J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
01:29 JST 01 Sep 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.6 E1 No tsunami alerts
04:28 JST 01 Sep 2011 Iwate-ken Nairiku-nambu 10 km 3.0 39.0 N 140.9 E1 No tsunami alerts
04:31 JST 01 Sep 2011 Miyagi-ken Oki 50 km 3.4 38.9 N 141.9 E1 No tsunami alerts
05:32 JST 01 Sep 2011 Chiba-ken Toho-oki 20 km 3.6 35.5 N 141.0 E1 No tsunami alerts
11:50 JST 01 Sep 2011 Ibaraki-ken Oki 10 km 4.2 36.4 N 140.9 E3 No tsunami alerts
12:51 JST 01 Sep 2011 Shizuoka-ken Tobu 10 km 2.5 35.3 N 138.7 E1 No tsunami alerts
19:01 JST 01 Sep 2011 Nagano-ken Chubu very shallow 2.4 36.2 N 138.0 E1 No tsunami alerts
21:41 JST 01 Sep 2011 Ibaraki-ken Nambu 40 km 3.0 36.1 N 139.9 E1 No tsunami alerts
00:16 JST 02 Sep 2011 Miyagi-ken Oki 60 km 3.2 38.4 N 141.8 E1 No tsunami alerts
02:56 JST 02 Sep 2011 Fukushima-ken Nakadori 20 km 3.9 37.0 N 140.5 E2 No tsunami alerts
05:36 JST 02 Sep 2011 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E1 No tsunami alerts
06:43 JST 02 Sep 2011 Iwate-ken Oki 40 km 3.1 39.1 N 142.2 E1 No tsunami alerts
07:39 JST 02 Sep 2011 Chiba-ken Hokutobu 50 km 3.7 35.8 N 140.7 E2 No tsunami alerts
07:53 JST 02 Sep 2011 Iwate-ken Oki 30 km 3.7 39.0 N 142.5 E1 No tsunami alerts
08:00 JST 02 Sep 2011 Ibaraki-ken Oki 30 km 3.4 36.5 N 141.1 E1 No tsunami alerts
09:07 JST 02 Sep 2011 Fukushima-ken Oki 40 km 3.6 37.3 N 141.5 E1 No tsunami alerts
11:06 JST 02 Sep 2011 Ibaraki-ken Hokubu 10 km 3.7 36.8 N 140.7 E2 No tsunami alerts
12:15 JST 02 Sep 2011 Ibaraki-ken Oki 40 km 3.7 36.8 N 141.2 E1 No tsunami alerts
13:08 JST 02 Sep 2011 Iwate-ken Oki 30 km 4.5 39.1 N 142.5 E2 No tsunami alerts
13:48 JST 02 Sep 2011 Miyagi-ken Oki 70 km 4.3 38.8 N 141.6 E3 No tsunami alerts
16:33 JST 02 Sep 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E2 No tsunami alerts
17:53 JST 02 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
18:49 JST 02 Sep 2011 Miyagi-ken Oki 20 km 3.6 38.9 N 142.6 E1 No tsunami alerts
19:47 JST 02 Sep 2011 Ibaraki-ken Nambu 70 km 3.3 36.1 N 140.1 E1 No tsunami alerts
20:49 JST 02 Sep 2011 Kushiro-chiho Chunambu very shallow 3.4 43.3 N 144.0 E1 No tsunami alerts
20:53 JST 02 Sep 2011 Kushiro-chiho Chunambu very shallow 3.1 43.3 N 144.0 E1 No tsunami alerts
21:19 JST 02 Sep 2011 Miyagi-ken Oki 50 km 3.2 38.9 N 142.0 E1 No tsunami alerts
21:42 JST 02 Sep 2011 Niigata-ken Chuetsu-chiho 10 km 1.9 37.0 N 138.6 E1 No tsunami alerts
23:15 JST 02 Sep 2011 Tochigi-ken Nambu 10 km 2.9 36.6 N 139.5 E2 No tsunami alerts
01:14 JST 03 Sep 2011 Aomori-ken Toho-oki 100 km 3.4 40.8 N 141.8 E1 No tsunami alerts
04:32 JST 03 Sep 2011 Iwate-ken Engan-hokubu 60 km 3.2 39.8 N 141.8 E1 No tsunami alerts
05:08 JST 03 Sep 2011 Fukushima-ken Oki 50 km 3.4 36.9 N 141.1 E1 No tsunami alerts
05:56 JST 03 Sep 2011 Miyagi-ken Oki 50 km 3.8 38.2 N 141.6 E1 No tsunami alerts
06:18 JST 03 Sep 2011 Miyagi-ken Oki 40 km 3.8 38.6 N 142.1 E1 No tsunami alerts
06:25 JST 03 Sep 2011 Miyagi-ken Oki 50 km 3.3 38.6 N 141.9 E1 No tsunami alerts
06:57 JST 03 Sep 2011 Mie-ken Nambu 50 km 3.4 34.3 N 136.1 E2 No tsunami alerts
12:46 JST 03 Sep 2011 Ibaraki-ken Oki 40 km 3.3 36.2 N 140.9 E1 No tsunami alerts
16:43 JST 03 Sep 2011 Chiba-ken Hokutobu 40 km 3.9 35.8 N 140.6 E2 No tsunami alerts
21:41 JST 03 Sep 2011 Ibaraki-ken Oki 30 km 4.1 36.2 N 141.0 E2 No tsunami alerts
00:14 JST 04 Sep 2011 Oita-ken Chubu 10 km 2.1 33.3 N 131.4 E1 No tsunami alerts
05:17 JST 04 Sep 2011 Fukushima-ken Nakadori 20 km 3.6 37.1 N 140.6 E2 No tsunami alerts
05:48 JST 04 Sep 2011 Oita-ken Chubu 10 km 2.2 33.3 N 131.4 E1 No tsunami alerts
05:53 JST 04 Sep 2011 Saitama-ken Nambu 100 km 4.7 35.9 N 139.6 EUnknNo tsunami alerts
05:53 JST 04 Sep 2011 Saitama-ken Nambu 100 km 4.7 35.9 N 139.6 E3 Intensity correction
08:27 JST 04 Sep 2011 Fukushima-ken Oki 10 km 4.2 37.2 N 141.5 E1 No tsunami alerts
12:25 JST 04 Sep 2011 Miyagi-ken Oki 40 km 3.3 38.8 N 142.1 E1 No tsunami alerts
14:02 JST 04 Sep 2011 Hokkaido Toho-oki very shallow 4.9 43.6 N 148.1 E1 No tsunami alerts
14:25 JST 04 Sep 2011 Ibaraki-ken Oki 10 km 3.9 35.9 N 141.0 E1 No tsunami alerts
16:01 JST 04 Sep 2011 Iwate-ken Oki 40 km 4.3 39.8 N 142.7 E1 No tsunami alerts
17:09 JST 04 Sep 2011 Fukushima-ken Oki 30 km 4.0 37.4 N 141.4 E1 No tsunami alerts
17:52 JST 04 Sep 2011 Nagano-ken Hokubu 20 km 2.8 36.9 N 138.6 E1 No tsunami alerts
20:07 JST 04 Sep 2011 Iwate-ken Oki 50 km 3.2 39.1 N 142.1 E1 No tsunami alerts
21:16 JST 04 Sep 2011 Miyagi-ken Oki 50 km 3.5 38.7 N 142.1 E1 No tsunami alerts
21:22 JST 04 Sep 2011 Miyagi-ken Oki 30 km 4.2 38.5 N 142.2 E1 No tsunami alerts
23:05 JST 04 Sep 2011 Ibaraki-ken Hokubu 60 km 3.7 36.7 N 140.6 E2 No tsunami alerts
02:36 JST 05 Sep 2011 Ibaraki-ken Oki 20 km 4.3 36.8 N 141.4 E1 No tsunami alerts
04:59 JST 05 Sep 2011 Tokara-retto Kinkai 10 km 2.6 29.7 N 129.7 E1 No tsunami alerts
06:31 JST 05 Sep 2011 Ibaraki-ken Oki 40 km 3.5 36.3 N 141.2 E1 No tsunami alerts
11:17 JST 05 Sep 2011 Miyagi-ken Oki 50 km 3.8 38.3 N 141.9 E1 No tsunami alerts
11:43 JST 05 Sep 2011 Fukushima-ken Nakadori 20 km 3.2 37.0 N 140.5 E2 No tsunami alerts
13:57 JST 05 Sep 2011 Miyagi-ken Oki 40 km 4.0 38.4 N 142.2 E1 No tsunami alerts
14:30 JST 05 Sep 2011 Akita-ken Nairiku-nambu 20 km 2.1 39.6 N 140.4 E1 No tsunami alerts
17:04 JST 05 Sep 2011 Ibaraki-ken Oki 40 km 4.4 36.2 N 140.9 E2 No tsunami alerts
17:52 JST 05 Sep 2011 Niigata-ken Chuetsu-chiho very shallow 2.3 37.2 N 139.1 E1 No tsunami alerts
19:51 JST 05 Sep 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.1 32.6 N 130.5 E1 No tsunami alerts
19:55 JST 05 Sep 2011 Fukushima-ken Hamadori 10 km 3.1 37.2 N 141.0 E1 No tsunami alerts
21:03 JST 05 Sep 2011 Chiba-ken Toho-oki 10 km 4.1 35.4 N 141.2 E2 No tsunami alerts
21:14 JST 05 Sep 2011 Fukushima-ken Oki 40 km 4.9 37.5 N 141.5 E3 No tsunami alerts
22:21 JST 05 Sep 2011 Chiba-ken Toho-oki 10 km 3.8 35.3 N 141.3 E1 No tsunami alerts
22:36 JST 05 Sep 2011 Fukushima-ken Oki 40 km 4.2 37.5 N 141.5 E1 No tsunami alerts
03:50 JST 06 Sep 2011 Akita-ken Nairiku-nambu 10 km 2.7 39.6 N 140.4 E2 No tsunami alerts
05:03 JST 06 Sep 2011 Chiba-ken Toho-oki 10 km 3.3 35.7 N 141.0 E2 No tsunami alerts
19:07 JST 06 Sep 2011 Ibaraki-ken Nambu 70 km 3.3 36.0 N 140.1 E1 No tsunami alerts
02:55 JST 07 Sep 2011 Ibaraki-ken Oki 30 km 5.2 36.6 N 141.7 E2 No tsunami alerts
03:03 JST 07 Sep 2011 Ibaraki-ken Oki 20 km 4.3 36.6 N 141.6 E1 No tsunami alerts
04:37 JST 07 Sep 2011 Amami-oshima Kinkai 40 km 3.3 27.7 N 128.9 E1 No tsunami alerts
05:33 JST 07 Sep 2011 Akita-ken Nairiku-nambu 20 km 1.9 39.6 N 140.4 E1 No tsunami alerts
07:27 JST 07 Sep 2011 Urakawa Oki 10 km 4.3 42.2 N 142.5 E4 No tsunami alerts
07:33 JST 07 Sep 2011 Urakawa Oki 10 km 2.5 42.2 N 142.5 E2 No tsunami alerts
07:44 JST 07 Sep 2011 Ibaraki-ken Oki 20 km 4.5 36.6 N 141.9 E2 No tsunami alerts
14:42 JST 07 Sep 2011 Miyagi-ken Oki 50 km 4.5 38.7 N 142.1 E2 No tsunami alerts
15:24 JST 07 Sep 2011 Kumamoto-ken Kumamoto-chiho 10 km 3.4 32.9 N 130.9 E3 No tsunami alerts
17:08 JST 07 Sep 2011 Tokyo-wan 30 km 2.8 35.5 N 140.0 E1 No tsunami alerts
17:28 JST 07 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.6 N 140.6 E2 No tsunami alerts
21:00 JST 07 Sep 2011 Ibaraki-ken Hokubu 60 km 2.9 36.4 N 140.6 E1 No tsunami alerts
22:29 JST 07 Sep 2011 Urakawa Oki very shallow 5.1 42.2 N 142.5 EUnknNo tsunami alerts
22:42 JST 07 Sep 2011 Urakawa Oki very shallow 1.7 42.2 N 142.6 E1 No tsunami alerts
22:56 JST 07 Sep 2011 Nagano-ken Hokubu 10 km 2.3 36.9 N 138.6 E1 No tsunami alerts
23:17 JST 07 Sep 2011 Urakawa Oki very shallow 2.9 42.2 N 142.5 E2 No tsunami alerts
23:26 JST 07 Sep 2011 Miyagi-ken Oki 40 km 4.2 38.4 N 142.2 E1 No tsunami alerts
23:27 JST 07 Sep 2011 Urakawa Oki very shallow 2.4 42.3 N 142.4 E1 No tsunami alerts
23:29 JST 07 Sep 2011 Urakawa Oki very shallow 2.0 42.3 N 142.4 E1 No tsunami alerts
23:33 JST 07 Sep 2011 Urakawa Oki very shallow 2.3 42.2 N 142.5 E1 No tsunami alerts
23:37 JST 07 Sep 2011 Urakawa Oki very shallow 2.9 42.2 N 142.5 EUnknNo tsunami alerts
23:37 JST 07 Sep 2011 Urakawa Oki very shallow 2.9 42.2 N 142.5 E3 Intensity correction
23:44 JST 07 Sep 2011 Urakawa Oki very shallow 2.2 42.2 N 142.5 E1 No tsunami alerts
23:54 JST 07 Sep 2011 Urakawa Oki very shallow 2.8 42.2 N 142.5 E2 No tsunami alerts
00:26 JST 08 Sep 2011 Urakawa Oki very shallow 2.3 42.2 N 142.5 E1 No tsunami alerts
01:30 JST 08 Sep 2011 Urakawa Oki very shallow 2.5 42.2 N 142.5 E1 No tsunami alerts
02:30 JST 08 Sep 2011 Miyagi-ken Oki 50 km 2.6 38.6 N 141.7 E1 No tsunami alerts
03:13 JST 08 Sep 2011 Urakawa Oki very shallow 2.1 42.2 N 142.5 E1 No tsunami alerts
03:17 JST 08 Sep 2011 Urakawa Oki very shallow 2.2 42.2 N 142.5 E1 No tsunami alerts
03:50 JST 08 Sep 2011 Urakawa Oki very shallow 3.3 42.2 N 142.5 EUnknNo tsunami alerts
04:54 JST 08 Sep 2011 Urakawa Oki very shallow 2.1 42.2 N 142.6 E1 No tsunami alerts
05:48 JST 08 Sep 2011 Ibaraki-ken Hokubu 10 km 3.9 36.7 N 140.6 E2 No tsunami alerts
06:35 JST 08 Sep 2011 Iwate-ken Oki 30 km 3.9 40.1 N 142.5 E1 No tsunami alerts
07:00 JST 08 Sep 2011 Iwate-ken Oki 30 km 3.5 39.2 N 142.4 E1 No tsunami alerts
07:23 JST 08 Sep 2011 Urakawa Oki 10 km 1.9 42.1 N 142.6 E1 No tsunami alerts
08:16 JST 08 Sep 2011 Urakawa Oki very shallow 2.4 42.2 N 142.5 E1 No tsunami alerts
08:38 JST 08 Sep 2011 Urakawa Oki very shallow 2.1 42.2 N 142.6 E1 No tsunami alerts
08:42 JST 08 Sep 2011 Urakawa Oki very shallow 1.8 42.2 N 142.5 E1 No tsunami alerts
09:12 JST 08 Sep 2011 Ibaraki-ken Oki 40 km 3.7 36.2 N 141.1 E1 No tsunami alerts
11:14 JST 08 Sep 2011 Urakawa Oki very shallow 2.0 42.2 N 142.5 E1 No tsunami alerts
12:27 JST 08 Sep 2011 Urakawa Oki very shallow 2.7 42.2 N 142.5 E1 No tsunami alerts
12:46 JST 08 Sep 2011 Urakawa Oki very shallow 1.8 42.2 N 142.5 E1 No tsunami alerts
13:44 JST 08 Sep 2011 Izu-hanto Toho-oki 10 km 2.7 35.0 N 139.1 E1 No tsunami alerts
13:50 JST 08 Sep 2011 Nagano-ken Hokubu 10 km 2.8 36.5 N 138.1 E1 No tsunami alerts
16:09 JST 08 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
16:30 JST 08 Sep 2011 Hidaka-chiho Chubu very shallow 1.7 42.3 N 142.6 E1 No tsunami alerts
16:44 JST 08 Sep 2011 Chiba-ken Toho-oki very shallow 3.2 35.8 N 140.9 E1 No tsunami alerts
16:57 JST 08 Sep 2011 Ibaraki-ken Oki 40 km 3.4 36.2 N 141.0 E1 No tsunami alerts
16:57 JST 08 Sep 2011 Miyagi-ken Oki 40 km 4.2 38.5 N 141.9 E1 No tsunami alerts
17:14 JST 08 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
17:22 JST 08 Sep 2011 Ibaraki-ken Nambu 40 km 3.5 36.0 N 140.3 E2 No tsunami alerts
17:25 JST 08 Sep 2011 Urakawa Oki very shallow 2.0 42.3 N 142.4 E1 No tsunami alerts
18:02 JST 08 Sep 2011 Urakawa Oki very shallow 3.1 42.2 N 142.5 E3 No tsunami alerts
19:25 JST 08 Sep 2011 Ibaraki-ken Oki 10 km 2.6 36.6 N 140.7 E1 No tsunami alerts
19:58 JST 08 Sep 2011 Kagawa-ken Seibu 10 km 3.7 34.1 N 133.7 E3 No tsunami alerts
22:38 JST 08 Sep 2011 Fukushima-ken Oki 30 km 5.2 37.3 N 141.9 E3 No tsunami alerts
00:46 JST 09 Sep 2011 Urakawa Oki very shallow 2.6 42.2 N 142.5 E2 No tsunami alerts
01:04 JST 09 Sep 2011 Urakawa Oki very shallow 2.0 42.2 N 142.5 E1 No tsunami alerts
02:14 JST 09 Sep 2011 Urakawa Oki very shallow 2.9 42.2 N 142.5 E2 No tsunami alerts
02:18 JST 09 Sep 2011 Miyagi-ken Oki 60 km 3.2 38.5 N 141.7 E2 No tsunami alerts
02:18 JST 09 Sep 2011 Urakawa Oki very shallow 2.0 42.2 N 142.5 E1 No tsunami alerts
02:42 JST 09 Sep 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.8 E1 No tsunami alerts
05:58 JST 09 Sep 2011 Fukushima-ken Oki 20 km 4.4 37.1 N 142.2 E1 No tsunami alerts
06:52 JST 09 Sep 2011 Urakawa Oki 10 km 2.9 42.2 N 142.5 E3 No tsunami alerts
07:06 JST 09 Sep 2011 Iwate-ken Oki 20 km 4.7 39.8 N 142.3 E3 No tsunami alerts
07:14 JST 09 Sep 2011 Ibaraki-ken Oki very shallow 3.3 35.9 N 141.0 E1 No tsunami alerts
10:46 JST 09 Sep 2011 Ibaraki-ken Nambu 50 km 3.1 36.2 N 140.1 E1 No tsunami alerts
15:12 JST 09 Sep 2011 Ibaraki-ken Hokubu 10 km 2.6 36.7 N 140.7 E1 No tsunami alerts
16:25 JST 09 Sep 2011 Mie-ken Hokubu 40 km 2.9 34.9 N 136.6 E1 No tsunami alerts
20:24 JST 09 Sep 2011 Iwate-ken Oki 50 km 3.3 39.1 N 142.2 E1 No tsunami alerts
23:29 JST 09 Sep 2011 Ibaraki-ken Hokubu 20 km 4.0 36.8 N 140.6 E2 No tsunami alerts
23:40 JST 09 Sep 2011 Iwate-ken Oki 50 km 4.0 39.1 N 142.1 E2 No tsunami alerts
00:51 JST 10 Sep 2011 Urakawa Oki very shallow 3.4 42.2 N 142.5 E3 No tsunami alerts
01:01 JST 10 Sep 2011 Urakawa Oki very shallow 2.6 42.2 N 142.5 E1 No tsunami alerts
01:10 JST 10 Sep 2011 Urakawa Oki very shallow 2.3 42.2 N 142.5 E1 No tsunami alerts
07:21 JST 10 Sep 2011 Ibaraki-ken Oki 40 km 3.1 36.3 N 141.1 E1 No tsunami alerts
15:00 JST 10 Sep 2011 Ibaraki-ken Oki 50 km 4.8 36.4 N 140.7 EUnknNo tsunami alerts
15:22 JST 10 Sep 2011 Fukushima-ken Oki 10 km 4.5 36.7 N 142.3 E1 No tsunami alerts
15:57 JST 10 Sep 2011 Ibaraki-ken Oki 10 km 3.1 36.5 N 140.7 E1 No tsunami alerts
17:19 JST 10 Sep 2011 Miyagi-ken Oki 30 km 3.5 38.4 N 142.1 E1 No tsunami alerts
17:36 JST 10 Sep 2011 Urakawa Oki very shallow 3.2 42.2 N 142.5 E3 No tsunami alerts
17:54 JST 10 Sep 2011 Fukushima-ken Hamadori 20 km 3.5 37.0 N 140.6 E2 No tsunami alerts
18:47 JST 10 Sep 2011 Urakawa Oki 10 km 3.2 42.2 N 142.5 E2 No tsunami alerts
19:01 JST 10 Sep 2011 Iwate-ken Oki 40 km 3.9 39.3 N 142.3 E2 No tsunami alerts
21:21 JST 10 Sep 2011 Miyakojima Kinkai 50 km 3.9 25.1 N 125.6 E1 No tsunami alerts
22:10 JST 10 Sep 2011 Ibaraki-ken Hokubu very shallow 2.6 36.6 N 140.6 E1 No tsunami alerts
23:17 JST 10 Sep 2011 Izu-hanto Toho-oki 10 km 2.9 34.9 N 139.2 E1 No tsunami alerts
02:33 JST 11 Sep 2011 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.6 E1 No tsunami alerts
03:35 JST 11 Sep 2011 Chiba-ken Toho-oki 20 km 3.8 35.8 N 140.9 E2 No tsunami alerts
05:38 JST 11 Sep 2011 Fukushima-ken Oki 50 km 4.3 37.7 N 141.8 E1 No tsunami alerts
08:14 JST 11 Sep 2011 Aomori-ken Toho-oki 30 km 4.2 41.1 N 143.2 E1 No tsunami alerts
09:20 JST 11 Sep 2011 Fukushima-ken Oki 20 km 4.0 37.2 N 141.7 E1 No tsunami alerts
09:40 JST 11 Sep 2011 Urakawa Oki very shallow 2.3 42.2 N 142.5 E1 No tsunami alerts
10:29 JST 11 Sep 2011 Ibaraki-ken Oki 50 km 3.2 36.6 N 141.0 E1 No tsunami alerts
16:58 JST 11 Sep 2011 Iwate-ken Oki 50 km 3.3 39.7 N 142.1 E1 No tsunami alerts
17:33 JST 11 Sep 2011 Ibaraki-ken Hokubu very shallow 2.7 36.7 N 140.6 E1 No tsunami alerts
17:41 JST 11 Sep 2011 Ibaraki-ken Hokubu 10 km 2.3 36.7 N 140.6 E1 No tsunami alerts
18:22 JST 11 Sep 2011 Miyagi-ken Oki 40 km 3.5 38.6 N 142.2 E1 No tsunami alerts
19:09 JST 11 Sep 2011 Chiba-ken Hokuseibu 80 km 4.2 35.6 N 140.1 E3 No tsunami alerts
20:33 JST 11 Sep 2011 Kii-suido 10 km 3.2 33.7 N 135.3 E2 No tsunami alerts
00:14 JST 12 Sep 2011 Miyagi-ken Oki 50 km 3.6 38.8 N 142.1 E1 No tsunami alerts
01:29 JST 12 Sep 2011 Iwate-ken Oki 30 km 3.7 39.0 N 142.4 E1 No tsunami alerts
06:48 JST 12 Sep 2011 Chiba-ken Hokuseibu 80 km 3.7 35.6 N 140.1 E1 No tsunami alerts
07:31 JST 12 Sep 2011 Fukushima-ken Oki 10 km 4.3 36.7 N 142.2 E1 No tsunami alerts
08:20 JST 12 Sep 2011 Ibaraki-ken Oki 30 km 4.4 36.6 N 141.6 E1 No tsunami alerts
11:38 JST 12 Sep 2011 Yamagata-ken Okitama-chiho 10 km 3.1 37.8 N 140.0 E1 No tsunami alerts
14:15 JST 12 Sep 2011 Yonagunijima Kinkai 10 km 4.7 23.6 N 122.8 E1 No tsunami alerts
20:30 JST 12 Sep 2011 Fukushima-ken Oki 30 km 4.2 36.9 N 141.6 E1 No tsunami alerts
21:29 JST 12 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
23:22 JST 12 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
23:26 JST 12 Sep 2011 Yamagata-ken Okitama-chiho 10 km 2.8 37.8 N 140.0 E1 No tsunami alerts
23:59 JST 12 Sep 2011 Fukushima-ken Oki 50 km 3.2 36.9 N 141.3 E1 No tsunami alerts
00:26 JST 13 Sep 2011 Chiba-ken Toho-oki 30 km 4.4 35.6 N 141.1 E2 No tsunami alerts
01:14 JST 13 Sep 2011 Miyagi-ken Oki 40 km 4.3 38.3 N 142.2 E2 No tsunami alerts
01:50 JST 13 Sep 2011 Hidaka-chiho Seibu 100 km 4.5 42.7 N 142.5 E3 No tsunami alerts
02:42 JST 13 Sep 2011 Ibaraki-ken Oki 50 km 4.4 36.6 N 140.9 E4 No tsunami alerts
10:22 JST 13 Sep 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E3 No tsunami alerts
10:34 JST 13 Sep 2011 Miyagi-ken Oki 50 km 4.0 38.9 N 142.0 E2 No tsunami alerts
12:00 JST 13 Sep 2011 Fukushima-ken Hamadori very shallow 2.5 37.1 N 140.7 E1 No tsunami alerts
18:10 JST 13 Sep 2011 Chiba-ken Toho-oki 20 km 4.5 35.2 N 141.3 E1 No tsunami alerts
21:15 JST 13 Sep 2011 Ibaraki-ken Hokubu 10 km 3.4 36.8 N 140.6 E1 No tsunami alerts
23:14 JST 13 Sep 2011 Miyagi-ken Oki 40 km 4.6 38.9 N 142.4 E3 No tsunami alerts
02:02 JST 14 Sep 2011 Amami-oshima Kinkai 20 km 3.2 28.0 N 129.3 E1 No tsunami alerts
03:07 JST 14 Sep 2011 Fukushima-ken Nakadori 20 km 3.6 37.1 N 140.6 E2 No tsunami alerts
04:21 JST 14 Sep 2011 Ibaraki-ken Hokubu 10 km 4.0 36.7 N 140.7 E3 No tsunami alerts
04:30 JST 14 Sep 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
07:09 JST 14 Sep 2011 Okinawa-honto Hokusei-oki 100 km 4.1 27.0 N 127.3 E2 No tsunami alerts
13:34 JST 14 Sep 2011 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E1 No tsunami alerts
16:31 JST 14 Sep 2011 Miyakojima Kinkai 30 km 3.7 24.7 N 125.2 E1 No tsunami alerts
19:59 JST 14 Sep 2011 Ibaraki-ken Oki 30 km 3.9 36.7 N 141.5 E1 No tsunami alerts
21:52 JST 14 Sep 2011 Chiba-ken Hokuseibu 10 km 3.0 35.6 N 140.2 E2 No tsunami alerts
23:56 JST 14 Sep 2011 Fukushima-ken Oki 50 km 4.5 37.7 N 141.8 E3 No tsunami alerts
04:24 JST 15 Sep 2011 Urakawa Oki very shallow 3.1 42.2 N 142.5 E3 No tsunami alerts
07:48 JST 15 Sep 2011 Urakawa Oki very shallow 2.5 42.2 N 142.5 E1 No tsunami alerts
09:00 JST 15 Sep 2011 Miyagi-ken Oki 30 km 3.9 38.8 N 142.2 E2 No tsunami alerts
09:12 JST 15 Sep 2011 Wakayama-ken Hokubu 10 km 2.5 34.2 N 135.2 E2 No tsunami alerts
11:14 JST 15 Sep 2011 Miyagi-ken Oki 40 km 4.0 38.3 N 142.1 E1 No tsunami alerts
16:43 JST 15 Sep 2011 Fukushima-ken Aizu 10 km 2.4 37.7 N 139.9 E1 No tsunami alerts
17:00 JST 15 Sep 2011 Ibaraki-ken Oki 10 km 6.2 36.3 N 141.6 E4  
17:00 JST 15 Sep 2011 Ibaraki-ken Oki 10 km 6.2 36.3 N 141.6 E4 Intensity correction
20:19 JST 15 Sep 2011 Fukushima-ken Hamadori 10 km 3.4 36.9 N 140.8 E1 No tsunami alerts
21:17 JST 15 Sep 2011 Iwate-ken Oki 50 km 3.7 39.7 N 142.2 E1 No tsunami alerts
23:25 JST 15 Sep 2011 Iwate-ken Oki 50 km 4.1 39.7 N 142.3 E2 No tsunami alerts
23:30 JST 15 Sep 2011 Ibaraki-ken Hokubu 10 km 2.2 36.7 N 140.6 E1 No tsunami alerts
01:38 JST 16 Sep 2011 Miyagi-ken Oki 30 km 3.6 38.4 N 142.1 E1 No tsunami alerts
02:38 JST 16 Sep 2011 Urakawa Oki very shallow 1.8 42.2 N 142.6 E1 No tsunami alerts
03:36 JST 16 Sep 2011 Ibaraki-ken Oki 10 km 3.4 36.0 N 141.2 E1 No tsunami alerts
03:40 JST 16 Sep 2011 Miyagi-ken Oki 50 km 3.5 38.4 N 141.9 E1 No tsunami alerts
05:26 JST 16 Sep 2011 Ibaraki-ken Oki 10 km 4.6 36.3 N 141.6 E1 No tsunami alerts
05:36 JST 16 Sep 2011 Ibaraki-ken Oki 10 km 4.5 36.3 N 141.6 E1 No tsunami alerts
06:04 JST 16 Sep 2011 Nagano-ken Hokubu very shallow 2.7 36.4 N 137.7 E1 No tsunami alerts
07:15 JST 16 Sep 2011 Nara-ken 70 km 4.3 34.1 N 135.6 E3 No tsunami alerts
07:39 JST 16 Sep 2011 Miyagi-ken Oki 60 km 4.0 38.2 N 141.9 E2 No tsunami alerts
08:50 JST 16 Sep 2011 Tochigi-ken Hokubu very shallow 2.8 36.9 N 139.4 E1 No tsunami alerts
11:03 JST 16 Sep 2011 Fukushima-ken Hamadori 10 km 4.4 37.0 N 140.7 EUnknNo tsunami alerts
14:22 JST 16 Sep 2011 Ibaraki-ken Oki 50 km 3.7 36.8 N 141.2 E1 No tsunami alerts
14:27 JST 16 Sep 2011 Chiba-ken Toho-oki 30 km 4.5 35.6 N 141.1 E2 No tsunami alerts
14:32 JST 16 Sep 2011 Miyagi-ken Oki 50 km 4.4 38.3 N 141.9 E2 No tsunami alerts
17:27 JST 16 Sep 2011 Fukushima-ken Nakadori 20 km 2.5 37.1 N 140.5 E1 No tsunami alerts
17:55 JST 16 Sep 2011 Fukushima-ken Oki 20 km 3.5 37.1 N 141.3 E1 No tsunami alerts
23:35 JST 16 Sep 2011 Ibaraki-ken Hokubu 20 km 3.2 36.8 N 140.6 E1 No tsunami alerts
04:26 JST 17 Sep 2011 Iwate-ken Oki 20 km 6.3 40.2 N 142.9 E4  
04:40 JST 17 Sep 2011 Sanriku Oki 10 km 5.5 40.3 N 143.6 E2  
05:11 JST 17 Sep 2011 Sanriku Oki 10 km 5.5 40.3 N 143.4 E2  
05:16 JST 17 Sep 2011 Sanriku Oki 10 km 4.5 40.2 N 143.2 E1  
06:08 JST 17 Sep 2011 Iwate-ken Oki 20 km 5.9 40.2 N 143.0 E3  
06:28 JST 17 Sep 2011 Fukushima-ken Oki 30 km 3.9 37.1 N 141.7 E1 No tsunami alerts
06:36 JST 17 Sep 2011 Sanriku Oki 10 km 5.7 40.2 N 143.3 E3  
06:42 JST 17 Sep 2011 Miyagi-ken Oki 40 km 4.2 38.2 N 141.8 E2 No tsunami alerts
07:41 JST 17 Sep 2011 Sanriku Oki 10 km 5.7 40.3 N 143.3 E3 No tsunami alerts
10:19 JST 17 Sep 2011 Sanriku Oki 10 km 4.8 40.2 N 143.1 E1 No tsunami alerts
14:49 JST 17 Sep 2011 Chiba-ken Hokutobu 40 km 3.4 35.8 N 140.6 E1 No tsunami alerts
16:34 JST 17 Sep 2011 Iwate-ken Oki 10 km 5.6 40.3 N 143.0 E3 No tsunami alerts
18:04 JST 17 Sep 2011 Ibaraki-ken Oki 40 km 4.2 36.3 N 141.0 E2 No tsunami alerts
22:04 JST 17 Sep 2011 Urakawa Oki 10 km 2.2 42.1 N 142.5 E1 No tsunami alerts
23:33 JST 17 Sep 2011 Ibaraki-ken Oki 40 km 3.6 36.2 N 140.9 E1 No tsunami alerts
00:13 JST 18 Sep 2011 Miyagi-ken Oki 50 km 4.3 38.3 N 141.9 E3 No tsunami alerts
00:45 JST 18 Sep 2011 Nagano-ken Hokubu 20 km 3.1 36.8 N 138.6 E1 No tsunami alerts
01:45 JST 18 Sep 2011 Ibaraki-ken Oki 40 km 3.7 36.2 N 141.0 E1 No tsunami alerts
02:55 JST 18 Sep 2011 Sanriku Oki 10 km 5.3 40.3 N 143.3 E2 No tsunami alerts
09:55 JST 18 Sep 2011 Miyagi-ken Oki 40 km 4.1 38.3 N 142.2 E1 No tsunami alerts
12:28 JST 18 Sep 2011 Akita-ken Nairiku-nambu 10 km 4.0 39.6 N 140.5 E3 No tsunami alerts
12:34 JST 18 Sep 2011 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E1 No tsunami alerts
16:02 JST 18 Sep 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
16:04 JST 18 Sep 2011 Sanriku Oki 10 km 5.9 39.9 N 143.3 E3 No tsunami alerts
18:09 JST 18 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 36.9 N 140.8 E1 No tsunami alerts
18:27 JST 18 Sep 2011 Miyagi-ken Oki 50 km 2.9 38.7 N 141.8 E1 No tsunami alerts
19:39 JST 18 Sep 2011 Urakawa Oki 60 km 4.9 42.0 N 142.4 E4 No tsunami alerts
20:50 JST 18 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
21:17 JST 18 Sep 2011 Ibaraki-ken Oki 40 km 3.4 36.4 N 141.0 E1 No tsunami alerts
22:03 JST 18 Sep 2011 Fukushima-ken Oki 40 km 4.6 37.3 N 141.8 E2 No tsunami alerts
00:31 JST 19 Sep 2011 Fukushima-ken Hamadori 10 km 3.6 37.1 N 140.9 E2 No tsunami alerts
00:35 JST 19 Sep 2011 Fukushima-ken Hamadori 10 km 2.4 37.1 N 140.9 E1 No tsunami alerts
00:47 JST 19 Sep 2011 Nagano-ken Hokubu 10 km 2.8 36.6 N 138.3 E1 No tsunami alerts
00:53 JST 19 Sep 2011 Shizuoka-ken Tobu 10 km 2.2 35.3 N 138.7 E1 No tsunami alerts
00:59 JST 19 Sep 2011 Fukushima-ken Oki 50 km 4.3 37.7 N 141.8 E1 No tsunami alerts
03:32 JST 19 Sep 2011 Fukushima-ken Oki 50 km 5.1 37.8 N 141.6 E3 No tsunami alerts
06:23 JST 19 Sep 2011 Osaka-fu Nambu very shallow 2.5 34.3 N 135.2 E1 No tsunami alerts
08:22 JST 19 Sep 2011 Okinawa-honto Kinkai 60 km 3.3 26.0 N 126.8 E1 No tsunami alerts
10:38 JST 19 Sep 2011 Miyagi-ken Oki 60 km 3.6 38.3 N 141.8 E1 No tsunami alerts
15:28 JST 19 Sep 2011 Ibaraki-ken Oki 40 km 3.5 36.3 N 141.1 E1 No tsunami alerts
18:12 JST 19 Sep 2011 Ibaraki-ken Oki 50 km 3.3 36.5 N 140.9 E1 No tsunami alerts
18:36 JST 19 Sep 2011 Ibaraki-ken Nambu 50 km 4.0 36.1 N 140.3 E2 No tsunami alerts
18:50 JST 19 Sep 2011 Ibaraki-ken Oki 30 km 3.5 36.1 N 141.4 E1 No tsunami alerts
01:27 JST 20 Sep 2011 Iwate-ken Oki 60 km 3.8 39.1 N 142.0 E1 No tsunami alerts
03:09 JST 20 Sep 2011 Miyagi-ken Nambu 20 km 2.9 38.2 N 140.8 E1 No tsunami alerts
03:39 JST 20 Sep 2011 Ibaraki-ken Oki 50 km 4.0 36.5 N 141.1 E1 No tsunami alerts
04:04 JST 20 Sep 2011 Amami-oshima Kinkai 40 km 3.0 27.9 N 129.0 E1 No tsunami alerts
05:37 JST 20 Sep 2011 Fukushima-ken Oki 40 km 4.0 37.6 N 141.8 E1 No tsunami alerts
06:35 JST 20 Sep 2011 Fukushima-ken Nakadori 10 km 2.8 37.1 N 140.5 E1 No tsunami alerts
07:08 JST 20 Sep 2011 Tochigi-ken Nambu 70 km 3.7 36.4 N 140.0 E1 No tsunami alerts
07:16 JST 20 Sep 2011 Miyagi-ken Oki 60 km 2.7 38.5 N 141.7 E1 No tsunami alerts
14:50 JST 20 Sep 2011 Ibaraki-ken Oki 40 km 3.5 36.4 N 141.1 E1 No tsunami alerts
15:13 JST 20 Sep 2011 Chiba-ken Toho-oki very shallow 3.6 35.8 N 141.0 E1 No tsunami alerts
15:43 JST 20 Sep 2011 Chiba-ken Toho-oki 20 km 3.4 35.7 N 141.1 E1 No tsunami alerts
18:20 JST 20 Sep 2011 Fukushima-ken Oki 20 km 3.8 37.2 N 141.3 E2 No tsunami alerts
19:37 JST 20 Sep 2011 Tochigi-ken Hokubu very shallow 2.5 36.8 N 139.4 E1 No tsunami alerts
21:16 JST 20 Sep 2011 Fukushima-ken Hamadori 10 km 2.4 37.1 N 140.8 E1 No tsunami alerts
23:59 JST 20 Sep 2011 Chiba-ken Toho-oki 60 km 3.7 35.7 N 140.8 E2 No tsunami alerts
00:46 JST 21 Sep 2011 Miyagi-ken Oki 30 km 4.1 38.9 N 142.6 E2 No tsunami alerts
01:38 JST 21 Sep 2011 Chiba-ken Toho-oki 20 km 3.2 35.7 N 141.0 E1 No tsunami alerts
04:37 JST 21 Sep 2011 Fukushima-ken Oki 50 km 3.8 36.9 N 141.2 E2 No tsunami alerts
05:41 JST 21 Sep 2011 Fukui-ken Reihoku 10 km 3.2 35.9 N 136.3 E1 No tsunami alerts
05:59 JST 21 Sep 2011 Miyagi-ken Oki 50 km 4.7 38.5 N 141.8 E3 No tsunami alerts
12:27 JST 21 Sep 2011 Sado Fukin 10 km 2.9 38.1 N 138.5 E1 No tsunami alerts
13:14 JST 21 Sep 2011 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E2 No tsunami alerts
14:37 JST 21 Sep 2011 Hidaka-chiho Chubu 10 km 1.2 42.3 N 142.6 E1 No tsunami alerts
18:48 JST 21 Sep 2011 Tachibana-wan 10 km 2.4 32.7 N 130.0 E1 No tsunami alerts
19:54 JST 21 Sep 2011 Iwate-ken Oki 40 km 3.4 40.4 N 142.3 E1 No tsunami alerts
22:30 JST 21 Sep 2011 Ibaraki-ken Hokubu 10 km 5.3 36.7 N 140.6 EUnknNo tsunami alerts
22:30 JST 21 Sep 2011 Ibaraki-ken Hokubu 10 km 5.3 36.7 N 140.6 E5 lower Intensity correction
23:19 JST 21 Sep 2011 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
23:39 JST 21 Sep 2011 Ibaraki-ken Hokubu very shallow 2.7 36.8 N 140.6 E1 No tsunami alerts
01:35 JST 22 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
05:48 JST 22 Sep 2011 Ibaraki-ken Hokubu 20 km 3.0 36.8 N 140.7 E1 No tsunami alerts
06:38 JST 22 Sep 2011 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.6 E1 No tsunami alerts
07:09 JST 22 Sep 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.7 E1 No tsunami alerts
07:26 JST 22 Sep 2011 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.6 E1 No tsunami alerts
08:16 JST 22 Sep 2011 Kushiro Oki 40 km 3.8 42.9 N 145.5 E2 No tsunami alerts
09:50 JST 22 Sep 2011 Chiba-ken Toho-oki 10 km 3.8 35.7 N 141.0 E1 No tsunami alerts
13:02 JST 22 Sep 2011 Kyoto-fu Nambu 10 km 2.5 35.0 N 135.6 E1 No tsunami alerts
14:22 JST 22 Sep 2011 Fukushima-ken Oki 50 km 3.7 36.9 N 141.1 E1 No tsunami alerts
14:46 JST 22 Sep 2011 Ibaraki-ken Oki 30 km 4.7 36.8 N 141.4 E3 No tsunami alerts
15:35 JST 22 Sep 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
19:43 JST 22 Sep 2011 Ibaraki-ken Oki 30 km 4.1 36.2 N 141.1 E2 No tsunami alerts
22:43 JST 22 Sep 2011 Fukushima-ken Nakadori 20 km 2.8 36.9 N 140.5 E1 No tsunami alerts
04:03 JST 23 Sep 2011 Miyagi-ken Chubu 10 km 2.0 38.3 N 140.7 E1 No tsunami alerts
04:59 JST 23 Sep 2011 Fukushima-ken Oki 30 km 4.7 37.3 N 141.6 E3  
04:59 JST 23 Sep 2011 Fukushima-ken Oki 30 km 4.7 37.3 N 141.6 E3 Intensity correction
05:15 JST 23 Sep 2011 Chichijima Kinkai 10 km 4.6 27.5 N 143.0 E1 No tsunami alerts
08:57 JST 23 Sep 2011 Fukushima-ken Nakadori 90 km 3.4 37.4 N 140.6 E1 No tsunami alerts
10:16 JST 23 Sep 2011 Chiba-ken Toho-oki 40 km 4.2 35.5 N 141.1 E1 No tsunami alerts
14:41 JST 23 Sep 2011 Miyagi-ken Oki 50 km 3.9 38.9 N 142.0 E2 No tsunami alerts
17:15 JST 23 Sep 2011 Ibaraki-ken Hokubu very shallow 5.1 36.7 N 140.6 E4 No tsunami alerts
18:34 JST 23 Sep 2011 Ibaraki-ken Hokubu 10 km 2.6 36.7 N 140.7 E1 No tsunami alerts
18:47 JST 23 Sep 2011 Ibaraki-ken Hokubu very shallow 3.4 36.7 N 140.7 E2 No tsunami alerts
20:42 JST 23 Sep 2011 Ibaraki-ken Hokubu very shallow 2.8 36.7 N 140.7 E1 No tsunami alerts
22:09 JST 23 Sep 2011 Miyagi-ken Oki 50 km 3.8 38.6 N 141.9 E2 No tsunami alerts
22:12 JST 23 Sep 2011 Iwate-ken Oki 50 km 5.0 39.3 N 142.0 EUnknNo tsunami alerts
00:23 JST 24 Sep 2011 Miyagi-ken Oki 30 km 3.9 38.9 N 142.4 E1 No tsunami alerts
02:48 JST 24 Sep 2011 Ibaraki-ken Hokubu very shallow 3.7 36.7 N 140.7 E3 No tsunami alerts
02:50 JST 24 Sep 2011 Ibaraki-ken Oki very shallow 3.3 36.7 N 140.8 E1 No tsunami alerts
05:19 JST 24 Sep 2011 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
09:08 JST 24 Sep 2011 Iwate-ken Oki 20 km 4.6 40.1 N 142.8 E1 No tsunami alerts
09:56 JST 24 Sep 2011 Urakawa Oki very shallow 2.7 42.2 N 142.5 E2 No tsunami alerts
12:29 JST 24 Sep 2011 Iwate-ken Oki 40 km 3.5 39.1 N 142.2 E1 No tsunami alerts
14:09 JST 24 Sep 2011 Miyagi-ken Oki 40 km 4.3 38.8 N 142.5 E1 No tsunami alerts
15:20 JST 24 Sep 2011 Hidaka-chiho Chubu very shallow 2.0 42.3 N 142.7 E1 No tsunami alerts
20:17 JST 24 Sep 2011 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E2 No tsunami alerts
23:51 JST 24 Sep 2011 Fukushima-ken Aizu 10 km 2.7 37.7 N 139.9 E2 No tsunami alerts
00:06 JST 25 Sep 2011 Fukushima-ken Oki 20 km 4.1 37.2 N 141.7 E1 No tsunami alerts
00:10 JST 25 Sep 2011 Nagano-ken Hokubu 20 km 3.0 36.8 N 138.6 E1 No tsunami alerts
03:12 JST 25 Sep 2011 Fukushima-ken Hamadori very shallow 3.5 37.1 N 140.9 E2 No tsunami alerts
03:14 JST 25 Sep 2011 Fukushima-ken Hamadori very shallow 3.0 37.1 N 140.9 E1 No tsunami alerts
03:37 JST 25 Sep 2011 Nagano-ken Nambu 10 km 2.5 35.8 N 137.5 E1 No tsunami alerts
04:11 JST 25 Sep 2011 Fukushima-ken Oki 30 km 3.5 37.4 N 141.4 E1 No tsunami alerts
04:29 JST 25 Sep 2011 Miyagi-ken Hokubu 60 km 3.2 38.9 N 141.6 E1 No tsunami alerts
06:12 JST 25 Sep 2011 Fukushima-ken Hamadori very shallow 3.0 37.1 N 140.9 E1 No tsunami alerts
06:56 JST 25 Sep 2011 Fukushima-ken Hamadori very shallow 3.4 37.1 N 140.9 E2 No tsunami alerts
06:57 JST 25 Sep 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
10:58 JST 25 Sep 2011 Fukushima-ken Hamadori 10 km 3.4 37.1 N 140.9 E3 No tsunami alerts
12:18 JST 25 Sep 2011 Miyagi-ken Chubu 10 km 1.9 38.3 N 140.7 E1 No tsunami alerts
12:29 JST 25 Sep 2011 Chiba-ken Toho-oki 20 km 4.1 35.4 N 141.1 E2 No tsunami alerts
13:16 JST 25 Sep 2011 Yamagata-ken Okitama-chiho very shallow 3.3 37.8 N 140.0 E1 No tsunami alerts
13:18 JST 25 Sep 2011 Tokachi Oki 30 km 4.9 41.9 N 144.4 E2 No tsunami alerts
13:23 JST 25 Sep 2011 Yamagata-ken Okitama-chiho 10 km 2.8 37.8 N 140.0 E1 No tsunami alerts
15:09 JST 25 Sep 2011 Ibaraki-ken Nambu 50 km 3.5 36.1 N 139.9 E2 No tsunami alerts
15:35 JST 25 Sep 2011 Iwate-ken Oki 20 km 3.0 40.2 N 141.9 E1 No tsunami alerts
19:58 JST 25 Sep 2011 Ibaraki-ken Hokubu 10 km 2.7 36.7 N 140.6 E1 No tsunami alerts
20:56 JST 25 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E1 No tsunami alerts
23:10 JST 25 Sep 2011 Akita-ken Nairiku-nambu 10 km 2.1 39.6 N 140.4 E1 No tsunami alerts
00:31 JST 26 Sep 2011 Miyagi-ken Oki 40 km 3.7 38.7 N 142.2 E1 No tsunami alerts
05:25 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.6 E1 No tsunami alerts
06:21 JST 26 Sep 2011 Miyagi-ken Oki 60 km 3.1 38.4 N 141.8 E1 No tsunami alerts
07:30 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 4.0 36.7 N 140.7 E3 No tsunami alerts
07:43 JST 26 Sep 2011 Ibaraki-ken Oki 10 km 4.0 36.5 N 141.0 E2 No tsunami alerts
09:13 JST 26 Sep 2011 Nagano-ken Chubu 10 km 2.5 36.1 N 137.6 E1 No tsunami alerts
09:40 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 2.5 36.6 N 140.6 E1 No tsunami alerts
11:44 JST 26 Sep 2011 Miyagi-ken Oki 50 km 3.1 38.9 N 142.0 E1 No tsunami alerts
14:39 JST 26 Sep 2011 Fukushima-ken Aizu 10 km 4.0 37.7 N 139.9 E3 No tsunami alerts
16:02 JST 26 Sep 2011 Tokachi-chiho Nambu 50 km 3.2 42.6 N 143.5 E1 No tsunami alerts
16:24 JST 26 Sep 2011 Fukushima-ken Aizu 10 km 2.1 37.6 N 139.9 E1 No tsunami alerts
16:49 JST 26 Sep 2011 Urakawa Oki very shallow 4.3 42.2 N 142.5 E4 No tsunami alerts
17:20 JST 26 Sep 2011 Fukushima-ken Aizu 10 km 4.1 37.7 N 139.9 E4 No tsunami alerts
17:25 JST 26 Sep 2011 Fukushima-ken Aizu 10 km 2.4 37.7 N 139.9 E1 No tsunami alerts
17:35 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
19:12 JST 26 Sep 2011 Miyagi-ken Oki 50 km 3.5 38.4 N 141.8 E1 No tsunami alerts
22:46 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 4.3 36.7 N 140.7 E4 No tsunami alerts
22:50 JST 26 Sep 2011 Ibaraki-ken Hokubu 10 km 2.5 36.7 N 140.7 E1 No tsunami alerts
02:30 JST 27 Sep 2011 Ibaraki-ken Hokubu 20 km 4.0 36.8 N 140.7 E2 No tsunami alerts
05:46 JST 27 Sep 2011 Fukushima-ken Aizu 10 km 2.5 37.7 N 139.9 E1 No tsunami alerts
12:04 JST 27 Sep 2011 Miyagi-ken Oki 40 km 4.2 37.8 N 142.1 E1 No tsunami alerts
12:56 JST 27 Sep 2011 Ibaraki-ken Hokubu 10 km 4.0 36.8 N 140.7 E2 No tsunami alerts
14:06 JST 27 Sep 2011 Akita-ken Nairiku-nambu 20 km 1.8 39.6 N 140.6 E1 No tsunami alerts
16:22 JST 27 Sep 2011 Aomori-ken Sampachi-Kamikita-chiho 10 km 2.8 40.3 N 141.0 E1 No tsunami alerts
00:19 JST 28 Sep 2011 Ibaraki-ken Hokubu 10 km 3.7 36.8 N 140.6 E2 No tsunami alerts
00:57 JST 28 Sep 2011 Chiba-ken Hokutobu 20 km 2.8 35.9 N 140.5 E1 No tsunami alerts
02:37 JST 28 Sep 2011 Fukushima-ken Nakadori 20 km 2.5 37.1 N 140.6 E1 No tsunami alerts
04:48 JST 28 Sep 2011 Fukushima-ken Nakadori 20 km 2.9 37.1 N 140.6 E2 No tsunami alerts
09:21 JST 28 Sep 2011 Ehime-ken Nan-yo 40 km 3.7 33.5 N 132.4 E2 No tsunami alerts
11:17 JST 28 Sep 2011 Iwate-ken Oki 40 km 3.9 40.2 N 142.5 E2 No tsunami alerts
11:39 JST 28 Sep 2011 Shiga-ken Nambu 10 km 2.6 35.2 N 135.9 E2 No tsunami alerts
15:43 JST 28 Sep 2011 Miyagi-ken Oki 40 km 4.1 38.2 N 142.1 E1 No tsunami alerts
16:57 JST 28 Sep 2011 Fukushima-ken Oki 30 km 3.9 37.4 N 141.3 E2 No tsunami alerts
20:26 JST 28 Sep 2011 Ibaraki-ken Nambu 50 km 3.6 36.1 N 139.9 E2 No tsunami alerts
22:15 JST 28 Sep 2011 Ibaraki-ken Oki 10 km 2.8 36.5 N 140.7 E1 No tsunami alerts
04:18 JST 29 Sep 2011 Fukushima-ken Oki 30 km 4.4 37.4 N 141.4 E3 No tsunami alerts
07:40 JST 29 Sep 2011 Iriomotejima Fukin 20 km 3.8 24.1 N 123.6 E1 No tsunami alerts
08:13 JST 29 Sep 2011 Miyagi-ken Oki 50 km 3.8 38.9 N 141.9 E2 No tsunami alerts
09:57 JST 29 Sep 2011 Miyagi-ken Oki 50 km 3.3 38.5 N 141.7 E1 No tsunami alerts
10:48 JST 29 Sep 2011 Miyagi-ken Oki 70 km 3.8 38.8 N 141.6 E2 No tsunami alerts
12:17 JST 29 Sep 2011 Ibaraki-ken Oki 30 km 3.3 36.2 N 141.4 E1 No tsunami alerts
18:55 JST 29 Sep 2011 Ibaraki-ken Hokubu 20 km 3.0 36.8 N 140.6 E1 No tsunami alerts
19:00 JST 29 Sep 2011 Ibaraki-ken Hokubu 50 km 3.3 36.4 N 140.6 E1 No tsunami alerts
19:05 JST 29 Sep 2011 Fukushima-ken Oki very shallow 5.6 37.1 N 141.0 E5 upper No tsunami alerts
19:05 JST 29 Sep 2011 Fukushima-ken Oki very shallow 5.6 37.1 N 141.0 E5 upper Intensity correction
19:13 JST 29 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.8 E1 No tsunami alerts
19:40 JST 29 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E1 No tsunami alerts
20:03 JST 29 Sep 2011 Fukushima-ken Hamadori very shallow 3.7 37.1 N 140.8 E2 No tsunami alerts
20:37 JST 29 Sep 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
21:29 JST 29 Sep 2011 Fukushima-ken Hamadori 10 km 3.7 37.1 N 140.9 E2 No tsunami alerts
21:54 JST 29 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.8 E1 No tsunami alerts
22:41 JST 29 Sep 2011 Fukushima-ken Hamadori very shallow 3.3 37.1 N 140.8 E2 No tsunami alerts
23:16 JST 29 Sep 2011 Gifu-ken Hida-chiho very shallow 2.8 36.0 N 137.3 E2 No tsunami alerts
23:21 JST 29 Sep 2011 Chiba-ken Toho-oki 20 km 3.6 35.6 N 141.1 E1 No tsunami alerts
00:27 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
01:54 JST 30 Sep 2011 Fukushima-ken Hamadori very shallow 4.2 37.1 N 140.8 E3 No tsunami alerts
01:59 JST 30 Sep 2011 Urakawa Oki very shallow 2.7 42.2 N 142.5 E2 No tsunami alerts
02:49 JST 30 Sep 2011 Urakawa Oki very shallow 2.1 42.2 N 142.5 E1 No tsunami alerts
02:51 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
03:17 JST 30 Sep 2011 Miyagi-ken Oki 50 km 4.1 38.1 N 141.9 E2 No tsunami alerts
03:27 JST 30 Sep 2011 Okinawa-honto Kinkai 50 km 4.3 26.6 N 127.8 E2 No tsunami alerts
03:30 JST 30 Sep 2011 Fukushima-ken Oki 50 km 4.0 37.0 N 141.1 E2 No tsunami alerts
03:27 JST 30 Sep 2011 Okinawa-honto Kinkai 50 km 4.3 26.6 N 127.8 E2 Intensity correction
03:42 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 3.5 37.1 N 140.9 E1 No tsunami alerts
03:58 JST 30 Sep 2011 Urakawa Oki very shallow 2.6 42.2 N 142.5 E2 No tsunami alerts
05:25 JST 30 Sep 2011 Miyagi-ken Oki 50 km 3.8 38.1 N 141.9 E1 No tsunami alerts
05:39 JST 30 Sep 2011 Niigata-ken Joetsu-chiho 10 km 2.3 37.0 N 138.4 E1 No tsunami alerts
06:14 JST 30 Sep 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.9 E1 No tsunami alerts
08:45 JST 30 Sep 2011 Kushiro Oki 70 km 3.3 42.6 N 144.3 E1 No tsunami alerts
13:30 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 3.7 37.1 N 140.8 E3 No tsunami alerts
13:34 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.8 E2 No tsunami alerts
14:09 JST 30 Sep 2011 Sanriku Oki 10 km 4.3 39.9 N 143.4 E1 No tsunami alerts
14:36 JST 30 Sep 2011 Fukushima-ken Hamadori very shallow 3.4 37.1 N 140.7 E2 No tsunami alerts
15:22 JST 30 Sep 2011 Nagano-ken Hokubu very shallow 2.2 36.7 N 138.2 E1 No tsunami alerts
15:24 JST 30 Sep 2011 Fukushima-ken Hamadori very shallow 2.5 37.1 N 140.9 E1 No tsunami alerts
15:35 JST 30 Sep 2011 Ibaraki-ken Hokubu 10 km 4.0 36.8 N 140.6 E2 No tsunami alerts
16:29 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
16:44 JST 30 Sep 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E2 No tsunami alerts
16:55 JST 30 Sep 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
18:50 JST 30 Sep 2011 Iwate-ken Oki 50 km 3.7 39.1 N 142.1 E1 No tsunami alerts
20:33 JST 30 Sep 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
20:37 JST 30 Sep 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.7 E1 No tsunami alerts
20:45 JST 30 Sep 2011 Ibaraki-ken Hokubu 10 km 3.9 36.7 N 140.7 E2 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