J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
00:20 JST 01 Apr 2012 Kumamoto-ken Kumamoto-chiho 10 km 2.5 32.9 N 130.9 E2 No tsunami alerts
02:13 JST 01 Apr 2012 Ibaraki-ken Hokubu 10 km 4.0 36.7 N 140.7 E3 No tsunami alerts
03:50 JST 01 Apr 2012 Fukushima-ken Oki 50 km 3.9 37.5 N 141.5 E1 No tsunami alerts
04:13 JST 01 Apr 2012 Hidaka-chiho Seibu 40 km 3.2 42.8 N 142.5 E1 No tsunami alerts
04:53 JST 01 Apr 2012 Iyo-nada 40 km 3.0 33.7 N 132.5 E1 No tsunami alerts
07:30 JST 01 Apr 2012 Iwate-ken Engan-hokubu 60 km 4.2 39.8 N 141.8 E2 No tsunami alerts
07:38 JST 01 Apr 2012 Ibaraki-ken Hokubu very shallow 2.7 36.7 N 140.7 E1 No tsunami alerts
12:10 JST 01 Apr 2012 Urakawa Oki 10 km 1.8 42.1 N 142.6 E1 No tsunami alerts
13:48 JST 01 Apr 2012 Ibaraki-ken Hokubu 60 km 3.6 36.3 N 140.5 E1 No tsunami alerts
17:49 JST 01 Apr 2012 Miyagi-ken Oki 20 km 4.4 37.9 N 142.6 E1 No tsunami alerts
19:00 JST 01 Apr 2012 Ibaraki-ken Hokubu 10 km 3.4 36.8 N 140.6 E2 No tsunami alerts
23:04 JST 01 Apr 2012 Fukushima-ken Oki 50 km 5.9 37.1 N 141.3 EUnknNo tsunami alerts
23:04 JST 01 Apr 2012 Fukushima-ken Oki 50 km 5.9 37.1 N 141.3 E5 lower Intensity correction
03:17 JST 02 Apr 2012 Ibaraki-ken Oki 50 km 3.6 36.6 N 140.9 E1 No tsunami alerts
04:58 JST 02 Apr 2012 Wakayama-ken Hokubu 10 km 2.4 34.3 N 135.4 E1 No tsunami alerts
06:55 JST 02 Apr 2012 Iwate-ken Oki 20 km 4.0 39.8 N 142.4 E1 No tsunami alerts
13:51 JST 02 Apr 2012 Miyagi-ken Oki 30 km 4.2 38.8 N 142.6 E1 No tsunami alerts
15:21 JST 02 Apr 2012 Ibaraki-ken Oki 10 km 3.4 35.9 N 141.0 E1 No tsunami alerts
16:39 JST 02 Apr 2012 Iyo-nada 60 km 4.2 33.8 N 132.2 E2 No tsunami alerts
21:53 JST 02 Apr 2012 Iwate-ken Oki 70 km 4.0 39.0 N 141.8 E2 No tsunami alerts
00:05 JST 03 Apr 2012 Fukushima-ken Nakadori 20 km 2.6 37.0 N 140.5 E1 No tsunami alerts
01:57 JST 03 Apr 2012 Fukushima-ken Hamadori 10 km 3.0 37.2 N 141.0 E1 No tsunami alerts
02:48 JST 03 Apr 2012 Miyagi-ken Oki 50 km 4.0 38.9 N 142.0 E3 No tsunami alerts
08:33 JST 03 Apr 2012 Fukushima-ken Oki 50 km 4.2 37.5 N 141.6 E2 No tsunami alerts
09:56 JST 03 Apr 2012 Fukushima-ken Hamadori 20 km 4.0 37.0 N 140.7 E2 No tsunami alerts
10:28 JST 03 Apr 2012 Hidaka-chiho Tobu 60 km 3.6 42.3 N 143.0 E1 No tsunami alerts
10:56 JST 03 Apr 2012 Nagano-ken Hokubu 20 km 3.1 36.8 N 138.6 E1 No tsunami alerts
12:13 JST 03 Apr 2012 Saitama-ken Nambu 100 km 4.0 35.9 N 139.6 E2 No tsunami alerts
18:10 JST 03 Apr 2012 Hyuga-nada very shallow 4.3 32.2 N 132.1 E2 No tsunami alerts
20:52 JST 03 Apr 2012 Iwate-ken Oki 30 km 4.6 40.2 N 142.5 E2 No tsunami alerts
07:41 JST 04 Apr 2012 Aomori-ken Toho-oki 10 km 4.1 41.3 N 142.7 E1 No tsunami alerts
09:13 JST 04 Apr 2012 Fukushima-ken Oki 10 km 4.8 36.9 N 142.1 E1 No tsunami alerts
12:05 JST 04 Apr 2012 Iwate-ken Oki 20 km 3.7 39.8 N 142.3 E1 No tsunami alerts
21:12 JST 04 Apr 2012 Ibaraki-ken Oki 20 km 3.5 36.0 N 141.1 E1 No tsunami alerts
00:44 JST 05 Apr 2012 Ibaraki-ken Hokubu 10 km 3.0 36.6 N 140.6 E1 No tsunami alerts
01:06 JST 05 Apr 2012 Chiba-ken Toho-oki 50 km 3.7 35.7 N 140.8 E2 No tsunami alerts
02:27 JST 05 Apr 2012 Miyagi-ken Oki 50 km 4.1 38.3 N 141.9 E1 No tsunami alerts
04:45 JST 05 Apr 2012 Nemuro-chiho Hokubu 10 km 3.1 43.8 N 144.9 E1 No tsunami alerts
20:56 JST 05 Apr 2012 Suruga-wan 20 km 3.6 34.7 N 138.6 E1 No tsunami alerts
23:23 JST 05 Apr 2012 Chiba-ken Toho-oki 10 km 3.5 35.8 N 141.0 E1 No tsunami alerts
02:07 JST 06 Apr 2012 Akita-ken Nairiku-hokubu 10 km 2.4 40.0 N 140.5 E1 No tsunami alerts
03:29 JST 06 Apr 2012 Chiba-ken Toho-oki 10 km 3.7 35.7 N 141.0 E2 No tsunami alerts
08:04 JST 06 Apr 2012 Chiba-ken Toho-oki 10 km 2.8 35.6 N 140.9 E1 No tsunami alerts
10:54 JST 06 Apr 2012 Fukushima-ken Oki 40 km 3.9 37.4 N 141.5 E1 No tsunami alerts
18:22 JST 06 Apr 2012 Chiba-ken Toho-oki 10 km 3.3 35.8 N 141.0 E1 No tsunami alerts
01:38 JST 07 Apr 2012 Miyagi-ken Oki 50 km 3.5 38.2 N 141.7 E1 No tsunami alerts
17:31 JST 07 Apr 2012 Ibaraki-ken Oki 40 km 4.0 35.9 N 141.1 E2 No tsunami alerts
19:26 JST 07 Apr 2012 Ibaraki-ken Oki 50 km 3.4 36.5 N 140.9 E1 No tsunami alerts
03:00 JST 08 Apr 2012 Oshima-chiho Tobu 10 km 2.6 41.9 N 140.6 E1 No tsunami alerts
06:06 JST 08 Apr 2012 Iwate-ken Oki 50 km 3.4 39.1 N 142.1 E1 No tsunami alerts
06:44 JST 08 Apr 2012 Iwate-ken Oki 20 km 3.9 39.7 N 142.2 E2 No tsunami alerts
07:15 JST 08 Apr 2012 Ibaraki-ken Oki 60 km 4.0 36.4 N 140.8 E2 No tsunami alerts
10:18 JST 08 Apr 2012 Tokara-retto Kinkai very shallow 3.2 29.2 N 129.1 E1 No tsunami alerts
14:45 JST 08 Apr 2012 Fukushima-ken Oki 50 km 4.1 37.5 N 141.5 E2 No tsunami alerts
20:59 JST 08 Apr 2012 Fukushima-ken Oki 50 km 3.1 37.3 N 141.3 E1 No tsunami alerts
06:43 JST 09 Apr 2012 Taiwan and its Vicinity 20 km 5.8 24.0 N 122.3 E2 No tsunami alerts
07:05 JST 09 Apr 2012 Saitama-ken Nambu 20 km 2.8 36.0 N 139.6 E1 No tsunami alerts
17:25 JST 09 Apr 2012 Ibaraki-ken Nambu 70 km 3.7 36.0 N 140.1 E1 No tsunami alerts
20:40 JST 09 Apr 2012 Yamanashi-ken Tobu-Fujigoko 20 km 2.2 35.5 N 139.0 E1 No tsunami alerts
03:48 JST 10 Apr 2012 Miyagi-ken Oki 40 km 3.8 38.3 N 142.1 E1 No tsunami alerts
05:33 JST 10 Apr 2012 Abashiri-chiho 10 km 2.8 44.0 N 145.0 E1 No tsunami alerts
06:14 JST 10 Apr 2012 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.7 E1 No tsunami alerts
10:26 JST 10 Apr 2012 Iwate-ken Oki 20 km 4.0 39.8 N 142.3 E2 No tsunami alerts
11:57 JST 10 Apr 2012 Miyagi-ken Oki 40 km 4.4 38.8 N 142.2 E2 No tsunami alerts
13:54 JST 10 Apr 2012 Chiba-ken Toho-oki 10 km 3.1 35.7 N 141.0 E1 No tsunami alerts
20:45 JST 10 Apr 2012 Iwate-ken Oki 30 km 4.3 39.1 N 142.4 E1 No tsunami alerts
03:41 JST 11 Apr 2012 Tokushima-ken Hokubu 10 km 3.6 34.0 N 133.7 E2 No tsunami alerts
16:22 JST 11 Apr 2012 Fukuoka-ken Hokusei-oki 10 km 2.9 33.8 N 130.2 E1 No tsunami alerts
17:44 JST 11 Apr 2012 Nagano-ken Nambu 10 km 2.6 35.9 N 137.6 E1 No tsunami alerts
00:15 JST 12 Apr 2012 Miyagi-ken Oki 60 km 3.4 38.3 N 141.8 E1 No tsunami alerts
04:13 JST 12 Apr 2012 Iwate-ken Oki 20 km 3.7 39.8 N 142.3 E1 No tsunami alerts
05:29 JST 12 Apr 2012 Iwate-ken Oki 50 km 4.5 39.7 N 142.1 E3 No tsunami alerts
10:55 JST 12 Apr 2012 Iwate-ken Oki 20 km 3.8 39.8 N 142.3 E2 No tsunami alerts
13:49 JST 12 Apr 2012 Chiba-ken Toho-oki 10 km 3.7 35.7 N 141.1 E1 No tsunami alerts
20:20 JST 12 Apr 2012 Ibaraki-ken Oki 20 km 5.5 36.8 N 141.4 EUnknNo tsunami alerts
20:20 JST 12 Apr 2012 Ibaraki-ken Oki 20 km 5.5 36.8 N 141.4 E4 Intensity correction
22:07 JST 12 Apr 2012 Gifu-ken Hida-chiho 10 km 3.6 35.9 N 137.3 E3 No tsunami alerts
22:57 JST 12 Apr 2012 Fukushima-ken Aizu very shallow 3.0 37.7 N 139.9 E2 No tsunami alerts
23:51 JST 12 Apr 2012 Fukushima-ken Oki 30 km 5.9 37.4 N 141.8 E4 No tsunami alerts
00:05 JST 13 Apr 2012 Noto-hanto Oki 10 km 3.0 37.3 N 136.7 E1 No tsunami alerts
00:51 JST 13 Apr 2012 Ibaraki-ken Oki 20 km 4.1 36.8 N 141.3 E1 No tsunami alerts
02:15 JST 13 Apr 2012 Ibaraki-ken Oki 30 km 4.0 36.8 N 141.4 E2 No tsunami alerts
03:02 JST 13 Apr 2012 Miyagi-ken Oki 60 km 2.7 38.5 N 141.7 E1 No tsunami alerts
10:38 JST 13 Apr 2012 Chiba-ken Toho-oki 10 km 3.4 35.7 N 141.0 E1 No tsunami alerts
11:28 JST 13 Apr 2012 Iwate-ken Oki 20 km 3.9 39.8 N 142.3 E1 No tsunami alerts
16:40 JST 13 Apr 2012 Miyagi-ken Oki 50 km 3.7 38.9 N 141.9 E1 No tsunami alerts
19:10 JST 13 Apr 2012 Fukushima-ken Oki 20 km 5.9 36.9 N 141.5 EUnknNo tsunami alerts
19:16 JST 13 Apr 2012 Fukushima-ken Oki 20 km 4.5 37.0 N 141.5 E2 No tsunami alerts
19:33 JST 13 Apr 2012 Fukushima-ken Oki 20 km 4.1 37.0 N 141.4 E2 No tsunami alerts
20:04 JST 13 Apr 2012 Fukushima-ken Oki 20 km 4.0 36.9 N 141.4 E1 No tsunami alerts
21:12 JST 13 Apr 2012 Fukushima-ken Oki 10 km 5.2 37.0 N 141.4 E3 No tsunami alerts
21:15 JST 13 Apr 2012 Fukushima-ken Oki 20 km 3.4 37.0 N 141.4 E1 No tsunami alerts
21:30 JST 13 Apr 2012 Ibaraki-ken Oki 20 km 4.2 36.7 N 140.8 E3 No tsunami alerts
21:52 JST 13 Apr 2012 Fukushima-ken Oki 20 km 3.6 36.9 N 141.4 E1 No tsunami alerts
23:53 JST 13 Apr 2012 Fukushima-ken Oki 30 km 4.2 37.0 N 141.5 E2 No tsunami alerts
23:56 JST 13 Apr 2012 Miyagi-ken Oki 60 km 3.3 38.8 N 142.0 E1 No tsunami alerts
00:26 JST 14 Apr 2012 Fukushima-ken Oki 20 km 4.4 36.9 N 141.4 E2 No tsunami alerts
00:55 JST 14 Apr 2012 Sanriku Oki 10 km 4.8 38.1 N 142.8 E1 No tsunami alerts
00:57 JST 14 Apr 2012 Fukushima-ken Oki 20 km 4.1 37.0 N 141.4 E1 No tsunami alerts
01:52 JST 14 Apr 2012 Fukushima-ken Oki 20 km 4.3 37.0 N 141.4 E2 No tsunami alerts
03:25 JST 14 Apr 2012 Miyagi-ken Oki 30 km 4.4 38.4 N 142.2 E2 No tsunami alerts
04:00 JST 14 Apr 2012 Ibaraki-ken Oki 50 km 3.9 36.5 N 140.8 E3 No tsunami alerts
04:37 JST 14 Apr 2012 Hokkaido Hokusei-oki 10 km 2.6 44.5 N 141.2 E1 No tsunami alerts
07:54 JST 14 Apr 2012 Chiba-ken Toho-oki 10 km 3.6 35.8 N 140.9 E2 No tsunami alerts
10:11 JST 14 Apr 2012 Iwate-ken Oki 50 km 4.3 39.1 N 142.4 E2 No tsunami alerts
11:10 JST 14 Apr 2012 Chiba-ken Toho-oki 10 km 3.9 35.8 N 140.9 E1 No tsunami alerts
11:33 JST 14 Apr 2012 Ibaraki-ken Hokubu 10 km 3.3 36.8 N 140.6 E1 No tsunami alerts
17:46 JST 14 Apr 2012 Fukushima-ken Oki 70 km 4.3 36.9 N 141.4 E3 No tsunami alerts
18:06 JST 14 Apr 2012 Ibaraki-ken Oki 20 km 3.9 36.8 N 141.4 E1 No tsunami alerts
18:25 JST 14 Apr 2012 Ibaraki-ken Oki 20 km 5.0 36.8 N 141.4 E3 No tsunami alerts
18:57 JST 14 Apr 2012 Fukushima-ken Oki 20 km 3.9 36.9 N 141.4 E1 No tsunami alerts
19:48 JST 14 Apr 2012 Fukushima-ken Oki 10 km 4.5 37.2 N 141.5 E2 No tsunami alerts
19:51 JST 14 Apr 2012 Fukushima-ken Oki 10 km 4.6 37.2 N 141.4 E2 No tsunami alerts
20:00 JST 14 Apr 2012 Ibaraki-ken Oki 20 km 3.6 36.8 N 141.3 E1 No tsunami alerts
20:08 JST 14 Apr 2012 Iwate-ken Oki 20 km 4.2 39.8 N 142.3 E2 No tsunami alerts
21:40 JST 14 Apr 2012 Tokara-retto Kinkai 40 km 4.7 30.0 N 130.4 E3 No tsunami alerts
22:17 JST 14 Apr 2012 Fukushima-ken Oki 10 km 4.3 37.1 N 141.5 E1 No tsunami alerts
22:53 JST 14 Apr 2012 Ibaraki-ken Oki 10 km 3.8 36.8 N 141.4 E1 No tsunami alerts
23:05 JST 14 Apr 2012 Miyagi-ken Oki 50 km 2.6 38.5 N 141.7 E1 No tsunami alerts
23:13 JST 14 Apr 2012 Fukushima-ken Oki 20 km 4.0 37.0 N 141.2 E1 No tsunami alerts
00:05 JST 15 Apr 2012 Fukushima-ken Oki 20 km 4.4 37.0 N 141.4 E2 No tsunami alerts
00:08 JST 15 Apr 2012 Fukushima-ken Oki very shallow 4.4 37.2 N 141.5 E2 No tsunami alerts
00:56 JST 15 Apr 2012 Chiba-ken Toho-oki 20 km 3.7 35.6 N 141.0 E1 No tsunami alerts
02:26 JST 15 Apr 2012 Fukushima-ken Oki 10 km 3.5 37.1 N 141.3 E1 No tsunami alerts
02:57 JST 15 Apr 2012 Tochigi-ken Hokubu 10 km 2.0 36.7 N 139.4 E1 No tsunami alerts
05:41 JST 15 Apr 2012 Ibaraki-ken Oki 30 km 4.0 36.8 N 141.2 E2 No tsunami alerts
08:18 JST 15 Apr 2012 Ibaraki-ken Oki 30 km 3.6 36.7 N 141.3 E1 No tsunami alerts
13:33 JST 15 Apr 2012 Miyagi-ken Oki 50 km 3.1 38.9 N 141.9 E1 No tsunami alerts
13:45 JST 15 Apr 2012 Tokushima-ken Hokubu 10 km 3.4 34.0 N 134.5 E2 No tsunami alerts
19:36 JST 15 Apr 2012 Fukushima-ken Oki 10 km 4.7 37.0 N 141.4 E2 No tsunami alerts
22:01 JST 15 Apr 2012 Iwate-ken Oki 50 km 3.2 39.7 N 142.1 E1 No tsunami alerts
23:29 JST 15 Apr 2012 Iwate-ken Oki 50 km 3.8 39.9 N 142.2 E1 No tsunami alerts
01:35 JST 16 Apr 2012 Miyagi-ken Oki 30 km 4.1 38.8 N 142.5 E1 No tsunami alerts
01:59 JST 16 Apr 2012 Yamagata-ken Okitama-chiho 10 km 3.2 37.8 N 140.0 E2 No tsunami alerts
23:26 JST 16 Apr 2012 Gifu-ken Mino-chuseibu 10 km 2.8 35.6 N 136.4 E1 No tsunami alerts
01:05 JST 17 Apr 2012 Miyagi-ken Oki 40 km 3.4 38.3 N 142.2 E1 No tsunami alerts
01:21 JST 17 Apr 2012 Ibaraki-ken Hokubu 50 km 3.6 36.4 N 140.6 E1 No tsunami alerts
03:45 JST 17 Apr 2012 Akita-ken Nairiku-hokubu 10 km 2.0 40.0 N 140.5 E1 No tsunami alerts
05:49 JST 17 Apr 2012 Iwate-ken Nairiku-nambu 10 km 2.9 39.5 N 141.4 E1 No tsunami alerts
07:59 JST 17 Apr 2012 Kushiro Oki 50 km 3.8 42.7 N 145.1 E1 No tsunami alerts
11:15 JST 17 Apr 2012 Chichijima Kinkai 10 km 5.3 27.1 N 141.0 E1 No tsunami alerts
12:13 JST 17 Apr 2012 Gifu-ken Mino-tobu 60 km 3.0 35.4 N 137.4 E1 No tsunami alerts
13:25 JST 17 Apr 2012 Miyagi-ken Oki 30 km 4.4 38.4 N 142.3 E2 No tsunami alerts
14:54 JST 17 Apr 2012 Miyakejima Kinkai 20 km 3.0 34.0 N 139.3 E1 No tsunami alerts
16:53 JST 17 Apr 2012 Mie-ken Nanto-oki 30 km 3.6 34.0 N 136.3 E1 No tsunami alerts
17:51 JST 17 Apr 2012 Miyagi-ken Oki 50 km 3.8 38.9 N 142.0 E1 No tsunami alerts
21:29 JST 17 Apr 2012 Fukushima-ken Oki 20 km 4.5 37.0 N 141.4 E2 No tsunami alerts
22:15 JST 17 Apr 2012 Ibaraki-ken Hokubu 10 km 3.2 36.7 N 140.7 E1 No tsunami alerts
23:29 JST 17 Apr 2012 Miyagi-ken Oki 40 km 4.2 38.8 N 142.5 E2 No tsunami alerts
02:20 JST 18 Apr 2012 Ibaraki-ken Oki 20 km 4.3 36.7 N 141.4 E2 No tsunami alerts
05:12 JST 18 Apr 2012 Nemuro-hanto Nanto-oki 50 km 3.0 43.0 N 145.8 E1 No tsunami alerts
05:34 JST 18 Apr 2012 Miyagi-ken Oki 30 km 3.8 38.4 N 142.2 E1 No tsunami alerts
07:13 JST 18 Apr 2012 Ibaraki-ken Nambu 50 km 3.5 36.1 N 139.9 E2 No tsunami alerts
07:36 JST 18 Apr 2012 Fukushima-ken Hamadori 10 km 3.2 37.2 N 141.0 E1 No tsunami alerts
10:08 JST 18 Apr 2012 Fukushima-ken Hamadori 10 km 3.0 37.2 N 140.9 E1 No tsunami alerts
12:39 JST 18 Apr 2012 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E2 No tsunami alerts
16:03 JST 18 Apr 2012 Fukushima-ken Aizu 10 km 3.2 37.7 N 140.0 E2 No tsunami alerts
16:06 JST 18 Apr 2012 Fukushima-ken Aizu 10 km 3.7 37.7 N 140.0 E2 No tsunami alerts
16:35 JST 18 Apr 2012 Bungo-suido 30 km 3.1 33.2 N 132.4 E1 No tsunami alerts
00:13 JST 19 Apr 2012 Kamikawa-chiho Nambu very shallow 2.2 43.4 N 142.6 E1 No tsunami alerts
01:19 JST 19 Apr 2012 Iwate-ken Oki 30 km 3.9 40.3 N 142.6 E1 No tsunami alerts
02:07 JST 19 Apr 2012 Niigata-ken Chuetsu-chiho very shallow 2.7 37.3 N 139.1 E1 No tsunami alerts
03:04 JST 19 Apr 2012 Kamikawa-chiho Nambu very shallow 2.8 43.4 N 142.6 E2 No tsunami alerts
04:38 JST 19 Apr 2012 Chiba-ken Toho-oki 10 km 2.9 35.8 N 141.0 E1 No tsunami alerts
05:22 JST 19 Apr 2012 Iwate-ken Oki 50 km 3.3 39.7 N 142.1 E1 No tsunami alerts
06:20 JST 19 Apr 2012 Ishikari-chiho Chubu 10 km 2.7 43.0 N 141.3 E2 No tsunami alerts
09:51 JST 19 Apr 2012 Kumamoto-ken Aso-chiho very shallow 1.5 32.9 N 131.1 E1 No tsunami alerts
12:33 JST 19 Apr 2012 Fukushima-ken Oki 20 km 5.1 36.9 N 141.4 E4 No tsunami alerts
12:33 JST 19 Apr 2012 Fukushima-ken Oki 20 km 5.1 36.9 N 141.4 E4 Intensity correction
13:31 JST 19 Apr 2012 Fukushima-ken Oki 50 km 3.3 36.9 N 141.1 E1 No tsunami alerts
13:55 JST 19 Apr 2012 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.7 E1 No tsunami alerts
17:41 JST 19 Apr 2012 Miyagi-ken Oki 60 km 4.3 38.4 N 142.0 E3 No tsunami alerts
19:04 JST 19 Apr 2012 Miyagi-ken Oki 60 km 3.0 38.5 N 141.8 E1 No tsunami alerts
20:13 JST 19 Apr 2012 Wakayama-ken Hokubu very shallow 2.1 34.3 N 135.4 E1 No tsunami alerts
23:35 JST 19 Apr 2012 Niigata-ken Chuetsu-chiho very shallow 3.2 37.2 N 139.1 E2 No tsunami alerts
06:54 JST 20 Apr 2012 Fukushima-ken Oki 20 km 4.0 37.0 N 141.5 E2 No tsunami alerts
07:53 JST 20 Apr 2012 Yamagata-ken Okitama-chiho 10 km 3.8 37.8 N 140.0 E2 No tsunami alerts
09:54 JST 20 Apr 2012 Miyagi-ken Oki 50 km 3.3 38.4 N 141.8 E1 No tsunami alerts
10:34 JST 20 Apr 2012 Fukushima-ken Oki 50 km 4.0 37.5 N 141.4 E1 No tsunami alerts
13:15 JST 20 Apr 2012 Ibaraki-ken Nambu 50 km 2.7 36.1 N 139.9 E1 No tsunami alerts
21:20 JST 20 Apr 2012 Okinawa-honto Kinkai 50 km 3.4 27.3 N 128.4 E1 No tsunami alerts
01:28 JST 21 Apr 2012 Miyagi-ken Oki 50 km 3.7 38.2 N 141.9 E1 No tsunami alerts
02:29 JST 21 Apr 2012 Fukushima-ken Oki 20 km 4.1 37.1 N 141.4 E2 No tsunami alerts
05:45 JST 21 Apr 2012 Miyagi-ken Oki 60 km 3.3 38.2 N 141.9 E1 No tsunami alerts
08:03 JST 21 Apr 2012 Miyagi-ken Oki 50 km 2.8 38.7 N 141.8 E1 No tsunami alerts
12:13 JST 21 Apr 2012 Okinawa-honto Kinkai 40 km 3.9 27.4 N 128.7 E2 No tsunami alerts
18:24 JST 21 Apr 2012 Fukushima-ken Hamadori 20 km 3.6 37.1 N 140.8 E2 No tsunami alerts
20:06 JST 21 Apr 2012 Miyagi-ken Hokubu 60 km 3.3 38.9 N 141.6 E2 No tsunami alerts
23:29 JST 21 Apr 2012 Hidaka-chiho Seibu 110 km 4.4 42.5 N 142.2 EUnknNo tsunami alerts
04:14 JST 22 Apr 2012 Chiba-ken Hokuseibu 90 km 3.5 35.6 N 140.1 E1 No tsunami alerts
07:00 JST 22 Apr 2012 Chiba-ken Toho-oki 10 km 3.8 35.8 N 140.9 E2 No tsunami alerts
07:11 JST 22 Apr 2012 Izu-hanto Toho-oki 10 km 3.1 35.0 N 139.1 E1 No tsunami alerts
10:32 JST 22 Apr 2012 Akita-ken Nairiku-nambu 20 km 2.5 39.6 N 140.4 E1 No tsunami alerts
12:52 JST 22 Apr 2012 Fukushima-ken Oki 20 km 3.9 37.1 N 141.5 E2 No tsunami alerts
15:04 JST 22 Apr 2012 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E1 No tsunami alerts
15:46 JST 22 Apr 2012 Fukushima-ken Hamadori 10 km 3.5 37.1 N 140.9 E2 No tsunami alerts
18:20 JST 22 Apr 2012 Okinawa-honto Kinkai 10 km 4.0 26.4 N 128.7 E1 No tsunami alerts
18:45 JST 22 Apr 2012 Fukushima-ken Oki 20 km 4.2 37.1 N 141.4 E2 No tsunami alerts
20:00 JST 22 Apr 2012 Fukushima-ken Hamadori 10 km 3.8 37.0 N 140.7 E2 No tsunami alerts
22:14 JST 22 Apr 2012 Kamikawa-chiho Chubu 190 km 4.5 43.8 N 142.7 E2 No tsunami alerts
22:37 JST 22 Apr 2012 Iriomotejima Fukin 30 km 4.5 23.9 N 123.6 E1 No tsunami alerts
04:11 JST 23 Apr 2012 Gifu-ken Mino-chuseibu very shallow 2.4 35.8 N 137.1 E1 No tsunami alerts
05:55 JST 23 Apr 2012 Akita-ken Nairiku-hokubu 10 km 3.0 40.4 N 140.6 E1 No tsunami alerts
14:00 JST 23 Apr 2012 Chiba-ken Toho-oki 20 km 4.1 35.5 N 141.1 E2 No tsunami alerts
17:50 JST 23 Apr 2012 Chiba-ken Nanto-oki 70 km 3.9 34.8 N 140.2 E1 No tsunami alerts
23:58 JST 23 Apr 2012 Ibaraki-ken Oki 20 km 3.9 36.6 N 141.1 E1 No tsunami alerts
05:54 JST 24 Apr 2012 Hokkaido Toho-oki 70 km 4.7 44.0 N 147.2 E1 No tsunami alerts
10:13 JST 24 Apr 2012 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E1 No tsunami alerts
11:29 JST 24 Apr 2012 Tochigi-ken Hokubu 10 km 3.0 36.7 N 139.5 E2 No tsunami alerts
12:28 JST 24 Apr 2012 Yamagata-ken Okitama-chiho 10 km 4.4 37.8 N 140.0 E3 No tsunami alerts
12:30 JST 24 Apr 2012 Yamagata-ken Okitama-chiho 10 km 3.1 37.8 N 140.0 E1 No tsunami alerts
16:40 JST 24 Apr 2012 Ibaraki-ken Oki 10 km 3.5 36.6 N 141.1 E1 No tsunami alerts
20:17 JST 24 Apr 2012 Amami-oshima Hokuto-oki 60 km 4.1 29.7 N 130.2 E2 No tsunami alerts
21:13 JST 24 Apr 2012 Aichi-ken Tobu 20 km 3.3 35.2 N 137.7 E3 No tsunami alerts
21:34 JST 24 Apr 2012 Iwate-ken Oki 40 km 4.2 39.1 N 142.3 E2 No tsunami alerts
00:52 JST 25 Apr 2012 Ibaraki-ken Oki 20 km 4.3 36.2 N 141.4 E1 No tsunami alerts
01:27 JST 25 Apr 2012 Miyagi-ken Oki 50 km 3.8 38.2 N 141.9 E1 No tsunami alerts
04:21 JST 25 Apr 2012 Ibaraki-ken Nambu 70 km 3.4 36.3 N 140.1 E1 No tsunami alerts
05:22 JST 25 Apr 2012 Chiba-ken Toho-oki 60 km 5.5 35.7 N 140.9 E4 No tsunami alerts
05:22 JST 25 Apr 2012 Chiba-ken Toho-oki 60 km 5.5 35.7 N 140.9 E4 Intensity correction
05:27 JST 25 Apr 2012 Ibaraki-ken Hokubu very shallow 2.2 36.7 N 140.6 E1 No tsunami alerts
05:31 JST 25 Apr 2012 Chiba-ken Toho-oki 70 km 3.9 35.7 N 140.9 E2 No tsunami alerts
07:43 JST 25 Apr 2012 Chiba-ken Toho-oki 60 km 4.1 35.7 N 140.9 E2 No tsunami alerts
13:08 JST 25 Apr 2012 Chiba-ken Toho-oki 60 km 3.9 35.8 N 140.8 E2 No tsunami alerts
13:32 JST 25 Apr 2012 Fukushima-ken Hamadori 10 km 3.1 37.0 N 140.8 E1 No tsunami alerts
20:52 JST 25 Apr 2012 Iwate-ken Nairiku-hokubu 80 km 3.1 40.3 N 141.5 E1 No tsunami alerts
21:21 JST 25 Apr 2012 Chiba-ken Toho-oki 10 km 3.1 35.7 N 141.0 E1 No tsunami alerts
05:39 JST 26 Apr 2012 Ibaraki-ken Oki 60 km 3.4 36.5 N 140.7 E1 No tsunami alerts
05:45 JST 26 Apr 2012 Fukushima-ken Oki 60 km 4.5 37.6 N 141.3 E3 No tsunami alerts
07:12 JST 26 Apr 2012 Fukushima-ken Oki 40 km 4.2 37.4 N 141.8 E2 No tsunami alerts
07:58 JST 26 Apr 2012 Nagano-ken Nambu 10 km 2.1 35.9 N 137.6 E1 No tsunami alerts
09:32 JST 26 Apr 2012 Osumi-hanto Toho-oki 10 km 3.5 31.4 N 131.7 E1 No tsunami alerts
15:40 JST 26 Apr 2012 Iwate-ken Oki 30 km 3.5 39.1 N 142.4 E1 No tsunami alerts
16:27 JST 26 Apr 2012 Miyagi-ken Oki 50 km 3.6 38.4 N 141.9 E1 No tsunami alerts
23:06 JST 26 Apr 2012 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
03:41 JST 27 Apr 2012 Aomori-ken Toho-oki 70 km 4.8 41.5 N 142.0 E3 No tsunami alerts
03:44 JST 27 Apr 2012 Aomori-ken Toho-oki 70 km 3.6 41.5 N 142.0 E1 No tsunami alerts
05:03 JST 27 Apr 2012 Ibaraki-ken Nambu 70 km 3.2 36.1 N 140.1 E1 No tsunami alerts
14:37 JST 27 Apr 2012 Sanriku Oki 10 km 4.8 39.9 N 143.2 E2 No tsunami alerts
15:24 JST 27 Apr 2012 Miyazaki-ken Nambu-yamazoi 10 km 2.8 32.1 N 131.0 E1 No tsunami alerts
17:23 JST 27 Apr 2012 Saitama-ken Nambu 90 km 3.6 36.0 N 139.7 E1 No tsunami alerts
18:18 JST 27 Apr 2012 Wakayama-ken Hokubu 10 km 3.1 34.1 N 135.3 E1 No tsunami alerts
19:54 JST 27 Apr 2012 Iwate-ken Oki 30 km 4.2 39.0 N 142.4 E2 No tsunami alerts
21:06 JST 27 Apr 2012 Ibaraki-ken Hokubu 50 km 3.8 36.4 N 140.6 E2 No tsunami alerts
22:03 JST 27 Apr 2012 Kii-suido 40 km 3.4 33.6 N 134.6 E1 No tsunami alerts
00:12 JST 28 Apr 2012 Iwate-ken Nairiku-hokubu 10 km 2.8 40.2 N 141.2 E2 No tsunami alerts
03:59 JST 28 Apr 2012 Hyogo-ken Nantobu 10 km 2.7 34.7 N 135.4 E1 No tsunami alerts
04:08 JST 28 Apr 2012 Iwate-ken Nairiku-hokubu 10 km 2.9 40.2 N 141.2 E2 No tsunami alerts
08:21 JST 28 Apr 2012 Miyazaki-ken Nambu-yamazoi 10 km 2.4 32.1 N 131.0 E1 No tsunami alerts
18:58 JST 28 Apr 2012 Miyagi-ken Oki 50 km 3.5 38.2 N 141.9 E1 No tsunami alerts
23:13 JST 28 Apr 2012 Fukushima-ken Oki 30 km 3.7 37.3 N 141.9 E1 No tsunami alerts
23:46 JST 28 Apr 2012 Miyagi-ken Oki 50 km 4.1 38.7 N 142.4 E2 No tsunami alerts
07:44 JST 29 Apr 2012 Iwate-ken Oki 30 km 3.7 39.1 N 142.4 E1 No tsunami alerts
16:35 JST 29 Apr 2012 Fukushima-ken Oki 20 km 4.2 37.0 N 141.4 E1 No tsunami alerts
17:12 JST 29 Apr 2012 Chiba-ken Hokuseibu 10 km 3.5 35.6 N 140.1 E3 No tsunami alerts
17:14 JST 29 Apr 2012 Chiba-ken Hokuseibu 10 km 2.8 35.5 N 140.1 E2 No tsunami alerts
19:28 JST 29 Apr 2012 Chiba-ken Hokutobu 50 km 5.8 35.8 N 140.7 EUnknNo tsunami alerts
19:28 JST 29 Apr 2012 Chiba-ken Hokutobu 50 km 5.8 35.8 N 140.7 E5 lower Intensity correction
21:17 JST 29 Apr 2012 Ibaraki-ken Oki 40 km 4.5 36.8 N 141.2 E3 No tsunami alerts
00:02 JST 30 Apr 2012 Iwate-ken Oki 20 km 5.6 39.7 N 142.3 E4 No tsunami alerts
00:05 JST 30 Apr 2012 Iwate-ken Oki 30 km 4.2 39.8 N 142.2 E2 No tsunami alerts
00:20 JST 30 Apr 2012 Chiba-ken Toho-oki 50 km 3.6 35.7 N 140.8 E1 No tsunami alerts
00:54 JST 30 Apr 2012 Iwate-ken Oki 20 km 3.4 39.8 N 142.3 E1 No tsunami alerts
04:26 JST 30 Apr 2012 Chiba-ken Hokutobu 50 km 3.3 35.7 N 140.7 E1 No tsunami alerts
05:14 JST 30 Apr 2012 Niijima-Kozushima Kinkai very shallow 1.8 34.3 N 139.2 E1 No tsunami alerts
05:33 JST 30 Apr 2012 Miyagi-ken Oki 30 km 3.8 38.4 N 142.2 E1 No tsunami alerts
08:29 JST 30 Apr 2012 Hiroshima-ken Nanseibu 20 km 2.7 34.4 N 132.6 E1 No tsunami alerts
09:20 JST 30 Apr 2012 Fukushima-ken Oki 20 km 4.4 37.0 N 141.5 E2 No tsunami alerts
10:26 JST 30 Apr 2012 Iwate-ken Oki 20 km 4.2 39.8 N 142.2 E2 No tsunami alerts
11:33 JST 30 Apr 2012 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E3 No tsunami alerts
11:40 JST 30 Apr 2012 Ibaraki-ken Hokubu 10 km 3.6 36.7 N 140.6 E2 No tsunami alerts
17:38 JST 30 Apr 2012 Mie-ken Hokubu 10 km 2.3 34.9 N 136.5 E1 No tsunami alerts
17:51 JST 30 Apr 2012 Niigata-ken Joetsu-chiho 20 km 2.8 37.1 N 138.1 E1 No tsunami alerts
22:07 JST 30 Apr 2012 Aomori-ken Toho-oki 30 km 4.0 40.7 N 142.8 E1 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