J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
00:27 JST 01 Aug 2011 Fukushima-ken Oki 50 km 4.1 36.9 N 141.2 E2 No tsunami alerts
02:08 JST 01 Aug 2011 Ibaraki-ken Oki 50 km 3.3 36.5 N 141.0 E1 No tsunami alerts
02:32 JST 01 Aug 2011 Ibaraki-ken Oki 20 km 4.4 36.7 N 141.2 E2 No tsunami alerts
02:36 JST 01 Aug 2011 Urakawa Oki 40 km 5.4 41.7 N 143.0 E4 No tsunami alerts
03:26 JST 01 Aug 2011 Fukushima-ken Oki 50 km 3.4 36.9 N 141.3 E1 No tsunami alerts
03:45 JST 01 Aug 2011 Urakawa Oki 30 km 3.4 41.7 N 143.0 E1 No tsunami alerts
04:34 JST 01 Aug 2011 Miyagi-ken Oki 40 km 4.5 38.7 N 142.3 E2 No tsunami alerts
09:15 JST 01 Aug 2011 Ibaraki-ken Oki 10 km 3.3 35.9 N 140.9 E1 No tsunami alerts
12:50 JST 01 Aug 2011 Chiba-ken Toho-oki very shallow 3.3 35.8 N 140.9 E1 No tsunami alerts
13:29 JST 01 Aug 2011 Fukushima-ken Oki 10 km 4.8 36.7 N 141.9 E2 No tsunami alerts
15:55 JST 01 Aug 2011 Miyagi-ken Oki 40 km 4.6 38.7 N 142.1 E3 No tsunami alerts
19:01 JST 01 Aug 2011 Suruga-wan 30 km 2.5 34.9 N 138.4 E1 No tsunami alerts
20:09 JST 01 Aug 2011 Okinawa-honto Kinkai 50 km 3.3 27.3 N 128.3 E1 No tsunami alerts
20:43 JST 01 Aug 2011 Ibaraki-ken Oki 80 km 3.2 36.6 N 140.9 E1 No tsunami alerts
21:48 JST 01 Aug 2011 Wakayama-ken Hokubu very shallow 3.0 34.1 N 135.3 E2 No tsunami alerts
22:44 JST 01 Aug 2011 Iwate-ken Oki 50 km 5.7 39.8 N 142.2 E4 No tsunami alerts
22:47 JST 01 Aug 2011 Iwate-ken Oki 10 km 4.5 39.1 N 142.4 E2 No tsunami alerts
22:48 JST 01 Aug 2011 Chichijima Kinkai 10 km 5.2 27.1 N 143.4 E2 No tsunami alerts
23:54 JST 01 Aug 2011 Aomori-ken Toho-oki 60 km 3.8 40.9 N 142.0 E2 No tsunami alerts
23:58 JST 01 Aug 2011 Suruga-wan 20 km 6.1 34.7 N 138.6 EUnkn 
23:58 JST 01 Aug 2011 Suruga-wan 20 km 6.1 34.7 N 138.6 E5 lower Intensity correction
00:03 JST 02 Aug 2011 Suruga-wan 20 km 3.4 34.7 N 138.6 E1  
00:14 JST 02 Aug 2011 Suruga-wan 20 km 3.0 34.7 N 138.6 E1  
00:23 JST 02 Aug 2011 Ibaraki-ken Oki 30 km 4.7 36.8 N 141.4 E2 No tsunami alerts
00:48 JST 02 Aug 2011 Suruga-wan 20 km 3.1 34.7 N 138.5 E1 No tsunami alerts
02:52 JST 02 Aug 2011 Miyagi-ken Oki 50 km 3.0 38.9 N 142.1 E1 No tsunami alerts
04:44 JST 02 Aug 2011 Suruga-wan 20 km 3.3 34.7 N 138.5 E1 No tsunami alerts
10:46 JST 02 Aug 2011 Fukushima-ken Aizu 10 km 3.5 37.7 N 139.9 E3 No tsunami alerts
11:15 JST 02 Aug 2011 Fukushima-ken Aizu 10 km 2.6 37.7 N 139.9 E1 No tsunami alerts
12:37 JST 02 Aug 2011 Chiba-ken Hokuseibu 80 km 4.3 35.8 N 140.1 E2 No tsunami alerts
13:39 JST 02 Aug 2011 Fukushima-ken Aizu 10 km 3.6 37.7 N 139.9 E3 No tsunami alerts
14:56 JST 02 Aug 2011 Fukushima-ken Aizu 10 km 2.3 37.7 N 139.9 E1 No tsunami alerts
15:49 JST 02 Aug 2011 Miyagi-ken Oki 50 km 3.5 38.7 N 141.7 E1 No tsunami alerts
16:15 JST 02 Aug 2011 Nagano-ken Hokubu 20 km 2.8 37.0 N 138.5 E1 No tsunami alerts
16:54 JST 02 Aug 2011 Ibaraki-ken Oki 40 km 3.0 36.3 N 141.0 E1 No tsunami alerts
18:14 JST 02 Aug 2011 Fukushima-ken Oki 30 km 3.5 37.4 N 141.3 E1 No tsunami alerts
01:44 JST 03 Aug 2011 Miyagi-ken Oki 40 km 4.1 38.7 N 142.5 E1 No tsunami alerts
02:17 JST 03 Aug 2011 Iwate-ken Oki 50 km 3.6 39.1 N 142.1 E1 No tsunami alerts
03:13 JST 03 Aug 2011 Fukushima-ken Hamadori 20 km 2.8 37.0 N 140.6 E1 No tsunami alerts
03:40 JST 03 Aug 2011 Miyagi-ken Oki 40 km 3.6 38.4 N 142.1 E1 No tsunami alerts
04:26 JST 03 Aug 2011 Chiba-ken Hokuseibu 80 km 4.1 35.8 N 140.1 E2 No tsunami alerts
05:08 JST 03 Aug 2011 Miyagi-ken Oki 50 km 4.1 38.6 N 141.8 E2 No tsunami alerts
05:43 JST 03 Aug 2011 Chiba-ken Toho-oki 30 km 3.4 35.5 N 141.0 E1 No tsunami alerts
05:56 JST 03 Aug 2011 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E2 No tsunami alerts
06:22 JST 03 Aug 2011 Hidaka-chiho Tobu 60 km 3.8 42.3 N 143.0 E2 No tsunami alerts
08:33 JST 03 Aug 2011 Chiba-ken Toho-oki 20 km 3.6 35.7 N 141.0 E2 No tsunami alerts
09:04 JST 03 Aug 2011 Ibaraki-ken Hokubu 50 km 3.3 36.4 N 140.6 E1 No tsunami alerts
12:41 JST 03 Aug 2011 Iwate-ken Oki 30 km 4.0 40.3 N 142.5 E1 No tsunami alerts
15:07 JST 03 Aug 2011 Iwate-ken Oki 30 km 3.8 39.5 N 142.6 E1 No tsunami alerts
15:31 JST 03 Aug 2011 Ibaraki-ken Oki 50 km 3.4 36.5 N 140.8 E1 No tsunami alerts
19:24 JST 03 Aug 2011 Iwate-ken Oki 30 km 3.9 39.1 N 142.5 E1 No tsunami alerts
20:30 JST 03 Aug 2011 Ibaraki-ken Nambu 70 km 3.0 36.2 N 140.1 E1 No tsunami alerts
22:03 JST 03 Aug 2011 Hyogo-ken Nantobu 10 km 2.5 35.2 N 135.1 E1 No tsunami alerts
22:51 JST 03 Aug 2011 Fukushima-ken Oki 40 km 3.9 37.8 N 141.5 E1 No tsunami alerts
00:27 JST 04 Aug 2011 Fukushima-ken Aizu 10 km 2.6 37.7 N 139.9 E2 No tsunami alerts
01:32 JST 04 Aug 2011 Fukushima-ken Oki 10 km 4.5 37.0 N 141.5 E1 No tsunami alerts
02:12 JST 04 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.7 E1 No tsunami alerts
03:05 JST 04 Aug 2011 Ibaraki-ken Oki 30 km 3.2 36.2 N 140.9 E1 No tsunami alerts
04:44 JST 04 Aug 2011 Ibaraki-ken Nambu 40 km 2.7 36.0 N 140.4 E1 No tsunami alerts
05:23 JST 04 Aug 2011 Urakawa Oki 30 km 3.4 41.8 N 143.0 E1 No tsunami alerts
07:33 JST 04 Aug 2011 Miyagi-ken Oki 50 km 4.4 38.3 N 142.0 E2 No tsunami alerts
08:52 JST 04 Aug 2011 Iwate-ken Oki 40 km 4.1 39.8 N 142.4 E2 No tsunami alerts
10:01 JST 04 Aug 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.7 E1 No tsunami alerts
14:09 JST 04 Aug 2011 Ibaraki-ken Hokubu 10 km 3.8 36.7 N 140.6 E2 No tsunami alerts
14:12 JST 04 Aug 2011 Ibaraki-ken Hokubu very shallow 3.1 36.7 N 140.6 E1 No tsunami alerts
16:23 JST 04 Aug 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E2 No tsunami alerts
18:07 JST 04 Aug 2011 Fukushima-ken Aizu 10 km 2.6 37.7 N 139.9 E1 No tsunami alerts
19:55 JST 04 Aug 2011 Fukushima-ken Oki 50 km 3.4 37.2 N 141.4 E1 No tsunami alerts
00:09 JST 05 Aug 2011 Tanegashima Kinkai 90 km 4.0 30.5 N 130.3 E1 No tsunami alerts
01:23 JST 05 Aug 2011 Miyagi-ken Oki 50 km 3.7 38.6 N 141.9 E2 No tsunami alerts
02:21 JST 05 Aug 2011 Urakawa Oki 40 km 3.4 42.0 N 142.6 E1 No tsunami alerts
02:45 JST 05 Aug 2011 Chiba-ken Toho-oki 10 km 4.4 35.8 N 140.9 E3 No tsunami alerts
06:51 JST 05 Aug 2011 Chiba-ken Nanto-oki 70 km 4.1 34.9 N 140.1 E2 No tsunami alerts
07:12 JST 05 Aug 2011 Fukushima-ken Nakadori 20 km 3.0 37.1 N 140.6 E1 No tsunami alerts
07:38 JST 05 Aug 2011 Suruga-wan 20 km 3.2 34.7 N 138.6 E1 No tsunami alerts
09:30 JST 05 Aug 2011 Boso-hanto Nampo-oki 70 km 4.3 34.4 N 140.2 E1 No tsunami alerts
12:28 JST 05 Aug 2011 Miyagi-ken Oki 40 km 3.5 38.3 N 142.1 E1 No tsunami alerts
13:14 JST 05 Aug 2011 Miyagi-ken Oki 40 km 3.9 38.6 N 142.1 E1 No tsunami alerts
17:42 JST 05 Aug 2011 Fukushima-ken Oki 50 km 3.8 36.9 N 141.3 E2 No tsunami alerts
18:00 JST 05 Aug 2011 Iwate-ken Engan-nambu 70 km 3.3 39.1 N 141.6 E1 No tsunami alerts
18:06 JST 05 Aug 2011 Nagano-ken Chubu very shallow 2.1 36.2 N 137.9 E1 No tsunami alerts
19:53 JST 05 Aug 2011 Iwate-ken Oki 30 km 4.9 40.1 N 142.6 E3 No tsunami alerts
20:16 JST 05 Aug 2011 Fukushima-ken Hamadori 10 km 4.8 37.1 N 140.9 E4 No tsunami alerts
20:26 JST 05 Aug 2011 Fukushima-ken Oki 30 km 4.4 37.3 N 141.9 E1 No tsunami alerts
21:28 JST 05 Aug 2011 Tochigi-ken Nambu 70 km 3.8 36.4 N 140.1 E2 No tsunami alerts
21:51 JST 05 Aug 2011 Fukushima-ken Hamadori very shallow 2.5 37.1 N 140.9 E1 No tsunami alerts
22:09 JST 05 Aug 2011 Fukushima-ken Hamadori very shallow 2.1 37.1 N 140.8 E1 No tsunami alerts
23:27 JST 05 Aug 2011 Iwate-ken Oki 50 km 3.2 39.1 N 142.2 E1 No tsunami alerts
23:42 JST 05 Aug 2011 Fukushima-ken Hamadori very shallow 2.5 37.1 N 140.9 E1 No tsunami alerts
01:30 JST 06 Aug 2011 Fukushima-ken Hamadori 10 km 3.4 37.1 N 140.9 E2 No tsunami alerts
02:21 JST 06 Aug 2011 Ibaraki-ken Oki 10 km 3.4 35.9 N 140.9 E1 No tsunami alerts
03:25 JST 06 Aug 2011 Yonagunijima Kinkai 10 km 4.5 24.1 N 122.4 E1 No tsunami alerts
04:53 JST 06 Aug 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.9 E1 No tsunami alerts
05:02 JST 06 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
07:06 JST 06 Aug 2011 Fukushima-ken Oki 50 km 3.2 36.9 N 141.3 E1 No tsunami alerts
07:52 JST 06 Aug 2011 Fukushima-ken Nakadori 20 km 2.8 37.1 N 140.5 E1 No tsunami alerts
09:31 JST 06 Aug 2011 Fukushima-ken Oki 20 km 3.5 37.0 N 141.4 E1 No tsunami alerts
11:00 JST 06 Aug 2011 Fukushima-ken Oki 30 km 3.8 37.2 N 141.1 E2 No tsunami alerts
11:32 JST 06 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
11:54 JST 06 Aug 2011 Fukushima-ken Hamadori 10 km 3.9 37.1 N 140.9 EUnknNo tsunami alerts
14:31 JST 06 Aug 2011 Ibaraki-ken Oki 10 km 3.2 36.5 N 141.0 E1 No tsunami alerts
15:13 JST 06 Aug 2011 Niigata-ken Chuetsu-chiho very shallow 2.0 37.0 N 138.8 E1 No tsunami alerts
16:10 JST 06 Aug 2011 Ibaraki-ken Hokubu very shallow 3.3 36.7 N 140.7 E1 No tsunami alerts
16:15 JST 06 Aug 2011 Chiba-ken Toho-oki 10 km 5.2 35.2 N 141.3 E3 No tsunami alerts
16:43 JST 06 Aug 2011 Fukushima-ken Oki 50 km 3.5 36.9 N 141.3 E1 No tsunami alerts
18:30 JST 06 Aug 2011 Chiba-ken Toho-oki 20 km 4.0 35.3 N 141.3 E1 No tsunami alerts
18:53 JST 06 Aug 2011 Fukushima-ken Nakadori 10 km 2.4 37.1 N 140.6 E2 No tsunami alerts
19:07 JST 06 Aug 2011 Miyagi-ken Oki 50 km 2.9 38.6 N 141.9 E1 No tsunami alerts
20:30 JST 06 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E1 No tsunami alerts
20:42 JST 06 Aug 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.8 E1 No tsunami alerts
21:37 JST 06 Aug 2011 Ibaraki-ken Oki 20 km 4.2 36.1 N 141.4 E1 No tsunami alerts
23:45 JST 06 Aug 2011 Fukushima-ken Oki 50 km 4.5 37.1 N 141.2 E2 No tsunami alerts
00:18 JST 07 Aug 2011 Ibaraki-ken Hokubu 10 km 2.4 36.7 N 140.6 E1 No tsunami alerts
00:43 JST 07 Aug 2011 Ibaraki-ken Oki 50 km 3.0 36.6 N 140.9 E1 No tsunami alerts
02:58 JST 07 Aug 2011 Miyagi-ken Oki 30 km 4.8 37.8 N 142.2 E2 No tsunami alerts
03:41 JST 07 Aug 2011 Ibaraki-ken Oki 20 km 4.6 36.4 N 141.9 E1 No tsunami alerts
04:06 JST 07 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
04:15 JST 07 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E2 No tsunami alerts
05:07 JST 07 Aug 2011 Nagano-ken Nambu very shallow 2.5 35.9 N 137.7 E1 No tsunami alerts
06:02 JST 07 Aug 2011 Niigata-ken Chuetsu-chiho very shallow 2.6 37.3 N 139.1 E1 No tsunami alerts
07:02 JST 07 Aug 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
07:23 JST 07 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
07:27 JST 07 Aug 2011 Ibaraki-ken Oki 30 km 3.2 36.3 N 141.0 E1 No tsunami alerts
08:02 JST 07 Aug 2011 Ibaraki-ken Oki 50 km 4.2 36.6 N 141.1 E2 No tsunami alerts
10:21 JST 07 Aug 2011 Iwate-ken Oki 30 km 3.8 39.2 N 142.4 E1 No tsunami alerts
11:42 JST 07 Aug 2011 Ibaraki-ken Oki 20 km 3.2 36.7 N 141.3 E1 No tsunami alerts
12:28 JST 07 Aug 2011 Fukushima-ken Hamadori very shallow 2.7 37.1 N 140.9 E1 No tsunami alerts
12:33 JST 07 Aug 2011 Ibaraki-ken Hokubu 30 km 4.8 36.7 N 140.7 EUnknNo tsunami alerts
15:31 JST 07 Aug 2011 Torishima Kinkai 430 km 4.8 31.7 N 138.1 E1 No tsunami alerts
22:33 JST 07 Aug 2011 Fukushima-ken Hamadori very shallow 4.3 37.1 N 140.9 E3 No tsunami alerts
00:11 JST 08 Aug 2011 Fukushima-ken Hamadori very shallow 2.7 37.1 N 140.8 E1 No tsunami alerts
00:36 JST 08 Aug 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.8 E1 No tsunami alerts
01:24 JST 08 Aug 2011 Miyagi-ken Oki 40 km 3.5 38.4 N 142.2 E1 No tsunami alerts
03:43 JST 08 Aug 2011 Ibaraki-ken Oki 20 km 4.0 36.8 N 141.4 E1 No tsunami alerts
04:53 JST 08 Aug 2011 Satsuma-hanto Seiho-oki very shallow 3.0 31.6 N 129.7 E1 No tsunami alerts
04:55 JST 08 Aug 2011 Fukushima-ken Oki 50 km 2.9 36.9 N 141.2 E1 No tsunami alerts
05:08 JST 08 Aug 2011 Iwate-ken Engan-hokubu 60 km 3.7 39.8 N 141.8 E1 No tsunami alerts
05:34 JST 08 Aug 2011 Miyagi-ken Oki 50 km 3.7 38.5 N 142.1 E1 No tsunami alerts
05:41 JST 08 Aug 2011 Chiba-ken Toho-oki very shallow 3.8 35.8 N 140.9 E1 No tsunami alerts
07:20 JST 08 Aug 2011 Chiba-ken Toho-oki 60 km 3.4 35.4 N 140.5 E1 No tsunami alerts
09:20 JST 08 Aug 2011 Nagano-ken Hokubu 10 km 3.0 37.0 N 138.5 E2 No tsunami alerts
10:05 JST 08 Aug 2011 Miyagi-ken Oki 40 km 4.3 38.7 N 142.2 E2 No tsunami alerts
10:39 JST 08 Aug 2011 Ibaraki-ken Hokubu 10 km 2.7 36.7 N 140.6 E1 No tsunami alerts
12:46 JST 08 Aug 2011 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E1 No tsunami alerts
13:56 JST 08 Aug 2011 Ishigakijima Kinkai very shallow 3.8 24.5 N 124.0 E2 No tsunami alerts
14:12 JST 08 Aug 2011 Miyagi-ken Oki 50 km 3.5 38.9 N 142.0 E1 No tsunami alerts
14:24 JST 08 Aug 2011 Fukushima-ken Aizu 10 km 2.7 37.7 N 139.9 E2 No tsunami alerts
16:20 JST 08 Aug 2011 Fukushima-ken Oki 50 km 4.2 37.5 N 141.5 E3 No tsunami alerts
16:32 JST 08 Aug 2011 Iyo-nada 50 km 3.3 33.5 N 132.2 E1 No tsunami alerts
17:34 JST 08 Aug 2011 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E1 No tsunami alerts
19:58 JST 08 Aug 2011 Miyagi-ken Oki 60 km 2.8 38.6 N 141.7 E1 No tsunami alerts
21:29 JST 08 Aug 2011 Iwate-ken Oki 40 km 3.4 40.0 N 142.0 E1 No tsunami alerts
21:35 JST 08 Aug 2011 Tokachi-chiho Chubu 90 km 4.1 42.7 N 142.9 E2 No tsunami alerts
21:56 JST 08 Aug 2011 Miyagi-ken Oki 50 km 3.6 38.7 N 141.7 E1 No tsunami alerts
23:01 JST 08 Aug 2011 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.6 E1 No tsunami alerts
00:13 JST 09 Aug 2011 Ishigakijima Kinkai 10 km 3.4 24.5 N 124.0 E2 No tsunami alerts
01:15 JST 09 Aug 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.9 E1 No tsunami alerts
03:02 JST 09 Aug 2011 Ibaraki-ken Hokubu 10 km 2.6 36.8 N 140.6 E1 No tsunami alerts
04:47 JST 09 Aug 2011 Fukushima-ken Oki 10 km 4.7 36.6 N 142.4 E1 No tsunami alerts
05:03 JST 09 Aug 2011 Iwate-ken Oki 40 km 3.8 39.9 N 142.4 E1 No tsunami alerts
07:26 JST 09 Aug 2011 Iriomotejima Fukin 30 km 3.9 24.1 N 123.4 E1 No tsunami alerts
07:31 JST 09 Aug 2011 Urakawa Oki 30 km 4.1 41.7 N 143.0 EUnknNo tsunami alerts
09:01 JST 09 Aug 2011 Chiba-ken Nanto-oki 70 km 4.1 34.9 N 140.1 E1 No tsunami alerts
10:57 JST 09 Aug 2011 Miyagi-ken Oki 20 km 4.0 38.3 N 141.9 E2 No tsunami alerts
11:06 JST 09 Aug 2011 Amami-oshima Kinkai 20 km 3.7 28.0 N 129.3 E1 No tsunami alerts
11:06 JST 09 Aug 2011 Amami-oshima Kinkai 20 km 3.7 28.0 N 129.3 E2 Intensity correction
11:26 JST 09 Aug 2011 Wakayama-ken Hokubu 10 km 2.9 34.2 N 135.2 E1 No tsunami alerts
12:18 JST 09 Aug 2011 Miyagi-ken Oki 50 km 2.7 38.6 N 141.7 E1 No tsunami alerts
12:55 JST 09 Aug 2011 Chiba-ken Toho-oki very shallow 3.8 35.8 N 141.1 E1 No tsunami alerts
16:47 JST 09 Aug 2011 Ibaraki-ken Oki 20 km 4.1 36.8 N 141.4 E1 No tsunami alerts
19:40 JST 09 Aug 2011 Akita-ken Oki 10 km 3.6 39.8 N 139.7 E2 No tsunami alerts
00:26 JST 10 Aug 2011 Miyagi-ken Oki 60 km 4.0 38.0 N 141.7 E1 No tsunami alerts
02:45 JST 10 Aug 2011 Miyagi-ken Oki 50 km 4.2 38.7 N 141.7 E3 No tsunami alerts
02:46 JST 10 Aug 2011 Fukui-ken Reinan very shallow 2.9 35.6 N 136.1 E2 No tsunami alerts
03:29 JST 10 Aug 2011 Miyagi-ken Oki 50 km 4.0 38.9 N 141.9 E2 No tsunami alerts
04:35 JST 10 Aug 2011 Ibaraki-ken Oki 20 km 4.4 36.3 N 141.5 E2 No tsunami alerts
05:12 JST 10 Aug 2011 Niigata-ken Chuetsu-chiho 20 km 2.9 37.0 N 138.6 E2 No tsunami alerts
07:03 JST 10 Aug 2011 Ibaraki-ken Oki 40 km 2.9 36.5 N 141.1 E1 No tsunami alerts
08:03 JST 10 Aug 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
08:13 JST 10 Aug 2011 Wakayama-ken Hokubu 60 km 4.6 34.1 N 135.5 E4 No tsunami alerts
12:00 JST 10 Aug 2011 Ibaraki-ken Oki 40 km 3.4 36.5 N 141.2 E2 No tsunami alerts
13:29 JST 10 Aug 2011 Iwate-ken Oki 30 km 4.4 39.1 N 142.4 E2 No tsunami alerts
15:17 JST 10 Aug 2011 Ibaraki-ken Nambu 80 km 3.8 36.2 N 140.0 E2 No tsunami alerts
16:03 JST 10 Aug 2011 Miyagi-ken Oki 50 km 4.2 38.0 N 141.7 E1 No tsunami alerts
18:15 JST 10 Aug 2011 Fukushima-ken Oki 20 km 4.3 37.0 N 141.4 E1 No tsunami alerts
21:11 JST 10 Aug 2011 Tachibana-wan 10 km 2.6 32.7 N 130.0 E2 No tsunami alerts
21:36 JST 10 Aug 2011 Ibaraki-ken Oki 20 km 2.6 36.6 N 140.7 E1 No tsunami alerts
10:26 JST 11 Aug 2011 Ibaraki-ken Oki 30 km 4.5 36.2 N 141.4 E2 No tsunami alerts
15:18 JST 11 Aug 2011 Miyagi-ken Oki 50 km 3.4 38.7 N 142.2 E1 No tsunami alerts
15:50 JST 11 Aug 2011 Goto-retto Kinkai 10 km 2.7 32.7 N 129.7 E1 No tsunami alerts
17:16 JST 11 Aug 2011 Ibaraki-ken Oki 40 km 3.5 36.2 N 141.0 E1 No tsunami alerts
17:44 JST 11 Aug 2011 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.9 E2 No tsunami alerts
18:12 JST 11 Aug 2011 Fukushima-ken Oki 20 km 4.6 37.4 N 141.9 E2 No tsunami alerts
21:35 JST 11 Aug 2011 Hyuga-nada 40 km 3.3 32.8 N 132.0 E1 No tsunami alerts
22:00 JST 11 Aug 2011 Fukushima-ken Hamadori very shallow 3.1 37.1 N 140.9 E1 No tsunami alerts
22:31 JST 11 Aug 2011 Miyagi-ken Oki 20 km 5.3 38.4 N 142.3 E4 No tsunami alerts
22:34 JST 11 Aug 2011 Miyagi-ken Oki 20 km 4.0 38.4 N 142.2 E1 No tsunami alerts
23:30 JST 11 Aug 2011 Iwate-ken Oki 30 km 4.2 39.2 N 142.5 E1 No tsunami alerts
00:03 JST 12 Aug 2011 Miyagi-ken Oki 30 km 3.8 38.4 N 142.2 E1 No tsunami alerts
01:00 JST 12 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
01:46 JST 12 Aug 2011 Ibaraki-ken Oki 40 km 3.1 36.2 N 141.1 E1 No tsunami alerts
03:22 JST 12 Aug 2011 Fukushima-ken Oki 50 km 6.0 37.0 N 141.2 E5 lower No tsunami alerts
03:22 JST 12 Aug 2011 Fukushima-ken Oki 50 km 6.0 37.0 N 141.2 E5 lower Intensity correction
04:37 JST 12 Aug 2011 Enshu-nada 10 km 5.2 34.4 N 138.2 E2 No tsunami alerts
04:45 JST 12 Aug 2011 Chiba-ken Toho-oki 10 km 2.6 35.4 N 140.4 E1 No tsunami alerts
05:36 JST 12 Aug 2011 Miyagi-ken Oki 30 km 3.5 38.3 N 142.3 E1 No tsunami alerts
07:27 JST 12 Aug 2011 Hokkaido Hokusei-oki 10 km 3.9 44.9 N 141.7 E2 No tsunami alerts
08:48 JST 12 Aug 2011 Ibaraki-ken Oki 50 km 2.9 36.6 N 140.9 E1 No tsunami alerts
11:07 JST 12 Aug 2011 Miyagi-ken Oki 50 km 4.5 38.3 N 141.9 E2 No tsunami alerts
11:50 JST 12 Aug 2011 Oshima-chiho Tobu 10 km 2.6 41.9 N 140.8 E1 No tsunami alerts
14:14 JST 12 Aug 2011 Miyagi-ken Oki 40 km 3.9 38.7 N 142.2 E1 No tsunami alerts
18:08 JST 12 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
20:15 JST 12 Aug 2011 Ibaraki-ken Oki 40 km 3.0 36.3 N 141.0 E1 No tsunami alerts
20:19 JST 12 Aug 2011 Miyagi-ken Oki 30 km 2.8 38.5 N 141.9 E1 No tsunami alerts
21:04 JST 12 Aug 2011 Suruga-wan 20 km 3.9 34.7 N 138.6 E1 No tsunami alerts
21:37 JST 12 Aug 2011 Miyagi-ken Oki 50 km 3.2 38.9 N 142.0 E1 No tsunami alerts
22:47 JST 12 Aug 2011 Ibaraki-ken Oki 50 km 3.3 36.5 N 141.1 E1 No tsunami alerts
04:20 JST 13 Aug 2011 Miyagi-ken Oki 40 km 3.8 38.4 N 142.2 E1 No tsunami alerts
05:27 JST 13 Aug 2011 Hyuga-nada 10 km 3.5 32.1 N 132.0 E1 No tsunami alerts
08:41 JST 13 Aug 2011 Akita-ken Nairiku-nambu 10 km 2.5 39.6 N 140.6 E1 No tsunami alerts
08:55 JST 13 Aug 2011 Nagano-ken Hokubu 10 km 2.9 36.5 N 137.7 E1 No tsunami alerts
09:25 JST 13 Aug 2011 Ibaraki-ken Oki 40 km 3.3 36.2 N 140.9 E1 No tsunami alerts
13:31 JST 13 Aug 2011 Kumamoto-ken Aso-chiho very shallow 3.3 33.0 N 131.0 E2 No tsunami alerts
13:44 JST 13 Aug 2011 Miyagi-ken Oki 50 km 4.2 38.3 N 141.8 E2 No tsunami alerts
14:15 JST 13 Aug 2011 Miyagi-ken Oki 50 km 3.8 38.2 N 141.7 E2 No tsunami alerts
17:30 JST 13 Aug 2011 Miyagi-ken Oki 30 km 4.5 38.4 N 142.3 E2 No tsunami alerts
20:02 JST 13 Aug 2011 Ibaraki-ken Oki 50 km 3.2 36.7 N 140.9 E1 No tsunami alerts
21:31 JST 13 Aug 2011 Miyagi-ken Oki 40 km 3.5 38.9 N 142.0 E1 No tsunami alerts
23:01 JST 13 Aug 2011 Fukushima-ken Oki 20 km 4.9 37.0 N 141.3 E2 No tsunami alerts
00:11 JST 14 Aug 2011 Fukushima-ken Oki 20 km 3.9 37.0 N 141.4 E1 No tsunami alerts
03:15 JST 14 Aug 2011 Fukushima-ken Oki 50 km 3.2 37.0 N 141.2 E1 No tsunami alerts
05:18 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.8 E1 No tsunami alerts
11:48 JST 14 Aug 2011 Ibaraki-ken Oki 40 km 3.6 35.9 N 140.9 E1 No tsunami alerts
14:14 JST 14 Aug 2011 Fukushima-ken Oki 40 km 3.9 37.6 N 141.6 E1 No tsunami alerts
14:25 JST 14 Aug 2011 Fukushima-ken Hamadori 20 km 3.2 36.9 N 140.7 E1 No tsunami alerts
14:46 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
14:58 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
16:38 JST 14 Aug 2011 Ibaraki-ken Hokubu 10 km 4.3 36.7 N 140.6 E4 No tsunami alerts
18:41 JST 14 Aug 2011 Miyagi-ken Oki 50 km 3.4 38.7 N 141.9 E1 No tsunami alerts
18:55 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 4.2 37.1 N 140.9 E3 No tsunami alerts
19:39 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
19:53 JST 14 Aug 2011 Fukushima-ken Oki 30 km 3.5 37.0 N 141.2 E1 No tsunami alerts
19:57 JST 14 Aug 2011 Fukushima-ken Oki 30 km 3.1 37.2 N 141.3 E1 No tsunami alerts
20:06 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
20:22 JST 14 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
20:32 JST 14 Aug 2011 Nemuro-hanto Nanto-oki 50 km 3.6 43.1 N 145.7 E1 No tsunami alerts
21:19 JST 14 Aug 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.9 E1 No tsunami alerts
21:32 JST 14 Aug 2011 Fukushima-ken Hamadori very shallow 3.2 37.1 N 140.9 E1 No tsunami alerts
23:28 JST 14 Aug 2011 Fukushima-ken Hamadori very shallow 3.2 37.1 N 140.9 E1 No tsunami alerts
00:27 JST 15 Aug 2011 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E2 No tsunami alerts
00:53 JST 15 Aug 2011 Ibaraki-ken Hokubu 10 km 2.7 36.6 N 140.6 E2 No tsunami alerts
00:59 JST 15 Aug 2011 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
03:16 JST 15 Aug 2011 Fukushima-ken Oki 10 km 4.5 37.5 N 142.7 E1 No tsunami alerts
05:42 JST 15 Aug 2011 Sanriku Oki 10 km 4.6 39.9 N 143.4 E1 No tsunami alerts
05:45 JST 15 Aug 2011 Fukushima-ken Hamadori 20 km 3.6 36.9 N 140.7 E2 No tsunami alerts
07:09 JST 15 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.9 E1 No tsunami alerts
11:41 JST 15 Aug 2011 Iwate-ken Nairiku-nambu very shallow 3.2 39.3 N 141.0 E1 No tsunami alerts
13:56 JST 15 Aug 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
15:26 JST 15 Aug 2011 Ibaraki-ken Nambu 70 km 4.7 36.2 N 140.1 EUnknNo tsunami alerts
16:18 JST 15 Aug 2011 Chiba-ken Toho-oki 10 km 4.3 35.7 N 141.0 E2 No tsunami alerts
20:30 JST 15 Aug 2011 Fukushima-ken Hamadori 10 km 2.5 37.1 N 140.9 E1 No tsunami alerts
20:45 JST 15 Aug 2011 Ogasawara-shoto Toho-oki 10 km 5.9 24.0 N 145.1 E1 No tsunami alerts
22:31 JST 15 Aug 2011 Fukushima-ken Oki 50 km 4.1 37.1 N 141.2 EUnknNo tsunami alerts
02:59 JST 16 Aug 2011 Miyagi-ken Hokubu 60 km 2.9 38.9 N 141.6 E1 No tsunami alerts
03:25 JST 16 Aug 2011 Hokkaido Hokusei-oki 10 km 2.6 44.9 N 141.7 E1 No tsunami alerts
03:28 JST 16 Aug 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.8 E1 No tsunami alerts
04:26 JST 16 Aug 2011 Amami-oshima Kinkai 40 km 2.9 27.6 N 129.0 E1 No tsunami alerts
10:09 JST 16 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
14:48 JST 16 Aug 2011 Ibaraki-ken Oki 30 km 4.0 36.3 N 141.0 E2 No tsunami alerts
16:37 JST 16 Aug 2011 Ibaraki-ken Oki very shallow 2.9 36.6 N 140.7 E1 No tsunami alerts
19:11 JST 16 Aug 2011 Iwate-ken Oki 50 km 3.6 39.0 N 142.3 E1 No tsunami alerts
19:16 JST 16 Aug 2011 Ibaraki-ken Hokubu 10 km 4.6 36.8 N 140.6 E3 No tsunami alerts
21:31 JST 16 Aug 2011 Amami-oshima Kinkai 30 km 3.6 28.0 N 129.2 E2 No tsunami alerts
21:36 JST 16 Aug 2011 Miyagi-ken Oki 40 km 3.6 38.8 N 142.1 E1 No tsunami alerts
21:43 JST 16 Aug 2011 Sanriku Oki 10 km 4.8 38.2 N 143.6 E1 No tsunami alerts
23:57 JST 16 Aug 2011 Fukushima-ken Oki 30 km 4.3 37.2 N 141.9 E1 No tsunami alerts
01:11 JST 17 Aug 2011 Miyagi-ken Oki 30 km 4.2 38.4 N 142.2 E2 No tsunami alerts
04:26 JST 17 Aug 2011 Fukushima-ken Oki 30 km 3.7 37.3 N 141.2 E2 No tsunami alerts
04:35 JST 17 Aug 2011 Iwate-ken Oki 30 km 5.4 40.2 N 142.4 E3 No tsunami alerts
09:23 JST 17 Aug 2011 Ibaraki-ken Nambu 80 km 4.4 36.1 N 139.8 E4 No tsunami alerts
09:23 JST 17 Aug 2011 Ibaraki-ken Nambu 80 km 4.4 36.1 N 139.8 E4 Intensity correction
10:21 JST 17 Aug 2011 Fukushima-ken Oki 30 km 3.3 37.2 N 141.1 E1 No tsunami alerts
10:21 JST 17 Aug 2011 Iwate-ken Oki 30 km 3.4 39.1 N 142.4 E1 No tsunami alerts
10:51 JST 17 Aug 2011 Ibaraki-ken Nambu 70 km 3.7 36.2 N 140.0 E2 No tsunami alerts
11:26 JST 17 Aug 2011 Iwate-ken Oki 30 km 4.5 39.2 N 142.4 E2 No tsunami alerts
12:05 JST 17 Aug 2011 Miyagi-ken Oki 40 km 5.2 38.4 N 142.2 E4 No tsunami alerts
12:14 JST 17 Aug 2011 Miyagi-ken Oki 40 km 4.6 38.4 N 142.2 EUnknNo tsunami alerts
12:40 JST 17 Aug 2011 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
15:55 JST 17 Aug 2011 Miyagi-ken Oki 40 km 3.9 38.3 N 142.2 E1 No tsunami alerts
16:55 JST 17 Aug 2011 Chiba-ken Toho-oki 40 km 4.6 35.4 N 141.2 E2 No tsunami alerts
17:05 JST 17 Aug 2011 Chiba-ken Toho-oki very shallow 3.0 35.8 N 140.9 E1 No tsunami alerts
17:46 JST 17 Aug 2011 Chiba-ken Toho-oki 40 km 4.5 35.5 N 141.1 E2 No tsunami alerts
20:44 JST 17 Aug 2011 Kanto Toho-oki 10 km 5.9 36.8 N 143.7 E2 No tsunami alerts
21:41 JST 17 Aug 2011 Chiba-ken Toho-oki 40 km 3.7 35.5 N 141.1 E1 No tsunami alerts
23:32 JST 17 Aug 2011 Fukushima-ken Hamadori 10 km 3.6 37.1 N 140.9 E2 No tsunami alerts
00:11 JST 18 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E1 No tsunami alerts
00:20 JST 18 Aug 2011 Ibaraki-ken Hokubu 10 km 2.9 36.6 N 140.6 E2 No tsunami alerts
01:32 JST 18 Aug 2011 Tochigi-ken Nambu 80 km 4.1 36.3 N 139.9 E2 No tsunami alerts
02:26 JST 18 Aug 2011 Fukushima-ken Hamadori 10 km 3.2 37.3 N 141.0 E1 No tsunami alerts
02:55 JST 18 Aug 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.4 32.9 N 130.7 E2 No tsunami alerts
03:25 JST 18 Aug 2011 Yamanashi-ken Chu-seibu 10 km 2.7 35.8 N 138.2 E2 No tsunami alerts
07:18 JST 18 Aug 2011 Miyagi-ken Oki 30 km 4.1 38.5 N 142.2 E1 No tsunami alerts
08:06 JST 18 Aug 2011 Fukui-ken Reihoku 10 km 2.6 36.2 N 136.3 E1 No tsunami alerts
09:11 JST 18 Aug 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E2 No tsunami alerts
09:36 JST 18 Aug 2011 Fukushima-ken Oki 40 km 4.2 37.8 N 141.8 E1 No tsunami alerts
10:07 JST 18 Aug 2011 Fukushima-ken Oki 30 km 3.5 37.3 N 141.1 E1 No tsunami alerts
10:11 JST 18 Aug 2011 Ibaraki-ken Hokubu 10 km 4.0 36.8 N 140.7 E2 No tsunami alerts
11:38 JST 18 Aug 2011 Niigata-ken Chuetsu-chiho 20 km 1.9 37.2 N 138.6 E1 No tsunami alerts
11:40 JST 18 Aug 2011 Fukushima-ken Oki 50 km 3.0 36.9 N 141.2 E1 No tsunami alerts
13:52 JST 18 Aug 2011 Miyagi-ken Oki 50 km 3.1 38.9 N 142.1 E1 No tsunami alerts
14:34 JST 18 Aug 2011 Miyagi-ken Oki 50 km 3.9 38.2 N 141.6 E2 No tsunami alerts
14:37 JST 18 Aug 2011 Fukushima-ken Hamadori 20 km 3.5 36.9 N 140.7 E1 No tsunami alerts
15:19 JST 18 Aug 2011 Ibaraki-ken Hokubu 20 km 3.9 36.8 N 140.7 E2 No tsunami alerts
16:50 JST 18 Aug 2011 Fukushima-ken Aizu 10 km 2.5 37.7 N 139.9 E2 No tsunami alerts
18:25 JST 18 Aug 2011 Chiba-ken Toho-oki very shallow 3.2 35.8 N 140.9 E1 No tsunami alerts
18:38 JST 18 Aug 2011 Ibaraki-ken Oki 50 km 3.6 36.5 N 140.9 E1 No tsunami alerts
19:08 JST 18 Aug 2011 Ibaraki-ken Oki 50 km 3.2 36.5 N 140.8 E1 No tsunami alerts
19:55 JST 18 Aug 2011 Fukushima-ken Hamadori very shallow 2.6 37.1 N 140.8 E1 No tsunami alerts
20:37 JST 18 Aug 2011 Miyagi-ken Oki 30 km 3.9 38.4 N 142.3 E1 No tsunami alerts
20:42 JST 18 Aug 2011 Ibaraki-ken Oki 40 km 3.6 36.3 N 140.9 E1 No tsunami alerts
22:51 JST 18 Aug 2011 Fukushima-ken Oki 50 km 3.9 36.9 N 141.3 E2 No tsunami alerts
22:57 JST 18 Aug 2011 Miyagi-ken Oki 50 km 3.4 38.5 N 142.0 E1 No tsunami alerts
00:39 JST 19 Aug 2011 Ibaraki-ken Nambu 50 km 4.0 36.2 N 140.1 EUnknNo tsunami alerts
01:40 JST 19 Aug 2011 Kunashirito Fukin 110 km 4.4 44.0 N 146.2 E2 No tsunami alerts
01:45 JST 19 Aug 2011 Miyagi-ken Oki 40 km 4.4 38.7 N 142.3 E1 No tsunami alerts
01:56 JST 19 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.9 E2 No tsunami alerts
03:46 JST 19 Aug 2011 Miyagi-ken Oki 40 km 4.0 38.4 N 142.3 E1 No tsunami alerts
04:18 JST 19 Aug 2011 Ibaraki-ken Oki 40 km 3.8 36.7 N 141.2 E1 No tsunami alerts
04:35 JST 19 Aug 2011 Fukushima-ken Nakadori 20 km 3.1 37.0 N 140.5 E2 No tsunami alerts
04:54 JST 19 Aug 2011 Ibaraki-ken Oki 10 km 4.0 35.9 N 141.0 E1 No tsunami alerts
07:02 JST 19 Aug 2011 Chiba-ken Hokutobu 40 km 3.0 35.9 N 140.6 E1 No tsunami alerts
09:48 JST 19 Aug 2011 Ibaraki-ken Oki 40 km 3.4 36.2 N 141.0 E1 No tsunami alerts
10:41 JST 19 Aug 2011 Etorofuto Nanto-oki 50 km 4.6 44.5 N 148.3 E1 No tsunami alerts
10:42 JST 19 Aug 2011 Ibaraki-ken Oki very shallow 3.4 35.9 N 140.9 E1 No tsunami alerts
11:29 JST 19 Aug 2011 Nemuro-hanto Nanto-oki 90 km 4.2 43.3 N 146.0 E3 No tsunami alerts
12:57 JST 19 Aug 2011 Miyagi-ken Oki 50 km 3.2 38.3 N 141.8 E1 No tsunami alerts
13:43 JST 19 Aug 2011 Ibaraki-ken Hokubu 10 km 3.4 36.7 N 140.6 E3 No tsunami alerts
13:51 JST 19 Aug 2011 Iwate-ken Oki 50 km 4.4 39.1 N 142.1 E3 No tsunami alerts
14:01 JST 19 Aug 2011 Miyagi-ken Oki 40 km 4.0 38.4 N 142.2 E1 No tsunami alerts
14:36 JST 19 Aug 2011 Fukushima-ken Oki 20 km 6.8 37.6 N 141.9 EUnknTsunami alert issued
14:36 JST 19 Aug 2011 Fukushima-ken Oki 20 km 6.8 37.6 N 141.9 E5 lower Tsunami alert issued
14:53 JST 19 Aug 2011 Miyagi-ken Oki 30 km 4.0 38.7 N 142.4 E1 Tsunami alert issued
15:34 JST 19 Aug 2011 Fukushima-ken Oki 50 km 3.9 37.6 N 141.8 E1 No tsunami alerts
15:45 JST 19 Aug 2011 Miyagi-ken Hokubu 70 km 3.5 38.9 N 141.6 E1 No tsunami alerts
16:17 JST 19 Aug 2011 Fukushima-ken Oki 40 km 3.8 37.7 N 141.8 E1 No tsunami alerts
17:36 JST 19 Aug 2011 Fukushima-ken Nakadori 20 km 2.5 37.0 N 140.3 E2 No tsunami alerts
17:50 JST 19 Aug 2011 Iwate-ken Oki 50 km 3.9 39.1 N 142.2 E2 No tsunami alerts
18:58 JST 19 Aug 2011 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E2 No tsunami alerts
19:10 JST 19 Aug 2011 Niigata-ken Chuetsu-chiho 10 km 2.8 36.8 N 138.7 E1 No tsunami alerts
20:02 JST 19 Aug 2011 Ishikawa-ken Noto-chiho 10 km 2.6 37.2 N 136.8 E1 No tsunami alerts
21:11 JST 19 Aug 2011 Ibaraki-ken Oki 70 km 4.1 36.0 N 141.1 E1 No tsunami alerts
21:14 JST 19 Aug 2011 Chiba-ken Toho-oki very shallow 3.1 35.8 N 140.9 E1 No tsunami alerts
00:07 JST 20 Aug 2011 Miyagi-ken Oki 40 km 3.6 38.8 N 142.1 E1 No tsunami alerts
00:43 JST 20 Aug 2011 Ibaraki-ken Oki 10 km 4.0 36.7 N 141.3 E2 No tsunami alerts
00:52 JST 20 Aug 2011 Gumma-ken Hokubu 10 km 2.0 36.5 N 138.7 E1 No tsunami alerts
01:23 JST 20 Aug 2011 Miyagi-ken Oki 30 km 3.9 38.5 N 142.2 E1 No tsunami alerts
01:37 JST 20 Aug 2011 Ibaraki-ken Oki 20 km 3.3 36.6 N 141.1 E1 No tsunami alerts
04:10 JST 20 Aug 2011 Soya Toho-oki 310 km 4.7 45.7 N 142.7 E1 No tsunami alerts
05:13 JST 20 Aug 2011 Chiba-ken Hokuseibu 80 km 2.9 35.7 N 140.2 E1 No tsunami alerts
06:20 JST 20 Aug 2011 Niigata-ken Chuetsu-chiho 20 km 3.1 36.8 N 138.7 E1 No tsunami alerts
06:40 JST 20 Aug 2011 Miyagi-ken Oki 60 km 3.7 38.4 N 141.8 E1 No tsunami alerts
07:04 JST 20 Aug 2011 Hokkaido Toho-oki 90 km 4.4 44.2 N 147.4 E2 No tsunami alerts
08:48 JST 20 Aug 2011 Fukushima-ken Oki 40 km 4.2 37.6 N 141.8 E2 No tsunami alerts
09:05 JST 20 Aug 2011 Ibaraki-ken Hokubu 10 km 2.4 36.7 N 140.6 E1 No tsunami alerts
10:33 JST 20 Aug 2011 Fukushima-ken Oki 40 km 3.9 37.6 N 141.8 E1 No tsunami alerts
14:15 JST 20 Aug 2011 Ibaraki-ken Hokubu 50 km 3.5 36.4 N 140.6 E1 No tsunami alerts
15:52 JST 20 Aug 2011 Fukushima-ken Hamadori 20 km 3.8 37.0 N 140.6 E2 No tsunami alerts
15:58 JST 20 Aug 2011 Iwate-ken Oki 30 km 4.1 39.2 N 142.5 E1 No tsunami alerts
18:12 JST 20 Aug 2011 Chiba-ken Toho-oki 60 km 3.5 35.6 N 140.8 E1 No tsunami alerts
18:54 JST 20 Aug 2011 Fukushima-ken Oki 50 km 3.9 37.6 N 141.9 E1 No tsunami alerts
20:03 JST 20 Aug 2011 Miyagi-ken Oki 50 km 3.9 38.1 N 141.7 E2 No tsunami alerts
23:12 JST 20 Aug 2011 Ibaraki-ken Oki very shallow 4.9 36.3 N 141.9 E1 No tsunami alerts
00:05 JST 21 Aug 2011 Fukushima-ken Hamadori 10 km 2.6 37.1 N 140.8 E1 No tsunami alerts
01:26 JST 21 Aug 2011 Tokyo-wan 100 km 3.7 35.2 N 139.8 E2 No tsunami alerts
02:11 JST 21 Aug 2011 Fukushima-ken Oki 40 km 4.1 37.6 N 141.8 E2 No tsunami alerts
02:49 JST 21 Aug 2011 Wakayama-ken Hokubu 10 km 2.8 34.0 N 135.2 E1 No tsunami alerts
04:37 JST 21 Aug 2011 Miyagi-ken Oki 50 km 4.4 38.6 N 141.9 E3 No tsunami alerts
06:30 JST 21 Aug 2011 Miyagi-ken Oki 40 km 4.0 38.4 N 142.2 E1 No tsunami alerts
06:54 JST 21 Aug 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
06:59 JST 21 Aug 2011 Iwate-ken Oki 50 km 3.2 40.0 N 142.0 E1 No tsunami alerts
07:33 JST 21 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.8 E2 No tsunami alerts
07:37 JST 21 Aug 2011 Niigata-ken Chuetsu-chiho 10 km 3.4 36.8 N 138.7 E1 No tsunami alerts
07:58 JST 21 Aug 2011 Miyagi-ken Oki 50 km 4.7 38.6 N 141.9 E4 No tsunami alerts
11:35 JST 21 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
11:57 JST 21 Aug 2011 Fukushima-ken Oki 40 km 4.2 37.7 N 141.8 E2 No tsunami alerts
12:49 JST 21 Aug 2011 Ibaraki-ken Hokubu very shallow 2.7 36.7 N 140.6 E1 No tsunami alerts
13:03 JST 21 Aug 2011 Miyagi-ken Oki 60 km 3.7 38.4 N 141.9 E1 No tsunami alerts
13:47 JST 21 Aug 2011 Chiba-ken Hokutobu 30 km 3.6 35.9 N 140.6 E2 No tsunami alerts
16:13 JST 21 Aug 2011 Miyagi-ken Oki 30 km 3.9 38.4 N 142.4 E1 No tsunami alerts
16:37 JST 21 Aug 2011 Fukushima-ken Oki 50 km 3.2 37.0 N 141.3 E1 No tsunami alerts
17:13 JST 21 Aug 2011 Miyagi-ken Oki 50 km 3.4 38.5 N 141.7 E2 No tsunami alerts
19:50 JST 21 Aug 2011 Akita-ken Nairiku-nambu 10 km 3.1 39.5 N 140.4 E3 No tsunami alerts
20:08 JST 21 Aug 2011 Fukushima-ken Oki 20 km 3.3 37.3 N 141.2 E1 No tsunami alerts
21:04 JST 21 Aug 2011 Tosa-wan 10 km 2.6 33.5 N 133.7 E1 No tsunami alerts
00:37 JST 22 Aug 2011 Ibaraki-ken Oki 20 km 4.3 36.6 N 141.0 E2 No tsunami alerts
00:46 JST 22 Aug 2011 Ibaraki-ken Oki 10 km 3.4 36.6 N 141.0 E1 No tsunami alerts
00:50 JST 22 Aug 2011 Ibaraki-ken Hokubu 60 km 2.9 36.4 N 140.5 E1 No tsunami alerts
02:32 JST 22 Aug 2011 Ibaraki-ken Nambu 50 km 2.7 36.0 N 140.3 E1 No tsunami alerts
03:31 JST 22 Aug 2011 Kumamoto-ken Kumamoto-chiho 10 km 2.5 32.7 N 130.9 E1 No tsunami alerts
04:42 JST 22 Aug 2011 Miyagi-ken Oki 50 km 4.2 38.9 N 142.0 E3 No tsunami alerts
06:39 JST 22 Aug 2011 Ibaraki-ken Hokubu 20 km 4.3 36.8 N 140.6 E2 No tsunami alerts
07:05 JST 22 Aug 2011 Fukushima-ken Oki 50 km 4.5 37.1 N 141.2 E4 No tsunami alerts
09:07 JST 22 Aug 2011 Tokachi-chiho Chubu 20 km 4.7 42.7 N 143.3 E4 No tsunami alerts
11:21 JST 22 Aug 2011 Ibaraki-ken Oki 10 km 4.2 36.4 N 140.8 E2 No tsunami alerts
13:21 JST 22 Aug 2011 Fukushima-ken Oki 40 km 3.5 37.3 N 141.4 E1 No tsunami alerts
14:03 JST 22 Aug 2011 Miyagi-ken Oki 50 km 3.5 38.9 N 141.9 E1 No tsunami alerts
14:36 JST 22 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 37.2 N 140.9 E2 No tsunami alerts
15:57 JST 22 Aug 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
16:21 JST 22 Aug 2011 Miyagi-ken Oki 30 km 3.9 38.9 N 142.5 E1 No tsunami alerts
17:04 JST 22 Aug 2011 Shizuoka-ken Chubu 20 km 2.6 35.2 N 138.4 E1 No tsunami alerts
17:36 JST 22 Aug 2011 Ibaraki-ken Nambu 70 km 4.6 36.2 N 140.1 E3 No tsunami alerts
18:44 JST 22 Aug 2011 Chiba-ken Toho-oki 10 km 3.2 35.8 N 140.9 E1 No tsunami alerts
20:23 JST 22 Aug 2011 Ibaraki-ken Oki 30 km 6.0 36.2 N 141.9 E3 No tsunami alerts
21:21 JST 22 Aug 2011 Fukushima-ken Oki 30 km 4.2 37.2 N 141.3 E3 No tsunami alerts
22:17 JST 22 Aug 2011 Tochigi-ken Nambu 10 km 2.8 36.6 N 139.6 E1 No tsunami alerts
22:19 JST 22 Aug 2011 Fukushima-ken Hamadori 10 km 3.1 37.1 N 140.9 E2 No tsunami alerts
23:14 JST 22 Aug 2011 Nemuro-hanto Nanto-oki 50 km 3.4 43.3 N 146.2 E1 No tsunami alerts
00:26 JST 23 Aug 2011 Fukushima-ken Oki 40 km 4.5 37.4 N 141.5 E3 No tsunami alerts
03:14 JST 23 Aug 2011 Ibaraki-ken Oki 40 km 3.7 36.3 N 140.9 E1 No tsunami alerts
04:21 JST 23 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.9 E1 No tsunami alerts
04:43 JST 23 Aug 2011 Kumamoto-ken Aso-chiho very shallow 2.5 32.8 N 131.0 E1 No tsunami alerts
06:09 JST 23 Aug 2011 Chiba-ken Toho-oki 50 km 3.7 35.7 N 140.8 E1 No tsunami alerts
07:04 JST 23 Aug 2011 Fukushima-ken Hamadori 50 km 4.3 37.2 N 141.0 E3 No tsunami alerts
07:11 JST 23 Aug 2011 Ibaraki-ken Oki 20 km 3.8 36.7 N 141.2 E1 No tsunami alerts
11:14 JST 23 Aug 2011 Chiba-ken Hokutobu 40 km 3.4 35.9 N 140.6 E2 No tsunami alerts
12:57 JST 23 Aug 2011 Fukushima-ken Oki 50 km 3.8 36.9 N 141.3 E1 No tsunami alerts
15:05 JST 23 Aug 2011 Urakawa Oki 60 km 4.3 42.0 N 142.5 E2 No tsunami alerts
16:35 JST 23 Aug 2011 Urakawa Oki 30 km 3.9 42.1 N 142.4 E1 No tsunami alerts
17:27 JST 23 Aug 2011 Ibaraki-ken Oki 50 km 4.2 36.8 N 141.0 E2 No tsunami alerts
18:07 JST 23 Aug 2011 Okinawa-honto Kinkai 60 km 3.8 27.2 N 128.3 E1 No tsunami alerts
20:00 JST 23 Aug 2011 Wakayama-ken Hokubu 10 km 2.9 34.2 N 135.2 E2 No tsunami alerts
20:56 JST 23 Aug 2011 Ibaraki-ken Oki 40 km 3.9 36.4 N 141.0 E1 No tsunami alerts
21:08 JST 23 Aug 2011 Fukushima-ken Aizu 10 km 2.7 37.7 N 139.9 E1 No tsunami alerts
23:08 JST 23 Aug 2011 Fukushima-ken Hamadori 20 km 3.2 36.9 N 140.7 E1 No tsunami alerts
23:30 JST 23 Aug 2011 Iwate-ken Oki 50 km 3.4 39.6 N 142.1 E1 No tsunami alerts
05:04 JST 24 Aug 2011 Fukushima-ken Oki 50 km 4.2 37.0 N 141.3 E2 No tsunami alerts
08:59 JST 24 Aug 2011 Miyagi-ken Oki 10 km 4.5 37.8 N 142.7 E1 No tsunami alerts
10:54 JST 24 Aug 2011 Fukushima-ken Hamadori 10 km 3.0 36.9 N 140.7 E1 No tsunami alerts
20:38 JST 24 Aug 2011 Ibaraki-ken Hokubu 20 km 3.4 36.8 N 140.7 E1 No tsunami alerts
22:40 JST 24 Aug 2011 Hokkaido Nansei-oki 10 km 3.5 41.5 N 139.8 E1 No tsunami alerts
22:58 JST 24 Aug 2011 Tokachi-chiho Hokubu very shallow 4.1 43.4 N 143.1 E1 No tsunami alerts
00:56 JST 25 Aug 2011 Ibaraki-ken Nambu 50 km 3.2 36.1 N 139.9 E2 No tsunami alerts
01:22 JST 25 Aug 2011 Amami-oshima Hokuto-oki 70 km 4.5 29.5 N 130.8 E1 No tsunami alerts
04:40 JST 25 Aug 2011 Miyagi-ken Oki 60 km 2.9 38.4 N 141.8 E1 No tsunami alerts
07:31 JST 25 Aug 2011 Iwate-ken Oki 50 km 3.2 39.6 N 142.1 E1 No tsunami alerts
07:52 JST 25 Aug 2011 Tokara-retto Kinkai 10 km 2.7 29.6 N 130.0 E1 No tsunami alerts
09:19 JST 25 Aug 2011 Amami-oshima Hokuto-oki very shallow 3.0 29.5 N 130.1 E1 No tsunami alerts
10:14 JST 25 Aug 2011 Ibaraki-ken Oki 50 km 3.7 36.6 N 140.9 E1 No tsunami alerts
10:28 JST 25 Aug 2011 Fukushima-ken Hamadori 20 km 3.7 37.0 N 140.6 E1 No tsunami alerts
11:45 JST 25 Aug 2011 Fukushima-ken Oki 60 km 3.7 37.3 N 141.2 E1 No tsunami alerts
13:07 JST 25 Aug 2011 Iwate-ken Oki 30 km 4.2 39.8 N 142.2 E2 No tsunami alerts
17:39 JST 25 Aug 2011 Ibaraki-ken Oki very shallow 4.0 35.9 N 140.9 E1 No tsunami alerts
18:23 JST 25 Aug 2011 Fukushima-ken Hamadori 20 km 3.5 37.0 N 140.7 E2 No tsunami alerts
18:54 JST 25 Aug 2011 Miyagi-ken Oki 40 km 2.9 38.8 N 142.0 E1 No tsunami alerts
20:20 JST 25 Aug 2011 Ibaraki-ken Oki 30 km 3.5 36.5 N 140.9 E2 No tsunami alerts
21:03 JST 25 Aug 2011 Chiba-ken Hokutobu 40 km 3.7 35.9 N 140.6 E2 No tsunami alerts
21:05 JST 25 Aug 2011 Chiba-ken Hokutobu 40 km 3.0 35.9 N 140.5 E1 No tsunami alerts
04:12 JST 26 Aug 2011 Fukushima-ken Oki 50 km 4.2 37.5 N 141.4 E1 No tsunami alerts
04:25 JST 26 Aug 2011 Ibaraki-ken Hokubu 20 km 3.6 36.8 N 140.7 E2 No tsunami alerts
05:12 JST 26 Aug 2011 Fukushima-ken Nakadori 20 km 2.6 37.1 N 140.5 E1 No tsunami alerts
05:13 JST 26 Aug 2011 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
06:20 JST 26 Aug 2011 Akita-ken Nairiku-nambu very shallow 2.1 39.6 N 140.6 E1 No tsunami alerts
08:09 JST 26 Aug 2011 Fukushima-ken Oki 50 km 4.1 37.0 N 141.3 E2 No tsunami alerts
08:34 JST 26 Aug 2011 Miyagi-ken Oki 50 km 4.0 38.9 N 141.9 E2 No tsunami alerts
09:36 JST 26 Aug 2011 Ibaraki-ken Nambu 20 km 2.5 36.0 N 140.6 E1 No tsunami alerts
11:39 JST 26 Aug 2011 Fukushima-ken Hamadori very shallow 3.5 37.1 N 140.9 E2 No tsunami alerts
12:57 JST 26 Aug 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.9 E1 No tsunami alerts
16:37 JST 26 Aug 2011 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.7 E1 No tsunami alerts
18:57 JST 26 Aug 2011 Aomori-ken Toho-oki 60 km 3.1 41.0 N 142.0 E1 No tsunami alerts
20:08 JST 26 Aug 2011 Miyagi-ken Oki 50 km 3.5 38.9 N 142.3 E1 No tsunami alerts
21:26 JST 26 Aug 2011 Ibaraki-ken Nambu 50 km 3.6 36.2 N 139.9 E2 No tsunami alerts
01:51 JST 27 Aug 2011 Fukushima-ken Oki 40 km 3.6 37.2 N 141.5 E2 No tsunami alerts
05:56 JST 27 Aug 2011 Tochigi-ken Hokubu very shallow 2.2 36.8 N 139.4 E2 No tsunami alerts
06:22 JST 27 Aug 2011 Ibaraki-ken Hokubu 10 km 2.5 36.6 N 140.6 E1 No tsunami alerts
09:16 JST 27 Aug 2011 Fukushima-ken Oki 10 km 4.6 37.0 N 141.5 E2 No tsunami alerts
09:45 JST 27 Aug 2011 Tokara-retto Kinkai 20 km 3.1 29.4 N 129.5 E2 No tsunami alerts
10:08 JST 27 Aug 2011 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.6 E1 No tsunami alerts
11:35 JST 27 Aug 2011 Ibaraki-ken Hokubu 20 km 4.3 36.8 N 140.7 E3 No tsunami alerts
11:37 JST 27 Aug 2011 Ibaraki-ken Hokubu 20 km 3.9 36.8 N 140.7 E2 No tsunami alerts
13:47 JST 27 Aug 2011 Fukushima-ken Hamadori 20 km 3.4 36.9 N 140.7 E1 No tsunami alerts
13:50 JST 27 Aug 2011 Miyakojima Kinkai 30 km 3.5 24.6 N 125.2 E1 No tsunami alerts
13:50 JST 27 Aug 2011 Miyakojima Kinkai 30 km 3.5 24.6 N 125.2 E2 Intensity correction
14:05 JST 27 Aug 2011 Ibaraki-ken Oki 20 km 4.3 36.7 N 140.8 E4 No tsunami alerts
14:09 JST 27 Aug 2011 Fukushima-ken Oki 40 km 4.3 37.6 N 141.8 E2 No tsunami alerts
16:17 JST 27 Aug 2011 Ibaraki-ken Oki 20 km 3.9 36.8 N 141.4 E1 No tsunami alerts
17:44 JST 27 Aug 2011 Iwate-ken Oki 40 km 4.1 40.1 N 142.5 E1 No tsunami alerts
17:45 JST 27 Aug 2011 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.8 E1 No tsunami alerts
18:14 JST 27 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
18:17 JST 27 Aug 2011 Fukushima-ken Hamadori very shallow 2.8 37.1 N 140.9 E1 No tsunami alerts
19:11 JST 27 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
19:14 JST 27 Aug 2011 Fukushima-ken Hamadori 10 km 2.7 37.1 N 140.9 E1 No tsunami alerts
23:29 JST 27 Aug 2011 Fukushima-ken Oki 20 km 4.8 37.0 N 141.5 E2 No tsunami alerts
23:32 JST 27 Aug 2011 Wakayama-ken Nambu 40 km 3.3 33.8 N 135.6 E1 No tsunami alerts
23:34 JST 27 Aug 2011 Fukushima-ken Oki 20 km 4.4 37.0 N 141.3 E2 No tsunami alerts
00:44 JST 28 Aug 2011 Amami-oshima Kinkai 30 km 3.5 27.9 N 129.6 E1 No tsunami alerts
00:50 JST 28 Aug 2011 Amami-oshima Kinkai 30 km 4.5 28.0 N 129.5 E2 No tsunami alerts
01:14 JST 28 Aug 2011 Amami-oshima Kinkai 30 km 4.1 27.9 N 129.6 E2 No tsunami alerts
02:25 JST 28 Aug 2011 Tokyo-to Nijusan-ku 90 km 3.5 35.7 N 139.6 E1 No tsunami alerts
04:49 JST 28 Aug 2011 Amami-oshima Kinkai 20 km 4.2 27.9 N 129.6 E2 No tsunami alerts
09:52 JST 28 Aug 2011 Osumi-hanto Toho-oki 40 km 4.2 31.1 N 131.5 E1 No tsunami alerts
09:54 JST 28 Aug 2011 Ibaraki-ken Oki 30 km 3.2 36.3 N 141.0 E1 No tsunami alerts
10:23 JST 28 Aug 2011 Miyagi-ken Oki 40 km 4.2 38.5 N 142.2 E1 No tsunami alerts
13:47 JST 28 Aug 2011 Ibaraki-ken Oki 30 km 3.1 36.7 N 141.1 E1 No tsunami alerts
18:23 JST 28 Aug 2011 Wakayama-ken Hokubu very shallow 4.0 34.1 N 135.3 E3 No tsunami alerts
18:37 JST 28 Aug 2011 Fukushima-ken Oki very shallow 3.3 37.1 N 141.0 E1 No tsunami alerts
20:13 JST 28 Aug 2011 Miyagi-ken Oki 30 km 4.0 38.4 N 142.3 E1 No tsunami alerts
23:57 JST 28 Aug 2011 Fukushima-ken Aizu 10 km 2.5 37.7 N 139.9 E2 No tsunami alerts
00:47 JST 29 Aug 2011 Suruga-wan 20 km 3.2 34.7 N 138.6 E1 No tsunami alerts
00:55 JST 29 Aug 2011 Tokara-retto Kinkai 10 km 3.1 29.4 N 129.6 E3 No tsunami alerts
01:22 JST 29 Aug 2011 Ibaraki-ken Oki 20 km 3.4 36.6 N 141.2 E1 No tsunami alerts
01:48 JST 29 Aug 2011 Fukushima-ken Hamadori 20 km 3.1 37.0 N 140.6 E1 No tsunami alerts
05:20 JST 29 Aug 2011 Iwate-ken Engan-nambu 60 km 3.0 39.4 N 141.8 E1 No tsunami alerts
08:07 JST 29 Aug 2011 Yamagata-ken Okitama-chiho 10 km 2.6 37.8 N 140.0 E1 No tsunami alerts
08:13 JST 29 Aug 2011 Kushiro-chiho Chunambu 80 km 3.3 43.1 N 144.7 E1 No tsunami alerts
08:17 JST 29 Aug 2011 Fukushima-ken Hamadori 10 km 3.6 37.0 N 140.7 E1 No tsunami alerts
09:54 JST 29 Aug 2011 Ibaraki-ken Oki very shallow 4.1 36.4 N 141.0 E1 No tsunami alerts
10:49 JST 29 Aug 2011 Ibaraki-ken Hokubu 10 km 3.7 36.8 N 140.6 E1 No tsunami alerts
11:02 JST 29 Aug 2011 Uchiura-wan 10 km 3.3 42.0 N 141.0 E2 No tsunami alerts
12:00 JST 29 Aug 2011 Iwate-ken Oki 50 km 3.7 39.9 N 142.2 E1 No tsunami alerts
12:45 JST 29 Aug 2011 Ibaraki-ken Oki 50 km 2.9 36.4 N 140.7 E1 No tsunami alerts
13:34 JST 29 Aug 2011 Kanagawa-ken Seibu 20 km 3.1 35.4 N 139.0 E2 No tsunami alerts
17:07 JST 29 Aug 2011 Fukushima-ken Oki 10 km 4.6 37.2 N 142.3 E2 No tsunami alerts
20:41 JST 29 Aug 2011 Ibaraki-ken Hokubu 10 km 2.5 36.7 N 140.6 E2 No tsunami alerts
22:31 JST 29 Aug 2011 Nagano-ken Chubu very shallow 3.0 36.3 N 137.7 E1 No tsunami alerts
03:22 JST 30 Aug 2011 Ibaraki-ken Oki 10 km 4.6 36.5 N 141.0 E3 No tsunami alerts
05:20 JST 30 Aug 2011 Miyagi-ken Oki 50 km 3.0 38.7 N 141.8 E1 No tsunami alerts
06:32 JST 30 Aug 2011 Miyagi-ken Oki 50 km 3.9 38.9 N 141.9 E2 No tsunami alerts
06:44 JST 30 Aug 2011 Miyagi-ken Oki 40 km 4.0 38.4 N 142.2 E1 No tsunami alerts
09:39 JST 30 Aug 2011 Suruga-wan 20 km 3.0 34.7 N 138.5 E1 No tsunami alerts
10:50 JST 30 Aug 2011 Fukushima-ken Nakadori 130 km 3.6 37.2 N 140.2 E2 No tsunami alerts
11:29 JST 30 Aug 2011 Miyagi-ken Oki 30 km 4.0 38.5 N 142.1 E2 No tsunami alerts
12:33 JST 30 Aug 2011 Miyagi-ken Hokubu 70 km 3.5 38.7 N 141.5 E2 No tsunami alerts
13:18 JST 30 Aug 2011 Mie-ken Nanto-oki 20 km 3.5 34.1 N 136.5 E1 No tsunami alerts
16:14 JST 30 Aug 2011 Iwate-ken Oki 30 km 3.3 39.1 N 142.4 E1 No tsunami alerts
16:23 JST 30 Aug 2011 Fukushima-ken Hamadori 10 km 3.4 37.2 N 141.0 E2 No tsunami alerts
16:33 JST 30 Aug 2011 Fukushima-ken Hamadori 20 km 3.6 37.1 N 140.7 E2 No tsunami alerts
16:48 JST 30 Aug 2011 Ibaraki-ken Hokubu very shallow 3.0 36.7 N 140.7 E1 No tsunami alerts
17:47 JST 30 Aug 2011 Iwate-ken Oki 40 km 3.7 39.0 N 142.4 E1 No tsunami alerts
18:07 JST 30 Aug 2011 Sanriku Oki 10 km 4.7 39.7 N 143.7 E1 No tsunami alerts
18:20 JST 30 Aug 2011 Urakawa Oki 100 km 3.9 42.4 N 142.1 E2 No tsunami alerts
19:41 JST 30 Aug 2011 Fukushima-ken Nakadori 10 km 2.8 37.3 N 140.0 E2 No tsunami alerts
21:46 JST 30 Aug 2011 Miyagi-ken Oki 50 km 3.7 38.5 N 141.7 E2 No tsunami alerts
22:44 JST 30 Aug 2011 Akita-ken Nairiku-nambu 160 km 4.9 39.2 N 140.6 E2 No tsunami alerts
23:12 JST 30 Aug 2011 Akita-ken Nairiku-hokubu 10 km 2.6 40.1 N 140.5 E1 No tsunami alerts
00:24 JST 31 Aug 2011 Yamagata-ken Okitama-chiho very shallow 2.7 37.8 N 140.0 E1 No tsunami alerts
02:20 JST 31 Aug 2011 Chiba-ken Toho-oki 10 km 4.3 35.8 N 141.0 E3 No tsunami alerts
04:04 JST 31 Aug 2011 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E2 No tsunami alerts
05:43 JST 31 Aug 2011 Miyagi-ken Chubu 10 km 2.4 38.3 N 140.7 E1 No tsunami alerts
16:40 JST 31 Aug 2011 Iwate-ken Oki 50 km 3.4 39.1 N 142.1 E1 No tsunami alerts
18:13 JST 31 Aug 2011 Miyagi-ken Oki 40 km 4.6 38.3 N 142.0 E2 No tsunami alerts
18:33 JST 31 Aug 2011 Chiba-ken Hokuseibu 90 km 4.5 35.5 N 140.1 E3 No tsunami alerts
19:12 JST 31 Aug 2011 Kanagawa-ken Tobu 120 km 3.7 35.6 N 139.5 E1 No tsunami alerts
19:59 JST 31 Aug 2011 Hokkaido Nansei-oki 10 km 3.3 42.4 N 139.3 E2 No tsunami alerts
21:42 JST 31 Aug 2011 Chiba-ken Toho-oki very shallow 3.8 35.8 N 141.0 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