
23:00 JST 17 May 2011 Niigata-ken Chuetsu-chiho 20 km 2.2 37.0 N 138.6 E1 No tsunami alerts
00:07 JST 18 May 2011 Ibaraki-ken Hokubu 60 km 3.1 36.5 N 140.6 E1 No tsunami alerts
00:23 JST 18 May 2011 Fukushima-ken Hamadori 20 km 3.8 36.9 N 140.7 E1 No tsunami alerts
01:47 JST 18 May 2011 Fukushima-ken Hamadori very shallow 3.1 37.2 N 140.9 E1 No tsunami alerts
03:35 JST 18 May 2011 Iwate-ken Engan-hokubu 60 km 3.5 39.8 N 141.8 E1 No tsunami alerts
04:18 JST 18 May 2011 Fukushima-ken Oki 40 km 3.3 37.1 N 141.2 E1 No tsunami alerts
04:34 JST 18 May 2011 Fukushima-ken Hamadori 20 km 4.0 36.9 N 140.8 E2 No tsunami alerts
07:53 JST 18 May 2011 Ibaraki-ken Oki 40 km 3.6 36.2 N 141.1 E2 No tsunami alerts
08:04 JST 18 May 2011 Chiba-ken Toho-oki 10 km 4.2 35.6 N 141.0 E1 No tsunami alerts
08:36 JST 18 May 2011 Iwate-ken Oki 30 km 4.0 39.2 N 142.4 E1 No tsunami alerts
11:37 JST 18 May 2011 Miyagi-ken Chubu 10 km 3.1 38.3 N 140.7 E1 No tsunami alerts
14:15 JST 18 May 2011 Miyagi-ken Oki 60 km 3.8 38.2 N 141.9 E1 No tsunami alerts
14:20 JST 18 May 2011 Akita-ken Nairiku-nambu 20 km 2.3 39.6 N 140.5 E1 No tsunami alerts
14:26 JST 18 May 2011 Fukushima-ken Oki 10 km 3.5 37.2 N 141.2 E1 No tsunami alerts
15:30 JST 18 May 2011 Fukushima-ken Oki 30 km 3.3 37.4 N 141.3 E1 No tsunami alerts
15:36 JST 18 May 2011 Akita-ken Nairiku-nambu 20 km 2.0 39.6 N 140.5 E1 No tsunami alerts
16:24 JST 18 May 2011 Fukushima-ken Oki 40 km 4.3 37.2 N 141.5 E4 No tsunami alerts
17:18 JST 18 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.7 E1 No tsunami alerts
18:11 JST 18 May 2011 Miyagi-ken Oki 60 km 4.0 38.2 N 141.7 E2 No tsunami alerts
19:21 JST 18 May 2011 Ibaraki-ken Oki very shallow 3.0 36.7 N 140.8 E2 No tsunami alerts
20:15 JST 18 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.2 N 141.0 E1 No tsunami alerts
20:16 JST 18 May 2011 Miyagi-ken Oki 40 km 4.1 38.4 N 142.2 E2 No tsunami alerts
20:48 JST 18 May 2011 Ibaraki-ken Oki 40 km 4.3 36.6 N 141.1 E2 No tsunami alerts
20:56 JST 18 May 2011 Fukushima-ken Oki 40 km 3.4 37.3 N 141.5 E1 No tsunami alerts
22:32 JST 18 May 2011 Fukushima-ken Hamadori very shallow 4.4 36.9 N 140.7 E2 No tsunami alerts
00:38 JST 19 May 2011 Fukushima-ken Oki 40 km 3.4 37.4 N 141.5 E1 No tsunami alerts
03:59 JST 19 May 2011 Chiba-ken Nanto-oki 50 km 3.0 35.0 N 140.3 E1 No tsunami alerts
05:39 JST 19 May 2011 Miyagi-ken Oki 50 km 3.9 38.4 N 141.8 E2 No tsunami alerts
08:17 JST 19 May 2011 Fukushima-ken Oki 20 km 4.5 37.8 N 141.8 E1 No tsunami alerts
09:23 JST 19 May 2011 Fukushima-ken Oki 30 km 3.4 37.3 N 141.2 E1 No tsunami alerts
10:42 JST 19 May 2011 Hyuga-nada 30 km 3.0 32.0 N 131.8 E1 No tsunami alerts
10:51 JST 19 May 2011 Ibaraki-ken Oki 20 km 3.2 36.6 N 140.9 E1 No tsunami alerts
12:09 JST 19 May 2011 Ibaraki-ken Oki 40 km 3.3 36.4 N 140.9 E1 No tsunami alerts
12:12 JST 19 May 2011 Urakawa Oki 60 km 3.6 41.6 N 142.1 E2 No tsunami alerts
12:13 JST 19 May 2011 Fukushima-ken Nakadori 20 km 2.6 37.1 N 140.6 E1 No tsunami alerts
12:26 JST 19 May 2011 Akita-ken Nairiku-nambu 10 km 2.3 39.6 N 140.4 E1 No tsunami alerts
12:42 JST 19 May 2011 Aomori-ken Toho-oki 60 km 3.7 40.9 N 142.1 E2 No tsunami alerts
15:23 JST 19 May 2011 Shiga-ken Nambu 20 km 2.4 34.9 N 135.9 E1 No tsunami alerts
17:32 JST 19 May 2011 Miyagi-ken Oki 60 km 4.8 38.3 N 141.8 EUnknNo tsunami alerts
18:13 JST 19 May 2011 Fukushima-ken Oki 10 km 5.4 37.2 N 142.8 E2 No tsunami alerts
18:58 JST 19 May 2011 Ibaraki-ken Oki 40 km 3.9 36.7 N 141.1 E2 No tsunami alerts
19:33 JST 19 May 2011 Miyagi-ken Chubu 10 km 2.4 38.3 N 140.7 E1 No tsunami alerts
19:38 JST 19 May 2011 Akita-ken Nairiku-nambu 10 km 2.5 39.6 N 140.7 E1 No tsunami alerts
21:12 JST 19 May 2011 Ibaraki-ken Oki 20 km 4.0 36.0 N 141.2 E2 No tsunami alerts
21:21 JST 19 May 2011 Chiba-ken Toho-oki 40 km 2.5 35.6 N 140.7 E1 No tsunami alerts
22:42 JST 19 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.7 E3 No tsunami alerts
22:42 JST 19 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.7 E3 Intensity correction
23:01 JST 19 May 2011 Miyagi-ken Oki 40 km 3.9 38.7 N 141.9 E2 No tsunami alerts
00:48 JST 20 May 2011 Iwate-ken Oki 50 km 3.6 39.7 N 142.2 E1 No tsunami alerts
04:30 JST 20 May 2011 Aomori-ken Shimokita-chiho 10 km 2.8 41.2 N 140.9 E2 No tsunami alerts
04:42 JST 20 May 2011 Fukushima-ken Oki 10 km 3.9 37.2 N 141.2 E2 No tsunami alerts
06:55 JST 20 May 2011 Miyagi-ken Chubu 10 km 2.4 38.3 N 140.7 E1 No tsunami alerts
07:02 JST 20 May 2011 Miyagi-ken Oki 30 km 3.8 38.8 N 142.5 E1 No tsunami alerts
07:04 JST 20 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.2 N 141.0 E1 No tsunami alerts
07:38 JST 20 May 2011 Miyagi-ken Chubu 10 km 2.6 38.3 N 140.7 E1 No tsunami alerts
08:52 JST 20 May 2011 Fukushima-ken Hamadori 20 km 3.6 36.9 N 140.8 E1 No tsunami alerts
09:02 JST 20 May 2011 Ibaraki-ken Hokubu 60 km 3.3 36.3 N 140.5 E1 No tsunami alerts
09:10 JST 20 May 2011 Miyagi-ken Oki 40 km 4.4 37.8 N 142.1 E2 No tsunami alerts
09:46 JST 20 May 2011 Ibaraki-ken Oki 30 km 5.8 35.8 N 141.3 E4 No tsunami alerts
09:46 JST 20 May 2011 Ibaraki-ken Oki 30 km 5.8 35.8 N 141.3 E4 Intensity correction
12:35 JST 20 May 2011 Akita-ken Nairiku-nambu very shallow 2.3 39.5 N 140.3 E1 No tsunami alerts
12:50 JST 20 May 2011 Fukushima-ken Oki 50 km 3.9 37.0 N 141.2 E2 No tsunami alerts
13:48 JST 20 May 2011 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E2 No tsunami alerts
14:04 JST 20 May 2011 Akita-ken Engan-nambu 10 km 2.7 39.5 N 140.2 E1 No tsunami alerts
15:05 JST 20 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
16:28 JST 20 May 2011 Fukushima-ken Oki 40 km 5.2 37.5 N 141.5 E4 No tsunami alerts
16:36 JST 20 May 2011 Fukushima-ken Oki 40 km 3.5 37.4 N 141.4 E1 No tsunami alerts
17:53 JST 20 May 2011 Ibaraki-ken Nambu 70 km 4.6 36.0 N 140.1 E4 No tsunami alerts
17:53 JST 20 May 2011 Ibaraki-ken Nambu 70 km 4.6 36.0 N 140.1 E4 Intensity correction
19:36 JST 20 May 2011 Toyama-ken Seibu 10 km 2.8 36.4 N 136.8 E1 No tsunami alerts
20:04 JST 20 May 2011 Ibaraki-ken Oki 20 km 3.3 35.9 N 141.0 E1 No tsunami alerts
20:16 JST 20 May 2011 Ibaraki-ken Oki 40 km 4.0 36.3 N 141.1 E2 No tsunami alerts
20:42 JST 20 May 2011 Miyagi-ken Oki 50 km 4.3 38.2 N 141.7 E2 No tsunami alerts
21:31 JST 20 May 2011 Miyagi-ken Oki 60 km 3.4 38.7 N 141.7 E1 No tsunami alerts
21:59 JST 20 May 2011 Fukushima-ken Oki 40 km 3.5 37.5 N 141.5 E1 No tsunami alerts
22:20 JST 20 May 2011 Ibaraki-ken Hokubu very shallow 2.7 36.6 N 140.6 E1 No tsunami alerts
23:13 JST 20 May 2011 Niigata-ken Chuetsu-chiho 10 km 2.5 37.0 N 138.6 E1 No tsunami alerts
23:49 JST 20 May 2011 Fukushima-ken Hamadori 20 km 3.3 37.0 N 140.7 E1 No tsunami alerts
00:02 JST 21 May 2011 Akita-ken Engan-nambu 10 km 2.4 39.5 N 140.2 E1 No tsunami alerts
01:04 JST 21 May 2011 Kanagawa-ken Seibu 20 km 3.9 35.5 N 139.1 E3 No tsunami alerts
01:33 JST 21 May 2011 Miyagi-ken Chubu 10 km 2.9 38.3 N 140.7 E1 No tsunami alerts
03:01 JST 21 May 2011 Ibaraki-ken Hokubu 10 km 3.4 36.9 N 140.6 E1 No tsunami alerts
03:32 JST 21 May 2011 Iwate-ken Oki 30 km 3.9 39.0 N 142.5 E1 No tsunami alerts
05:20 JST 21 May 2011 Ibaraki-ken Oki 20 km 3.7 35.9 N 141.0 E2 No tsunami alerts
05:22 JST 21 May 2011 Ibaraki-ken Hokubu 20 km 3.5 36.9 N 140.6 E2 No tsunami alerts
06:18 JST 21 May 2011 Miyakojima Kinkai 50 km 3.8 24.8 N 125.4 E1 No tsunami alerts
06:40 JST 21 May 2011 Fukushima-ken Oki 40 km 3.6 36.9 N 141.3 E1 No tsunami alerts
08:43 JST 21 May 2011 Miyagi-ken Oki 10 km 4.5 38.2 N 142.2 E1 No tsunami alerts
09:34 JST 21 May 2011 Miyagi-ken Oki 50 km 3.4 38.7 N 142.2 E1 No tsunami alerts
11:16 JST 21 May 2011 Fukushima-ken Hamadori very shallow 3.1 37.2 N 140.8 E2 No tsunami alerts
11:46 JST 21 May 2011 Miyagi-ken Oki 40 km 3.7 38.2 N 141.9 E1 No tsunami alerts
11:52 JST 21 May 2011 Chiba-ken Toho-oki very shallow 2.8 35.8 N 141.0 E1 No tsunami alerts
12:40 JST 21 May 2011 Fukushima-ken Oki 50 km 4.1 37.1 N 141.2 E3 No tsunami alerts
14:35 JST 21 May 2011 Iwate-ken Oki 30 km 4.4 39.1 N 142.5 E2 No tsunami alerts
15:25 JST 21 May 2011 Shiga-ken Hokubu 10 km 3.6 35.4 N 135.9 E2 No tsunami alerts
15:47 JST 21 May 2011 Iwate-ken Oki 30 km 3.7 39.0 N 142.5 E1 No tsunami alerts
17:51 JST 21 May 2011 Ibaraki-ken Nambu 50 km 4.1 36.1 N 140.4 E2 No tsunami alerts
18:44 JST 21 May 2011 Fukushima-ken Oki 20 km 4.1 37.6 N 141.8 E1 No tsunami alerts
19:24 JST 21 May 2011 Fukushima-ken Oki 50 km 4.4 37.2 N 141.5 E3 No tsunami alerts
19:42 JST 21 May 2011 Miyagi-ken Oki 40 km 4.3 38.7 N 142.2 E2 No tsunami alerts
20:54 JST 21 May 2011 Tochigi-ken Hokubu very shallow 2.9 36.9 N 139.4 E1 No tsunami alerts
21:05 JST 21 May 2011 Miyagi-ken Oki 60 km 3.7 38.2 N 141.6 E1 No tsunami alerts
23:06 JST 21 May 2011 Tochigi-ken Hokubu very shallow 2.7 36.9 N 139.5 E1 No tsunami alerts
23:16 JST 21 May 2011 Miyagi-ken Oki 40 km 4.1 38.2 N 142.0 E1 No tsunami alerts
00:03 JST 22 May 2011 Ibaraki-ken Oki 50 km 4.2 36.6 N 140.9 E3 No tsunami alerts
00:19 JST 22 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.1 32.9 N 130.7 E1 No tsunami alerts
02:17 JST 22 May 2011 Fukushima-ken Aizu 10 km 3.5 37.0 N 139.4 E3 No tsunami alerts
02:37 JST 22 May 2011 Ibaraki-ken Oki 40 km 3.9 36.3 N 141.1 E1 No tsunami alerts
02:45 JST 22 May 2011 Nemuro-chiho Hokubu 150 km 3.9 43.5 N 144.9 E2 No tsunami alerts
04:51 JST 22 May 2011 Fukushima-ken Hamadori very shallow 3.0 37.1 N 140.8 E2 No tsunami alerts
05:13 JST 22 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.8 33.0 N 130.7 E1 No tsunami alerts
07:06 JST 22 May 2011 Chiba-ken Hokutobu 40 km 5.5 35.8 N 140.7 E4 No tsunami alerts
07:06 JST 22 May 2011 Chiba-ken Hokutobu 40 km 5.5 35.8 N 140.7 E4 Intensity correction
07:32 JST 22 May 2011 Fukushima-ken Oki 60 km 3.9 37.0 N 141.1 E2 No tsunami alerts
12:16 JST 22 May 2011 Iwate-ken Oki 40 km 4.0 39.8 N 142.3 E1 No tsunami alerts
13:21 JST 22 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.6 N 140.6 E1 No tsunami alerts
14:59 JST 22 May 2011 Akita-ken Engan-nambu 10 km 2.7 39.5 N 140.2 E1 No tsunami alerts
15:17 JST 22 May 2011 Fukushima-ken Oki 40 km 3.9 37.6 N 141.6 E1 No tsunami alerts
15:59 JST 22 May 2011 Akita-ken Engan-nambu 10 km 2.1 39.6 N 140.2 E1 No tsunami alerts
17:28 JST 22 May 2011 Sanriku Oki 20 km 4.7 39.1 N 142.9 E1 No tsunami alerts
17:33 JST 22 May 2011 Sanriku Oki 10 km 4.6 39.1 N 142.8 E2 No tsunami alerts
18:44 JST 22 May 2011 Chiba-ken Toho-oki 30 km 3.2 35.8 N 141.0 E1 No tsunami alerts
18:47 JST 22 May 2011 Fukushima-ken Oki 30 km 3.2 37.4 N 141.3 E1 No tsunami alerts
19:02 JST 22 May 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.8 E1 No tsunami alerts
20:07 JST 22 May 2011 Fukushima-ken Oki 10 km 4.7 37.6 N 142.1 E2 No tsunami alerts
21:08 JST 22 May 2011 Mutsu-wan 10 km 3.0 41.1 N 140.9 E1 No tsunami alerts
23:46 JST 22 May 2011 Fukushima-ken Oki 10 km 5.5 37.6 N 143.4 E2 No tsunami alerts
00:15 JST 23 May 2011 Ibaraki-ken Hokubu 10 km 3.7 36.8 N 140.6 E1 No tsunami alerts
01:18 JST 23 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 3.3 33.0 N 130.7 E2 No tsunami alerts
01:26 JST 23 May 2011 Miyagi-ken Chubu very shallow 2.0 38.3 N 140.7 E1 No tsunami alerts
05:31 JST 23 May 2011 Yamagata-ken Murayama-chiho 10 km 2.6 38.5 N 140.0 E1 No tsunami alerts
06:40 JST 23 May 2011 Fukushima-ken Oki 40 km 4.4 37.6 N 141.7 E2 No tsunami alerts
07:12 JST 23 May 2011 Miyagi-ken Oki 40 km 3.4 38.5 N 142.1 E1 No tsunami alerts
12:26 JST 23 May 2011 Miyagi-ken Oki 50 km 3.8 38.2 N 141.7 E2 No tsunami alerts
14:21 JST 23 May 2011 Miyagi-ken Oki 20 km 4.6 38.2 N 142.1 E2 No tsunami alerts
14:33 JST 23 May 2011 Miyagi-ken Oki 40 km 3.9 38.7 N 142.3 E1 No tsunami alerts
15:10 JST 23 May 2011 Shizuoka-ken Tobu 20 km 2.0 35.3 N 138.7 E1 No tsunami alerts
16:17 JST 23 May 2011 Miyagi-ken Oki 50 km 3.8 38.3 N 141.8 E1 No tsunami alerts
18:32 JST 23 May 2011 Saitama-ken Nambu 90 km 3.7 35.9 N 139.7 E1 No tsunami alerts
18:46 JST 23 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.8 E2 No tsunami alerts
19:37 JST 23 May 2011 Akita-ken Nairiku-nambu very shallow 2.3 39.5 N 140.3 E1 No tsunami alerts
19:37 JST 23 May 2011 Fukushima-ken Oki 50 km 3.9 37.0 N 141.2 E1 No tsunami alerts
20:17 JST 23 May 2011 Fukushima-ken Aizu 10 km 3.1 37.7 N 139.9 E1 No tsunami alerts
21:01 JST 23 May 2011 Fukushima-ken Hamadori 10 km 3.0 36.9 N 140.8 E1 No tsunami alerts
22:06 JST 23 May 2011 Miyagi-ken Chubu 10 km 2.7 38.3 N 140.7 E1 No tsunami alerts
22:25 JST 23 May 2011 Fukushima-ken Oki 20 km 3.7 37.0 N 141.1 E1 No tsunami alerts
23:07 JST 23 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E2 No tsunami alerts
23:40 JST 23 May 2011 Miyagi-ken Oki 20 km 4.8 38.0 N 142.6 E2 No tsunami alerts
00:09 JST 24 May 2011 Fukushima-ken Hamadori 10 km 3.4 36.9 N 140.7 E1 No tsunami alerts
03:32 JST 24 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.7 E1 No tsunami alerts
03:50 JST 24 May 2011 Miyagi-ken Oki 10 km 4.1 38.3 N 142.0 E1 No tsunami alerts
05:49 JST 24 May 2011 Ibaraki-ken Oki 30 km 3.4 36.5 N 140.9 E1 No tsunami alerts
06:54 JST 24 May 2011 Fukushima-ken Oki 20 km 3.6 37.2 N 141.3 E1 No tsunami alerts
06:55 JST 24 May 2011 Miyagi-ken Oki 50 km 3.8 38.5 N 141.7 E2 No tsunami alerts
06:56 JST 24 May 2011 Fukushima-ken Nakadori 20 km 3.0 37.1 N 140.5 E2 No tsunami alerts
08:26 JST 24 May 2011 Akita-ken Nairiku-nambu 10 km 2.7 39.6 N 140.6 E1 No tsunami alerts
08:56 JST 24 May 2011 Ibaraki-ken Oki 20 km 4.1 36.0 N 141.4 E2 No tsunami alerts
09:55 JST 24 May 2011 Chiba-ken Hokutobu 40 km 3.7 35.8 N 140.7 E1 No tsunami alerts
10:10 JST 24 May 2011 Chiba-ken Hokutobu 50 km 3.4 35.7 N 140.7 E1 No tsunami alerts
10:40 JST 24 May 2011 Ibaraki-ken Hokubu 10 km 3.4 36.7 N 140.7 E2 No tsunami alerts
11:18 JST 24 May 2011 Fukushima-ken Oki 50 km 3.3 37.1 N 141.2 E1 No tsunami alerts
12:04 JST 24 May 2011 Fukushima-ken Nakadori 10 km 2.6 37.1 N 140.6 E1 No tsunami alerts
12:21 JST 24 May 2011 Iwate-ken Oki 50 km 2.9 39.6 N 142.1 E1 No tsunami alerts
12:29 JST 24 May 2011 Chiba-ken Nanto-oki 30 km 3.0 35.0 N 140.3 E1 No tsunami alerts
12:41 JST 24 May 2011 Sanriku Oki 10 km 5.8 39.7 N 143.5 E3 No tsunami alerts
13:14 JST 24 May 2011 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
13:47 JST 24 May 2011 Miyagi-ken Oki 30 km 4.4 38.4 N 142.3 E1 No tsunami alerts
14:30 JST 24 May 2011 Fukushima-ken Oki 30 km 4.1 37.0 N 141.2 E1 No tsunami alerts
14:43 JST 24 May 2011 Tokachi-chiho Nambu 50 km 4.1 42.4 N 143.1 E2 No tsunami alerts
15:37 JST 24 May 2011 Chiba-ken Hokutobu 50 km 3.1 35.8 N 140.7 E1 No tsunami alerts
15:43 JST 24 May 2011 Fukushima-ken Hamadori 20 km 3.2 37.0 N 140.6 E1 No tsunami alerts
16:10 JST 24 May 2011 Seto-naikai Chubu 20 km 3.3 34.4 N 133.4 E1 No tsunami alerts
17:03 JST 24 May 2011 Fukushima-ken Oki 50 km 3.9 37.1 N 141.2 E2 No tsunami alerts
18:58 JST 24 May 2011 Okinawa-honto Kinkai 40 km 3.8 27.3 N 128.9 E2 No tsunami alerts
19:18 JST 24 May 2011 Ibaraki-ken Oki 30 km 4.6 36.8 N 141.3 E3 No tsunami alerts
19:27 JST 24 May 2011 Akita-ken Nairiku-nambu 10 km 2.5 39.6 N 140.6 E1 No tsunami alerts
19:46 JST 24 May 2011 Akita-ken Nairiku-nambu 20 km 2.5 39.6 N 140.7 E2 No tsunami alerts
20:49 JST 24 May 2011 Ibaraki-ken Oki 30 km 4.9 36.4 N 141.2 EUnknNo tsunami alerts
20:50 JST 24 May 2011 Chiba-ken Hokuseibu 70 km 3.8 35.7 N 140.0 E2 No tsunami alerts
01:04 JST 25 May 2011 Bungo-suido 50 km 3.0 33.2 N 132.2 E1 No tsunami alerts
01:31 JST 25 May 2011 Toyama-ken Seibu very shallow 3.4 36.4 N 136.8 E2 No tsunami alerts
05:12 JST 25 May 2011 Miyagi-ken Oki 60 km 3.9 38.3 N 141.9 E1 No tsunami alerts
05:36 JST 25 May 2011 Fukushima-ken Hamadori 10 km 5.1 37.1 N 140.9 E5 lower No tsunami alerts
05:49 JST 25 May 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.8 E1 No tsunami alerts
05:54 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.5 37.1 N 140.8 E1 No tsunami alerts
05:59 JST 25 May 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.9 E2 No tsunami alerts
06:21 JST 25 May 2011 Miyagi-ken Oki 60 km 3.7 37.9 N 141.6 E1 No tsunami alerts
06:30 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.4 37.1 N 140.8 E1 No tsunami alerts
06:36 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.8 E1 No tsunami alerts
06:46 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E2 No tsunami alerts
06:57 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.1 37.1 N 140.9 E1 No tsunami alerts
07:05 JST 25 May 2011 Iwate-ken Oki 30 km 3.9 39.2 N 142.4 E1 No tsunami alerts
07:38 JST 25 May 2011 Fukushima-ken Oki 40 km 4.4 37.4 N 141.6 E3 No tsunami alerts
08:03 JST 25 May 2011 Ibaraki-ken Oki 10 km 3.7 36.8 N 140.8 E2 No tsunami alerts
09:19 JST 25 May 2011 Ibaraki-ken Nambu 70 km 4.5 35.9 N 140.2 E3 No tsunami alerts
09:34 JST 25 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E1 No tsunami alerts
10:04 JST 25 May 2011 Miyagi-ken Oki 40 km 4.1 38.3 N 142.2 E1 No tsunami alerts
11:53 JST 25 May 2011 Ibaraki-ken Oki 20 km 3.1 35.9 N 140.9 E1 No tsunami alerts
12:24 JST 25 May 2011 Iwate-ken Oki 30 km 4.0 39.1 N 142.3 E1 No tsunami alerts
12:47 JST 25 May 2011 Fukushima-ken Hamadori 20 km 3.0 37.0 N 140.6 E2 No tsunami alerts
13:07 JST 25 May 2011 Chiba-ken Hokutobu 50 km 3.4 35.8 N 140.7 E1 No tsunami alerts
13:11 JST 25 May 2011 Miyagi-ken Oki 20 km 3.9 38.1 N 142.1 E1 No tsunami alerts
14:07 JST 25 May 2011 Fukushima-ken Oki 50 km 3.4 36.9 N 141.1 E1 No tsunami alerts
14:49 JST 25 May 2011 Fukushima-ken Hamadori 10 km 3.5 36.9 N 140.7 E1 No tsunami alerts
15:12 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
15:35 JST 25 May 2011 Miyagi-ken Chubu 10 km 2.4 38.4 N 141.2 E1 No tsunami alerts
16:20 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
17:08 JST 25 May 2011 Chiba-ken Hokutobu 50 km 3.1 35.8 N 140.7 E1 No tsunami alerts
17:28 JST 25 May 2011 Miyagi-ken Oki 60 km 4.1 38.1 N 141.6 E2 No tsunami alerts
17:48 JST 25 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E1 No tsunami alerts
19:04 JST 25 May 2011 Southern Sea of Okhotsk 550 km 5.3 48.7 N 148.5 E1 No tsunami alerts
20:48 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
21:55 JST 25 May 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.8 E1 No tsunami alerts
23:20 JST 25 May 2011 Chiba-ken Toho-oki 20 km 3.9 35.5 N 141.0 E2 No tsunami alerts
00:30 JST 26 May 2011 Fukushima-ken Hamadori 10 km 3.6 37.0 N 140.8 E1 No tsunami alerts
01:58 JST 26 May 2011 Ibaraki-ken Hokubu 20 km 3.5 36.8 N 140.6 E1 No tsunami alerts
02:27 JST 26 May 2011 Iwate-ken Oki 50 km 3.8 39.8 N 142.3 E1 No tsunami alerts
05:29 JST 26 May 2011 Sanriku Oki 10 km 4.8 39.6 N 143.7 E1 No tsunami alerts
07:36 JST 26 May 2011 Fukushima-ken Hamadori 10 km 3.4 37.2 N 141.0 E1 No tsunami alerts
09:49 JST 26 May 2011 Miyagi-ken Hokubu very shallow 3.1 38.8 N 140.6 E3 No tsunami alerts
10:08 JST 26 May 2011 Fukushima-ken Oki 10 km 3.7 37.2 N 141.2 E1 No tsunami alerts
10:37 JST 26 May 2011 Fukushima-ken Oki 30 km 3.5 37.2 N 141.1 E2 No tsunami alerts
10:44 JST 26 May 2011 Miyagi-ken Oki 50 km 3.5 38.8 N 142.1 E1 No tsunami alerts
12:22 JST 26 May 2011 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
12:23 JST 26 May 2011 Chiba-ken Toho-oki 40 km 3.1 35.5 N 140.8 E1 No tsunami alerts
15:57 JST 26 May 2011 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E3 No tsunami alerts
17:21 JST 26 May 2011 Fukushima-ken Oki 30 km 3.4 37.1 N 141.2 E1 No tsunami alerts
17:24 JST 26 May 2011 Chiba-ken Toho-oki very shallow 3.9 35.8 N 141.1 E1 No tsunami alerts
19:08 JST 26 May 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
19:15 JST 26 May 2011 Fukushima-ken Hamadori very shallow 4.0 37.1 N 140.9 E3 No tsunami alerts
19:56 JST 26 May 2011 Ibaraki-ken Hokubu 10 km 4.8 36.7 N 140.6 E4 No tsunami alerts
19:56 JST 26 May 2011 Ibaraki-ken Hokubu 10 km 4.8 36.7 N 140.6 E4 Intensity correction
20:07 JST 26 May 2011 Ibaraki-ken Hokubu very shallow 3.0 36.7 N 140.7 E1 No tsunami alerts
20:12 JST 26 May 2011 Ibaraki-ken Hokubu 10 km 4.1 36.7 N 140.7 E3 No tsunami alerts
20:19 JST 26 May 2011 Fukushima-ken Hamadori very shallow 2.9 37.1 N 140.8 E1 No tsunami alerts
21:22 JST 26 May 2011 Fukushima-ken Hamadori very shallow 3.4 37.1 N 140.9 E3 No tsunami alerts
21:28 JST 26 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
22:36 JST 26 May 2011 Nagano-ken Chubu very shallow 3.0 36.2 N 138.1 E1 No tsunami alerts
00:04 JST 27 May 2011 Iwate-ken Oki 20 km 4.2 39.1 N 142.5 E2 No tsunami alerts
01:30 JST 27 May 2011 Aomori-ken Toho-oki 50 km 3.3 40.7 N 142.2 E1 No tsunami alerts
02:19 JST 27 May 2011 Ibaraki-ken Oki 30 km 4.2 36.6 N 141.4 E2 No tsunami alerts
02:44 JST 27 May 2011 Ibaraki-ken Oki 40 km 3.7 36.4 N 141.1 E1 No tsunami alerts
03:14 JST 27 May 2011 Miyagi-ken Oki 60 km 3.6 38.4 N 141.7 E1 No tsunami alerts
04:17 JST 27 May 2011 Ibaraki-ken Oki 30 km 3.4 36.4 N 140.9 E1 No tsunami alerts
04:50 JST 27 May 2011 Fukushima-ken Hamadori 10 km 3.8 37.1 N 140.7 E2 No tsunami alerts
07:09 JST 27 May 2011 Ibaraki-ken Oki 20 km 3.5 36.0 N 141.1 E1 No tsunami alerts
07:53 JST 27 May 2011 Iwate-ken Oki 30 km 3.7 39.1 N 142.4 E1 No tsunami alerts
08:21 JST 27 May 2011 Fukushima-ken Hamadori 10 km 3.7 37.1 N 140.9 E2 No tsunami alerts
08:25 JST 27 May 2011 Fukushima-ken Hamadori very shallow 3.5 37.1 N 140.8 E3 No tsunami alerts
08:34 JST 27 May 2011 Fukushima-ken Oki 20 km 4.3 37.1 N 141.4 E1 No tsunami alerts
10:38 JST 27 May 2011 Chiba-ken Toho-oki 40 km 4.1 35.3 N 141.0 E1 No tsunami alerts
11:28 JST 27 May 2011 Ibaraki-ken Oki very shallow 3.2 36.7 N 140.8 E1 No tsunami alerts
12:34 JST 27 May 2011 Fukushima-ken Hamadori 10 km 4.7 37.1 N 140.9 E4 No tsunami alerts
13:44 JST 27 May 2011 Fukushima-ken Hamadori very shallow 3.8 37.1 N 140.9 E3 No tsunami alerts
14:18 JST 27 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
14:23 JST 27 May 2011 Ibaraki-ken Nambu 40 km 3.3 36.0 N 140.3 E1 No tsunami alerts
15:04 JST 27 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
15:11 JST 27 May 2011 Tokara-retto Kinkai very shallow 3.2 29.8 N 130.0 E1 No tsunami alerts
15:32 JST 27 May 2011 Chiba-ken Toho-oki very shallow 3.7 35.8 N 141.0 E1 No tsunami alerts
15:53 JST 27 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
15:56 JST 27 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
16:11 JST 27 May 2011 Akita-ken Nairiku-nambu 10 km 2.7 39.5 N 140.3 E2 No tsunami alerts
17:04 JST 27 May 2011 Fukushima-ken Hamadori 20 km 4.2 37.1 N 140.7 EUnknNo tsunami alerts
17:03 JST 27 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.8 E1 No tsunami alerts
17:51 JST 27 May 2011 Fukushima-ken Oki 40 km 3.6 36.9 N 141.1 E1 No tsunami alerts
17:54 JST 27 May 2011 Akita-ken Nairiku-nambu 10 km 1.8 39.5 N 140.3 E1 No tsunami alerts
19:30 JST 27 May 2011 Osumi-hanto Toho-oki 40 km 3.9 31.1 N 131.5 E1 No tsunami alerts
19:53 JST 27 May 2011 Akita-ken Nairiku-nambu 10 km 2.4 39.5 N 140.4 E3 No tsunami alerts
19:51 JST 27 May 2011 Akita-ken Nairiku-nambu 10 km 2.1 39.5 N 140.4 E1 No tsunami alerts
20:25 JST 27 May 2011 Fukushima-ken Hamadori 10 km 3.5 37.0 N 140.9 E3 No tsunami alerts
20:51 JST 27 May 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E2 No tsunami alerts
22:02 JST 27 May 2011 Yamagata-ken Okitama-chiho 10 km 3.0 37.8 N 140.0 E1 No tsunami alerts
22:33 JST 27 May 2011 Akita-ken Nairiku-nambu 20 km 4.5 39.6 N 140.7 E4 No tsunami alerts
22:51 JST 27 May 2011 Izu-ohshima Kinkai 30 km 3.6 35.0 N 139.5 E2 No tsunami alerts
23:39 JST 27 May 2011 Ibaraki-ken Oki 40 km 4.3 36.4 N 141.2 E2 No tsunami alerts
00:02 JST 28 May 2011 Ibaraki-ken Oki 10 km 4.3 35.9 N 141.1 E1 No tsunami alerts
00:42 JST 28 May 2011 Fukushima-ken Oki 50 km 3.2 36.9 N 141.2 E1 No tsunami alerts
03:33 JST 28 May 2011 Niigata-ken Chuetsu-chiho 10 km 3.3 37.0 N 138.7 E3 No tsunami alerts
04:13 JST 28 May 2011 Izu-hanto Toho-oki 10 km 2.5 35.0 N 139.1 E1 No tsunami alerts
04:30 JST 28 May 2011 Ibaraki-ken Oki 20 km 3.2 36.7 N 140.8 E1 No tsunami alerts
05:25 JST 28 May 2011 Niigata-ken Chuetsu-chiho 10 km 1.8 37.1 N 138.7 E1 No tsunami alerts
05:30 JST 28 May 2011 Ibaraki-ken Oki 20 km 3.2 36.7 N 140.8 E1 No tsunami alerts
06:11 JST 28 May 2011 Miyagi-ken Chubu 10 km 2.3 38.3 N 140.7 E1 No tsunami alerts
07:44 JST 28 May 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.9 E1 No tsunami alerts
07:49 JST 28 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E2 No tsunami alerts
07:50 JST 28 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E2 No tsunami alerts
08:02 JST 28 May 2011 Iwate-ken Oki 50 km 4.5 39.8 N 142.2 E3 No tsunami alerts
10:08 JST 28 May 2011 Iwate-ken Oki 20 km 4.3 39.6 N 142.7 E1 No tsunami alerts
10:34 JST 28 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
10:57 JST 28 May 2011 Chiba-ken Toho-oki 10 km 4.5 35.7 N 141.0 E3 No tsunami alerts
10:59 JST 28 May 2011 Ibaraki-ken Hokubu very shallow 3.1 36.8 N 140.6 E1 No tsunami alerts
11:14 JST 28 May 2011 Ibaraki-ken Hokubu 50 km 4.3 36.5 N 140.6 E3 No tsunami alerts
16:03 JST 28 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.9 33.0 N 130.7 E2 No tsunami alerts
16:43 JST 28 May 2011 Fukushima-ken Hamadori 20 km 2.9 37.0 N 140.6 E2 No tsunami alerts
19:06 JST 28 May 2011 Tokara-retto Kinkai 20 km 1.8 29.3 N 129.1 E1 No tsunami alerts
19:38 JST 28 May 2011 Fukushima-ken Hamadori 20 km 2.7 37.0 N 140.6 E1 No tsunami alerts
19:47 JST 28 May 2011 Fukushima-ken Hamadori 20 km 3.6 36.9 N 140.8 E1 No tsunami alerts
20:55 JST 28 May 2011 Miyagi-ken Oki 40 km 4.3 38.7 N 142.4 E2 No tsunami alerts
21:28 JST 28 May 2011 Ibaraki-ken Nambu 80 km 3.8 36.0 N 140.0 E1 No tsunami alerts
22:15 JST 28 May 2011 Fukushima-ken Oki 50 km 3.2 37.3 N 141.3 E1 No tsunami alerts
22:46 JST 28 May 2011 Ibaraki-ken Oki 10 km 5.0 36.4 N 142.2 E1 No tsunami alerts
22:54 JST 28 May 2011 Fukushima-ken Hamadori 20 km 3.8 37.0 N 140.8 E2 No tsunami alerts
23:56 JST 28 May 2011 Fukushima-ken Oki 10 km 4.7 37.5 N 143.5 E1 No tsunami alerts
00:52 JST 29 May 2011 Oita-ken Nambu 10 km 3.2 32.9 N 131.7 E2 No tsunami alerts
01:36 JST 29 May 2011 Miyagi-ken Hokubu very shallow 2.2 38.8 N 140.6 E2 No tsunami alerts
01:54 JST 29 May 2011 Chiba-ken Hokuseibu 80 km 3.7 35.7 N 140.1 E1 No tsunami alerts
02:59 JST 29 May 2011 Iwate-ken Oki 40 km 3.8 40.2 N 142.1 E2 No tsunami alerts
03:12 JST 29 May 2011 Nagano-ken Chubu 10 km 2.8 36.2 N 138.1 E1 No tsunami alerts
03:53 JST 29 May 2011 Miyagi-ken Oki 40 km 4.3 38.9 N 142.3 E2 No tsunami alerts
04:16 JST 29 May 2011 Miyagi-ken Oki 40 km 3.2 38.9 N 142.0 E1 No tsunami alerts
05:18 JST 29 May 2011 Satsuma-hanto Seiho-oki very shallow 4.4 31.6 N 129.6 E3 No tsunami alerts
06:04 JST 29 May 2011 Fukushima-ken Oki 50 km 4.0 37.3 N 141.4 E2 No tsunami alerts
06:39 JST 29 May 2011 Fukushima-ken Hamadori very shallow 2.3 37.1 N 140.8 E1 No tsunami alerts
07:02 JST 29 May 2011 Fukushima-ken Hamadori very shallow 3.0 37.1 N 140.8 E2 No tsunami alerts
07:09 JST 29 May 2011 Miyagi-ken Oki 50 km 3.5 38.8 N 142.1 E1 No tsunami alerts
08:28 JST 29 May 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
08:51 JST 29 May 2011 Kumamoto-ken Kumamoto-chiho 10 km 3.2 33.0 N 130.7 E2 No tsunami alerts
09:03 JST 29 May 2011 Iwate-ken Oki 40 km 4.1 39.7 N 142.4 E2 No tsunami alerts
10:22 JST 29 May 2011 Miyagi-ken Oki 50 km 3.4 38.5 N 141.9 E1 No tsunami alerts
10:42 JST 29 May 2011 Fukushima-ken Oki 50 km 3.5 37.1 N 141.2 E2 No tsunami alerts
11:27 JST 29 May 2011 Ibaraki-ken Hokubu 20 km 3.5 36.8 N 140.6 E2 No tsunami alerts
11:56 JST 29 May 2011 Ibaraki-ken Oki 30 km 3.9 36.6 N 141.1 E2 No tsunami alerts
12:12 JST 29 May 2011 Miyagi-ken Oki 50 km 4.0 38.2 N 141.7 E1 No tsunami alerts
12:43 JST 29 May 2011 Chiba-ken Hokuseibu 30 km 3.0 35.5 N 140.2 E2 No tsunami alerts
12:58 JST 29 May 2011 Iwate-ken Oki 50 km 3.8 39.6 N 142.2 E1 No tsunami alerts
13:23 JST 29 May 2011 Fukushima-ken Hamadori 10 km 4.2 37.0 N 140.6 E2 No tsunami alerts
13:44 JST 29 May 2011 Fukushima-ken Hamadori 10 km 3.5 36.9 N 140.7 E2 No tsunami alerts
15:22 JST 29 May 2011 Fukushima-ken Nakadori 20 km 2.8 37.1 N 140.6 E1 No tsunami alerts
18:38 JST 29 May 2011 Fukushima-ken Oki 40 km 3.8 37.8 N 141.8 E1 No tsunami alerts
18:40 JST 29 May 2011 Miyagi-ken Oki 60 km 4.1 38.4 N 141.8 E2 No tsunami alerts
18:49 JST 29 May 2011 Ibaraki-ken Oki 40 km 4.1 36.4 N 141.0 E2 No tsunami alerts
20:14 JST 29 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.2 N 140.9 E1 No tsunami alerts
20:30 JST 29 May 2011 Tomakomai Oki 90 km 3.5 42.2 N 141.5 E2 No tsunami alerts
20:41 JST 29 May 2011 Ibaraki-ken Hokubu 10 km 3.6 36.8 N 140.6 E2 No tsunami alerts
20:56 JST 29 May 2011 Akita-ken Nairiku-nambu 10 km 2.4 39.5 N 140.4 E2 No tsunami alerts
22:40 JST 29 May 2011 Chiba-ken Toho-oki 60 km 3.4 35.7 N 140.8 E1 No tsunami alerts
02:01 JST 30 May 2011 Miyagi-ken Oki 50 km 2.8 38.7 N 141.8 E1 No tsunami alerts
03:32 JST 30 May 2011 Iwate-ken Oki 30 km 4.1 39.1 N 142.5 E1 No tsunami alerts
05:50 JST 30 May 2011 Fukushima-ken Hamadori 10 km 3.4 37.1 N 140.9 E2 No tsunami alerts
06:55 JST 30 May 2011 Fukushima-ken Aizu 10 km 3.5 37.7 N 139.9 E2 No tsunami alerts
08:57 JST 30 May 2011 Miyagi-ken Oki 60 km 3.3 38.8 N 142.0 E1 No tsunami alerts
10:12 JST 30 May 2011 Miyagi-ken Oki 40 km 3.8 38.7 N 142.1 E1 No tsunami alerts
11:35 JST 30 May 2011 Ibaraki-ken Nambu 50 km 3.3 36.1 N 140.1 E1 No tsunami alerts
12:14 JST 30 May 2011 Chiba-ken Hokuseibu 70 km 3.2 35.6 N 140.1 E1 No tsunami alerts
12:47 JST 30 May 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
13:40 JST 30 May 2011 Fukushima-ken Oki 40 km 3.1 37.1 N 141.2 E1 No tsunami alerts
14:13 JST 30 May 2011 Shizuoka-ken Tobu 10 km 2.1 35.3 N 138.7 E1 No tsunami alerts
14:21 JST 30 May 2011 Fukushima-ken Oki 20 km 3.7 37.3 N 141.2 E2 No tsunami alerts
14:24 JST 30 May 2011 Fukushima-ken Hamadori very shallow 2.9 37.1 N 140.9 E1 No tsunami alerts
14:28 JST 30 May 2011 Chiba-ken Hokuseibu 30 km 3.0 35.5 N 140.2 E2 No tsunami alerts
14:28 JST 30 May 2011 Fukushima-ken Oki 20 km 3.7 36.9 N 140.9 E2 No tsunami alerts
14:52 JST 30 May 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
15:06 JST 30 May 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E2 No tsunami alerts
15:35 JST 30 May 2011 Miyagi-ken Oki 50 km 3.5 38.7 N 142.0 E1 No tsunami alerts
15:42 JST 30 May 2011 Miyagi-ken Oki 20 km 3.8 38.4 N 141.9 E1 No tsunami alerts
16:49 JST 30 May 2011 Ibaraki-ken Hokubu 10 km 3.2 36.8 N 140.6 E1 No tsunami alerts
17:17 JST 30 May 2011 Ibaraki-ken Oki 50 km 3.4 36.6 N 141.0 E1 No tsunami alerts
18:12 JST 30 May 2011 Niigata-ken Chuetsu-chiho very shallow 2.5 37.2 N 139.1 E1 No tsunami alerts
21:24 JST 30 May 2011 Fukushima-ken Oki 30 km 4.1 37.3 N 141.4 E1 No tsunami alerts
22:40 JST 30 May 2011 Aomori-ken Toho-oki 50 km 3.3 40.9 N 142.1 E1 No tsunami alerts
22:51 JST 30 May 2011 Ibaraki-ken Oki 50 km 3.3 36.3 N 140.8 E1 No tsunami alerts
03:18 JST 31 May 2011 Fukushima-ken Hamadori 20 km 2.5 37.0 N 140.6 E1 No tsunami alerts
03:24 JST 31 May 2011 Iwate-ken Oki 50 km 3.3 39.6 N 142.1 E1 No tsunami alerts
03:35 JST 31 May 2011 Miyagi-ken Hokubu 90 km 3.3 38.6 N 141.0 E1 No tsunami alerts
04:36 JST 31 May 2011 Ibaraki-ken Oki 10 km 5.0 36.5 N 140.9 EUnknNo tsunami alerts
05:39 JST 31 May 2011 Ibaraki-ken Hokubu 20 km 3.6 36.8 N 140.6 E2 No tsunami alerts
07:16 JST 31 May 2011 Fukushima-ken Oki 30 km 3.5 37.4 N 141.3 E2 No tsunami alerts
07:47 JST 31 May 2011 Gifu-ken Hida-chiho 10 km 2.9 36.2 N 137.4 E1 No tsunami alerts
08:54 JST 31 May 2011 Sanriku Oki 10 km 5.0 40.2 N 143.4 E2 No tsunami alerts
11:20 JST 31 May 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
11:28 JST 31 May 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.7 E1 No tsunami alerts
16:12 JST 31 May 2011 Fukushima-ken Oki 30 km 4.2 37.2 N 141.2 E2 No tsunami alerts
16:50 JST 31 May 2011 Ibaraki-ken Oki 40 km 4.2 36.2 N 141.0 E2 No tsunami alerts
16:56 JST 31 May 2011 Kushiro Oki 50 km 4.1 42.6 N 145.4 E1 No tsunami alerts
20:08 JST 31 May 2011 Iwate-ken Oki 50 km 3.4 39.1 N 142.1 E1 No tsunami alerts
21:28 JST 31 May 2011 Iwate-ken Oki 50 km 5.2 39.4 N 142.1 E4 No tsunami alerts
Archive Earthquake Data
  JMA (final quake data) EEW (preliminary reports)
2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2012 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2013 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2014 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7
2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All 4 to 7