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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
00:36 JST 01 Feb 2013 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E2 No tsunami alerts
01:04 JST 01 Feb 2013 Ibaraki-ken Nambu 50 km 4.2 36.1 N 139.9 E3 No tsunami alerts
06:13 JST 01 Feb 2013 Ibaraki-ken Oki 50 km 3.7 36.6 N 141.1 E1 No tsunami alerts
08:31 JST 01 Feb 2013 Chiba-ken Toho-oki 10 km 3.6 35.8 N 141.1 E1 No tsunami alerts
10:27 JST 01 Feb 2013 Miyagi-ken Oki 40 km 4.3 38.7 N 142.2 E3 No tsunami alerts
10:27 JST 01 Feb 2013 Ibaraki-ken Hokubu 10 km 3.3 36.8 N 140.6 E1 No tsunami alerts
14:49 JST 01 Feb 2013 Niigata-ken Chuetsu-chiho 20 km 2.8 37.7 N 138.8 E2 No tsunami alerts
15:19 JST 01 Feb 2013 Ishikawa-ken Kaga-chiho very shallow 3.5 36.2 N 136.8 E1 No tsunami alerts
15:32 JST 01 Feb 2013 Gifu-ken Hida-chiho very shallow 2.8 35.7 N 137.1 E1 No tsunami alerts
16:31 JST 01 Feb 2013 Izu-ohshima Kinkai 10 km 2.6 34.8 N 139.2 E2 No tsunami alerts
18:39 JST 01 Feb 2013 Iwate-ken Oki 30 km 3.9 39.2 N 142.4 E1 No tsunami alerts
19:45 JST 01 Feb 2013 Gifu-ken Hida-chiho 10 km 3.5 35.7 N 137.1 E2 No tsunami alerts
19:55 JST 01 Feb 2013 Miyagi-ken Oki 40 km 4.3 38.5 N 142.3 E2 No tsunami alerts
20:33 JST 01 Feb 2013 Tokara-retto Kinkai 70 km 3.7 28.8 N 129.3 E1 No tsunami alerts
23:06 JST 01 Feb 2013 Chiba-ken Hokuseibu 80 km 4.4 35.6 N 140.1 EUnknNo tsunami alerts
00:07 JST 02 Feb 2013 Miyagi-ken Oki 50 km 3.9 38.9 N 142.0 E2 No tsunami alerts
01:47 JST 02 Feb 2013 Fukushima-ken Nakadori very shallow 2.9 37.1 N 140.6 E1 No tsunami alerts
03:23 JST 02 Feb 2013 Tokachi-chiho Chubu 130 km 3.9 42.8 N 142.9 E2 No tsunami alerts
04:38 JST 02 Feb 2013 Miyagi-ken Oki 50 km 3.5 38.9 N 142.0 E1 No tsunami alerts
05:52 JST 02 Feb 2013 Ibaraki-ken Oki 40 km 4.2 36.2 N 141.1 E2 No tsunami alerts
12:40 JST 02 Feb 2013 Taiwan and its Vicinity 10 km 5.0 23.7 N 122.1 E1 No tsunami alerts
12:42 JST 02 Feb 2013 Ibaraki-ken Nambu 70 km 3.4 36.1 N 140.1 E2 No tsunami alerts
13:53 JST 02 Feb 2013 Fukushima-ken Oki 20 km 4.2 36.9 N 141.5 E2 No tsunami alerts
15:41 JST 02 Feb 2013 Izu-ohshima Kinkai very shallow 3.5 34.8 N 139.2 EUnknNo tsunami alerts
23:17 JST 02 Feb 2013 Tokachi-chiho Chubu 120 km 6.4 42.7 N 143.3 E5 upper Intensity correction
23:23 JST 02 Feb 2013 Tokachi-chiho Chubu 110 km 3.9 42.7 N 143.3 E1 No tsunami alerts
04:04 JST 03 Feb 2013 Miyagi-ken Oki 40 km 3.2 38.5 N 142.0 E1 No tsunami alerts
08:38 JST 03 Feb 2013 Mie-ken Hokubu 10 km 2.9 35.1 N 136.5 E1 No tsunami alerts
12:44 JST 03 Feb 2013 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.6 E1 No tsunami alerts
00:32 JST 04 Feb 2013 Saitama-ken Nambu 40 km 3.1 36.0 N 139.6 E1 No tsunami alerts
09:06 JST 04 Feb 2013 Tokushima-ken Nambu 40 km 2.9 33.7 N 134.3 E1 No tsunami alerts
11:57 JST 04 Feb 2013 Iwate-ken Engan-hokubu 60 km 3.5 39.8 N 141.8 E1 No tsunami alerts
13:00 JST 04 Feb 2013 Tanegashima Kinkai 40 km 3.9 30.2 N 131.1 E1 No tsunami alerts
18:13 JST 04 Feb 2013 Ibaraki-ken Oki 40 km 3.6 36.0 N 141.1 E1 No tsunami alerts
18:18 JST 04 Feb 2013 Iwate-ken Oki 40 km 4.0 40.4 N 142.3 E2 No tsunami alerts
22:22 JST 04 Feb 2013 Kyoto-fu Nambu 10 km 3.4 35.3 N 135.8 E1 No tsunami alerts
05:44 JST 05 Feb 2013 Iwate-ken Oki 40 km 3.7 40.4 N 142.3 E1 No tsunami alerts
12:08 JST 05 Feb 2013 Miyagi-ken Oki 50 km 3.7 38.2 N 141.8 E1 No tsunami alerts
13:41 JST 05 Feb 2013 Nemuro-hanto Nanto-oki 60 km 3.9 43.1 N 145.9 E2 No tsunami alerts
14:25 JST 05 Feb 2013 Fukushima-ken Oki 20 km 3.0 37.3 N 141.2 E1 No tsunami alerts
19:08 JST 05 Feb 2013 Ibaraki-ken Nambu 50 km 3.1 35.9 N 140.1 E1 No tsunami alerts
21:43 JST 05 Feb 2013 Hachijojima Toho-oki 70 km 4.5 33.2 N 140.6 E1 No tsunami alerts
22:31 JST 05 Feb 2013 Miyagi-ken Oki 40 km 4.5 38.7 N 142.2 E3 No tsunami alerts
22:34 JST 05 Feb 2013 Miyagi-ken Oki 40 km 4.0 38.7 N 142.1 E2 No tsunami alerts
23:18 JST 05 Feb 2013 Iyo-nada 70 km 3.6 33.6 N 131.9 E2 No tsunami alerts
00:19 JST 06 Feb 2013 Nemuro-hanto Nanto-oki 40 km 3.3 42.9 N 145.6 E1 No tsunami alerts
01:15 JST 06 Feb 2013 Amami-oshima Hokusei-oki 10 km 4.6 28.8 N 128.6 E1 No tsunami alerts
12:01 JST 06 Feb 2013 Miyagi-ken Oki 50 km 3.3 38.3 N 141.9 E1 No tsunami alerts
13:42 JST 06 Feb 2013 Aichi-ken Seibu 50 km 4.1 35.2 N 137.4 E2 No tsunami alerts
14:04 JST 06 Feb 2013 Chiba-ken Toho-oki 20 km 4.3 35.8 N 140.8 E2 No tsunami alerts
16:43 JST 06 Feb 2013 Aichi-ken Seibu very shallow 2.8 34.8 N 137.1 E1 No tsunami alerts
18:31 JST 06 Feb 2013 Chiba-ken Hokuseibu 50 km 3.8 35.8 N 140.1 E2 No tsunami alerts
10:10 JST 07 Feb 2013 Yamagata-ken Okitama-chiho 10 km 3.4 37.8 N 140.0 E1 No tsunami alerts
20:11 JST 07 Feb 2013 Hiroshima-ken Nantobu 20 km 2.6 34.7 N 133.1 E1 No tsunami alerts
20:38 JST 07 Feb 2013 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.6 E1 No tsunami alerts
06:34 JST 08 Feb 2013 Tottori-ken Seibu 10 km 3.1 35.1 N 133.2 E1 No tsunami alerts
09:54 JST 08 Feb 2013 Sanriku Oki 10 km 4.4 39.1 N 143.0 E1 No tsunami alerts
14:16 JST 08 Feb 2013 Sanriku Oki 10 km 4.5 38.2 N 143.0 E1 No tsunami alerts
20:53 JST 08 Feb 2013 Ibaraki-ken Oki 10 km 3.3 36.5 N 140.7 E1 No tsunami alerts
04:51 JST 09 Feb 2013 Fukushima-ken Oki 20 km 4.3 36.9 N 141.4 E2 No tsunami alerts
10:16 JST 09 Feb 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E1 No tsunami alerts
13:43 JST 09 Feb 2013 Ibaraki-ken Oki 20 km 5.4 36.8 N 141.4 EUnknNo tsunami alerts
14:37 JST 09 Feb 2013 Nemuro-chiho Hokubu 10 km 3.0 43.6 N 144.7 E1 No tsunami alerts
15:07 JST 09 Feb 2013 Fukushima-ken Oki 30 km 4.0 36.9 N 141.4 E1 No tsunami alerts
17:03 JST 09 Feb 2013 Niigata-ken Chuetsu-chiho 20 km 2.2 37.0 N 138.6 E1 No tsunami alerts
23:43 JST 09 Feb 2013 Fukushima-ken Oki 50 km 3.3 37.7 N 141.7 E1 No tsunami alerts
00:28 JST 10 Feb 2013 Kumamoto-ken Aso-chiho 10 km 3.5 33.1 N 131.1 E2 No tsunami alerts
00:45 JST 10 Feb 2013 Chiba-ken Nanto-oki 60 km 4.2 34.8 N 140.8 E1 No tsunami alerts
01:56 JST 10 Feb 2013 Akita-ken Nairiku-nambu 20 km 2.5 39.6 N 140.5 E1 No tsunami alerts
03:18 JST 10 Feb 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E2 No tsunami alerts
04:28 JST 10 Feb 2013 Aomori-ken Toho-oki 50 km 3.5 40.9 N 142.1 E1 No tsunami alerts
07:04 JST 10 Feb 2013 Fukushima-ken Oki 20 km 4.4 37.1 N 142.2 E1 No tsunami alerts
14:17 JST 10 Feb 2013 Miyagi-ken Oki 50 km 3.5 38.5 N 141.8 E1 No tsunami alerts
21:21 JST 10 Feb 2013 Boso-hanto Nampo-oki 80 km 4.1 34.3 N 140.3 E1 No tsunami alerts
22:25 JST 10 Feb 2013 Fukushima-ken Hamadori 10 km 3.3 37.0 N 140.6 E1 No tsunami alerts
06:22 JST 11 Feb 2013 Oshima-chiho Hokubu 10 km 1.9 42.1 N 140.4 E1 No tsunami alerts
12:45 JST 11 Feb 2013 Miyagi-ken Oki 40 km 4.4 38.6 N 142.2 E3 No tsunami alerts
14:00 JST 11 Feb 2013 Ibaraki-ken Oki 40 km 3.7 36.3 N 141.1 E1 No tsunami alerts
04:09 JST 12 Feb 2013 Saitama-ken Nambu 50 km 2.9 35.8 N 139.5 E1 No tsunami alerts
12:20 JST 12 Feb 2013 Miyagi-ken Oki 50 km 3.8 38.6 N 142.0 E1 No tsunami alerts
13:16 JST 12 Feb 2013 Iwate-ken Oki 40 km 3.8 40.3 N 142.4 E1 No tsunami alerts
15:08 JST 12 Feb 2013 Abashiri-chiho 10 km 2.8 44.1 N 145.1 E3 No tsunami alerts
22:29 JST 12 Feb 2013 Ibaraki-ken Oki 40 km 3.8 36.4 N 141.0 E1 No tsunami alerts
01:13 JST 13 Feb 2013 Miyagi-ken Oki 30 km 3.9 38.9 N 142.5 E1 No tsunami alerts
01:31 JST 13 Feb 2013 Yonagunijima Kinkai 60 km 4.1 24.5 N 123.3 E1 No tsunami alerts
02:10 JST 13 Feb 2013 Aomori-ken Toho-oki 10 km 4.2 41.3 N 142.9 E1 No tsunami alerts
02:59 JST 13 Feb 2013 Tokushima-ken Nambu 20 km 3.5 33.7 N 134.2 E2 No tsunami alerts
03:52 JST 13 Feb 2013 Hyuga-nada 40 km 2.7 31.9 N 131.8 E1 No tsunami alerts
04:12 JST 13 Feb 2013 Iwate-ken Oki 50 km 3.5 39.9 N 142.3 E1 No tsunami alerts
10:33 JST 13 Feb 2013 Ibaraki-ken Nambu 50 km 4.0 36.2 N 140.0 E2 No tsunami alerts
11:03 JST 13 Feb 2013 Niijima-Kozushima Kinkai very shallow 3.2 34.4 N 139.2 E2 No tsunami alerts
11:21 JST 13 Feb 2013 Miyagi-ken Oki 60 km 4.7 38.4 N 141.9 E4 No tsunami alerts
12:57 JST 13 Feb 2013 Tanegashima Nanto-oki 10 km 5.1 30.2 N 131.8 E2 No tsunami alerts
13:02 JST 13 Feb 2013 Iwate-ken Oki 40 km 3.3 39.3 N 142.3 E1 No tsunami alerts
13:45 JST 13 Feb 2013 Shizuoka-ken Seibu 30 km 2.9 34.6 N 138.2 E2 No tsunami alerts
21:41 JST 13 Feb 2013 Ibaraki-ken Oki 10 km 4.2 36.0 N 141.3 E1 No tsunami alerts
08:21 JST 14 Feb 2013 Chiba-ken Toho-oki 10 km 3.6 35.8 N 141.0 E1 No tsunami alerts
09:55 JST 14 Feb 2013 Miyagi-ken Oki 50 km 3.6 38.5 N 141.7 E2 No tsunami alerts
14:51 JST 14 Feb 2013 Chiba-ken Toho-oki 10 km 3.1 35.8 N 141.0 E1 No tsunami alerts
16:41 JST 14 Feb 2013 Urakawa Oki 10 km 2.7 42.2 N 142.6 E2 No tsunami alerts
01:43 JST 15 Feb 2013 Ibaraki-ken Hokubu 100 km 3.9 36.7 N 140.4 E2 No tsunami alerts
15:49 JST 15 Feb 2013 Yamagata-ken Okitama-chiho 10 km 3.2 37.8 N 140.0 E1 No tsunami alerts
15:51 JST 15 Feb 2013 Yamagata-ken Okitama-chiho 10 km 3.3 37.8 N 140.0 E1 No tsunami alerts
18:18 JST 15 Feb 2013 Nagano-ken Nambu 10 km 4.3 35.8 N 138.0 E3 No tsunami alerts
20:12 JST 15 Feb 2013 Nagano-ken Nambu 10 km 3.2 35.8 N 138.0 E2 No tsunami alerts
01:08 JST 16 Feb 2013 Yamanashi-ken Tobu-Fujigoko 20 km 2.0 35.6 N 139.0 E1 No tsunami alerts
10:33 JST 16 Feb 2013 Fukushima-ken Oki 40 km 4.7 37.3 N 141.6 E3 No tsunami alerts
13:51 JST 16 Feb 2013 Fukushima-ken Oki 40 km 3.9 37.0 N 141.2 E3 No tsunami alerts
01:04 JST 17 Feb 2013 Fukushima-ken Oki 40 km 3.6 37.4 N 141.6 E1 No tsunami alerts
02:56 JST 17 Feb 2013 Fukushima-ken Oki 50 km 3.9 37.1 N 141.4 E1 No tsunami alerts
07:17 JST 17 Feb 2013 Hokkaido Toho-oki 40 km 5.3 43.4 N 146.8 E3 No tsunami alerts
08:35 JST 17 Feb 2013 Kochi-ken Seibu 30 km 3.7 32.8 N 132.7 E2 No tsunami alerts
15:36 JST 17 Feb 2013 Hokkaido Toho-oki 40 km 4.1 43.4 N 146.9 E1 No tsunami alerts
19:48 JST 17 Feb 2013 Okinawa-honto Kinkai 20 km 3.9 25.9 N 127.3 E1 No tsunami alerts
23:04 JST 17 Feb 2013 Tokachi-chiho Chubu 110 km 3.2 43.0 N 143.3 E1 No tsunami alerts
12:27 JST 18 Feb 2013 Fukushima-ken Hamadori 10 km 2.9 37.1 N 140.9 E1 No tsunami alerts
19:59 JST 18 Feb 2013 Tokaido Nampo-oki 10 km 4.9 32.2 N 138.6 E1 No tsunami alerts
20:06 JST 18 Feb 2013 Miyagi-ken Oki 50 km 4.1 38.8 N 142.1 E2 No tsunami alerts
20:11 JST 18 Feb 2013 Miyagi-ken Oki 40 km 4.3 38.7 N 142.4 E2 No tsunami alerts
21:26 JST 18 Feb 2013 Ibaraki-ken Nambu 80 km 3.8 36.0 N 139.9 E1 No tsunami alerts
01:02 JST 19 Feb 2013 Miyakojima Kinkai 50 km 4.5 24.8 N 125.4 E3 No tsunami alerts
01:59 JST 19 Feb 2013 Kii-suido 40 km 3.4 33.7 N 135.0 E1 No tsunami alerts
02:10 JST 19 Feb 2013 Chiba-ken Hokuseibu 90 km 4.0 35.6 N 140.2 E2 No tsunami alerts
02:44 JST 19 Feb 2013 Kyoto-fu Nambu 10 km 2.5 35.0 N 135.7 E1 No tsunami alerts
09:31 JST 19 Feb 2013 Ibaraki-ken Oki 20 km 3.4 36.2 N 141.1 E1 No tsunami alerts
18:20 JST 19 Feb 2013 Fukushima-ken Oki 20 km 4.3 37.7 N 141.9 E1 No tsunami alerts
19:03 JST 19 Feb 2013 Tokara-retto Kinkai very shallow 2.8 29.6 N 129.7 E1 No tsunami alerts
19:08 JST 19 Feb 2013 Tokara-retto Kinkai 10 km 2.0 29.6 N 129.7 E1 No tsunami alerts
19:17 JST 19 Feb 2013 Tokara-retto Kinkai very shallow 3.6 29.6 N 129.8 E3 No tsunami alerts
19:19 JST 19 Feb 2013 Tokara-retto Kinkai 10 km 2.6 29.6 N 129.6 E1 No tsunami alerts
19:31 JST 19 Feb 2013 Tokara-retto Kinkai 10 km 2.1 29.6 N 129.6 E1 No tsunami alerts
19:43 JST 19 Feb 2013 Tokara-retto Kinkai 10 km 2.3 29.6 N 129.8 E1 No tsunami alerts
20:12 JST 19 Feb 2013 Tokara-retto Kinkai 10 km 2.6 29.6 N 129.8 E2 No tsunami alerts
21:27 JST 19 Feb 2013 Chiba-ken Toho-oki 30 km 5.8 35.3 N 141.2 E3 No tsunami alerts
01:26 JST 20 Feb 2013 Hokkaido Toho-oki 40 km 4.2 43.4 N 146.9 E1 No tsunami alerts
04:03 JST 20 Feb 2013 Oita-ken Seibu very shallow 2.4 33.4 N 130.9 E1 No tsunami alerts
07:39 JST 20 Feb 2013 Oita-ken Seibu 10 km 2.5 33.4 N 130.9 E1 No tsunami alerts
14:58 JST 20 Feb 2013 Ibaraki-ken Nambu 50 km 3.0 36.1 N 139.9 E1 No tsunami alerts
18:14 JST 20 Feb 2013 Etorofuto Fukin 150 km 4.2 44.3 N 146.9 E1 No tsunami alerts
18:47 JST 20 Feb 2013 Kumamoto-ken Kumamoto-chiho 20 km 2.3 32.6 N 130.7 E1 No tsunami alerts
03:54 JST 21 Feb 2013 Urakawa Oki 50 km 3.6 41.6 N 142.2 E1 No tsunami alerts
04:29 JST 21 Feb 2013 Ibaraki-ken Oki 40 km 3.4 36.5 N 141.1 E1 No tsunami alerts
09:09 JST 21 Feb 2013 Ibaraki-ken Nambu 50 km 3.4 36.2 N 140.0 E1 No tsunami alerts
21:39 JST 21 Feb 2013 Tokara-retto Kinkai 10 km 2.2 29.6 N 129.7 E1 No tsunami alerts
22:02 JST 21 Feb 2013 Gumma-ken Nambu 120 km 3.8 36.2 N 139.5 E1 No tsunami alerts
00:34 JST 22 Feb 2013 Miyagi-ken Oki 70 km 4.7 38.3 N 142.0 E3 No tsunami alerts
04:59 JST 22 Feb 2013 Tanegashima Nanto-oki 20 km 4.4 30.1 N 131.3 E2 No tsunami alerts
08:43 JST 22 Feb 2013 Tokara-retto Kinkai 10 km 2.5 29.7 N 129.5 E1 No tsunami alerts
09:26 JST 22 Feb 2013 Iyo-nada 60 km 3.5 33.6 N 132.1 E1 No tsunami alerts
09:52 JST 22 Feb 2013 Nemuro-hanto Nanto-oki 60 km 3.8 43.1 N 146.8 E1 No tsunami alerts
17:13 JST 22 Feb 2013 Kumamoto-ken Kumamoto-chiho very shallow 2.3 32.6 N 130.8 E1 No tsunami alerts
21:17 JST 22 Feb 2013 Fukushima-ken Nakadori 10 km 2.9 37.1 N 140.6 E1 No tsunami alerts
00:36 JST 23 Feb 2013 Hyuga-nada 30 km 2.6 32.4 N 131.9 E1 No tsunami alerts
01:13 JST 23 Feb 2013 Kii-suido 40 km 3.2 33.7 N 135.2 E1 No tsunami alerts
09:46 JST 23 Feb 2013 Miyagi-ken Oki 40 km 4.3 38.2 N 142.3 E2 No tsunami alerts
14:28 JST 23 Feb 2013 Fukui-ken Reinan 10 km 2.9 35.5 N 136.0 E1 No tsunami alerts
15:02 JST 23 Feb 2013 Tochigi-ken Hokubu very shallow 2.9 36.9 N 139.4 E1 No tsunami alerts
15:25 JST 23 Feb 2013 Miyagi-ken Oki 40 km 4.1 37.8 N 142.1 E1 No tsunami alerts
16:41 JST 23 Feb 2013 Miyagi-ken Oki 50 km 3.7 38.9 N 142.0 E2 No tsunami alerts
20:32 JST 23 Feb 2013 Miyazaki-ken Nambu-yamazoi 10 km 3.4 31.9 N 131.1 E3 No tsunami alerts
23:40 JST 23 Feb 2013 Chiba-ken Toho-oki 20 km 4.8 35.3 N 141.3 E1 No tsunami alerts
02:11 JST 24 Feb 2013 Miyazaki-ken Hokubu-yamazoi 120 km 3.3 32.6 N 131.2 E1 No tsunami alerts
11:36 JST 24 Feb 2013 Kanagawa-ken Tobu 30 km 3.3 35.4 N 139.5 E2 No tsunami alerts
13:26 JST 24 Feb 2013 Aomori-ken Toho-oki 80 km 3.6 41.0 N 141.7 E1 No tsunami alerts
13:38 JST 24 Feb 2013 Chiba-ken Toho-oki 10 km 3.9 35.7 N 141.0 E2 No tsunami alerts
13:55 JST 24 Feb 2013 Fukushima-ken Hamadori 20 km 4.6 37.0 N 140.7 EUnknNo tsunami alerts
14:46 JST 24 Feb 2013 Chiba-ken Toho-oki 20 km 3.4 35.6 N 141.1 E1 No tsunami alerts
17:30 JST 24 Feb 2013 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
20:51 JST 24 Feb 2013 Chiba-ken Toho-oki 40 km 3.4 35.7 N 141.1 E1 No tsunami alerts
23:22 JST 24 Feb 2013 Tokara-retto Kinkai very shallow 1.8 29.6 N 129.7 E1 No tsunami alerts
00:03 JST 25 Feb 2013 Etorofuto Nanto-oki 90 km 4.3 44.0 N 147.8 E1 No tsunami alerts
11:46 JST 25 Feb 2013 Iwate-ken Oki 50 km 3.3 39.6 N 142.1 E1 No tsunami alerts
12:45 JST 25 Feb 2013 Chiba-ken Toho-oki 40 km 4.4 35.5 N 141.1 E1 No tsunami alerts
12:52 JST 25 Feb 2013 Fukushima-ken Oki 30 km 4.2 37.6 N 142.1 E1 No tsunami alerts
15:26 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 4.1 36.9 N 139.4 E3 No tsunami alerts
15:35 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.5 36.9 N 139.4 E1 No tsunami alerts
15:41 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.3 36.9 N 139.4 E1 No tsunami alerts
15:43 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
16:23 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 6.2 36.9 N 139.4 E5 upper No tsunami alerts
16:34 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 4.7 36.9 N 139.4 E4 No tsunami alerts
16:23 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 6.2 36.9 N 139.4 E5 upper Intensity correction
16:50 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
16:57 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.4 E1 No tsunami alerts
17:06 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.4 E2 No tsunami alerts
17:10 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.1 36.9 N 139.4 E1 No tsunami alerts
17:16 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.4 E2 No tsunami alerts
17:21 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.6 36.9 N 139.4 E1 No tsunami alerts
17:33 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.7 36.9 N 139.4 E2 No tsunami alerts
17:41 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.1 36.9 N 139.4 E2 No tsunami alerts
17:46 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
17:50 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.4 36.8 N 139.4 E1 No tsunami alerts
17:52 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.4 E1 No tsunami alerts
18:04 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.4 E1 No tsunami alerts
18:07 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.7 36.8 N 139.4 E3 No tsunami alerts
18:12 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.1 36.9 N 139.4 E2 No tsunami alerts
18:19 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.7 36.8 N 139.4 E3 No tsunami alerts
18:38 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.0 36.8 N 139.4 E3 No tsunami alerts
18:37 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.7 36.8 N 139.4 E2 No tsunami alerts
18:46 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.6 36.9 N 139.4 E1 No tsunami alerts
18:55 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 3.8 36.9 N 139.4 E3 No tsunami alerts
19:06 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 2.2 36.9 N 139.4 E1 No tsunami alerts
19:10 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.1 36.8 N 139.4 E2 No tsunami alerts
19:35 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
19:58 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.9 36.9 N 139.4 E1 No tsunami alerts
21:25 JST 25 Feb 2013 Tochigi-ken Hokubu very shallow 3.4 36.9 N 139.4 E3 No tsunami alerts
22:00 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.4 36.8 N 139.4 E4 No tsunami alerts
22:10 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 2.2 36.9 N 139.4 E1 No tsunami alerts
23:11 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.5 36.9 N 139.4 E2 No tsunami alerts
23:32 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.4 36.9 N 139.4 E2 No tsunami alerts
23:37 JST 25 Feb 2013 Tochigi-ken Hokubu 10 km 3.0 36.9 N 139.4 E2 No tsunami alerts
23:41 JST 25 Feb 2013 Fukushima-ken Hamadori very shallow 2.9 37.1 N 140.7 E1 No tsunami alerts
01:00 JST 26 Feb 2013 Amami-oshima Hokuto-oki 10 km 5.1 29.1 N 131.5 E2 No tsunami alerts
01:19 JST 26 Feb 2013 Miyagi-ken Oki 60 km 4.4 38.2 N 141.8 E3 No tsunami alerts
03:19 JST 26 Feb 2013 Tochigi-ken Hokubu very shallow 2.3 36.9 N 139.4 E1 No tsunami alerts
03:22 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.6 36.9 N 139.4 E1 No tsunami alerts
05:13 JST 26 Feb 2013 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E2 No tsunami alerts
06:00 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.9 36.9 N 139.4 E1 No tsunami alerts
06:08 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.4 36.9 N 139.4 E1 No tsunami alerts
08:11 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.0 36.9 N 139.4 E1 No tsunami alerts
08:12 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.7 36.8 N 139.4 E2 No tsunami alerts
08:19 JST 26 Feb 2013 Tochigi-ken Hokubu very shallow 3.5 36.9 N 139.4 E2 No tsunami alerts
10:25 JST 26 Feb 2013 Tochigi-ken Hokubu very shallow 2.3 36.9 N 139.4 E1 No tsunami alerts
13:11 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.4 36.9 N 139.5 E1 No tsunami alerts
13:51 JST 26 Feb 2013 Tochigi-ken Hokubu 10 km 2.3 36.9 N 139.4 E1 No tsunami alerts
17:57 JST 26 Feb 2013 Iriomotejima Fukin 40 km 4.4 24.3 N 123.5 E1 No tsunami alerts
17:57 JST 26 Feb 2013 Tochigi-ken Hokubu very shallow 2.5 36.9 N 139.4 E1 No tsunami alerts
19:07 JST 26 Feb 2013 Tsugaru-kaikyo 10 km 2.6 41.4 N 141.2 E1 No tsunami alerts
21:46 JST 26 Feb 2013 Miyagi-ken Oki 40 km 4.8 38.7 N 142.2 E3 No tsunami alerts
00:11 JST 27 Feb 2013 Tsugaru-kaikyo 10 km 2.5 41.4 N 141.3 E1 No tsunami alerts
02:27 JST 27 Feb 2013 Iwate-ken Engan-hokubu 100 km 3.5 40.2 N 141.7 E1 No tsunami alerts
02:31 JST 27 Feb 2013 Iwate-ken Oki 40 km 4.0 40.0 N 142.4 E1 No tsunami alerts
02:49 JST 27 Feb 2013 Miyagi-ken Oki 50 km 2.9 38.7 N 141.8 E1 No tsunami alerts
03:40 JST 27 Feb 2013 Urakawa Oki very shallow 2.0 42.2 N 142.6 E1 No tsunami alerts
03:41 JST 27 Feb 2013 Hiroshima-ken Hokubu very shallow 3.2 35.0 N 132.9 E2 No tsunami alerts
06:32 JST 27 Feb 2013 Chiba-ken Hokutobu 30 km 2.6 35.5 N 140.4 E1 No tsunami alerts
12:45 JST 27 Feb 2013 Kumamoto-ken Kumamoto-chiho 10 km 3.4 33.0 N 130.7 E2 No tsunami alerts
19:24 JST 27 Feb 2013 Aomori-ken Toho-oki 70 km 4.0 41.5 N 142.0 E2 No tsunami alerts
22:50 JST 27 Feb 2013 Tochigi-ken Hokubu 10 km 2.4 36.9 N 139.4 E1 No tsunami alerts
01:18 JST 28 Feb 2013 Ibaraki-ken Oki 10 km 4.1 36.7 N 141.1 E1 No tsunami alerts
05:33 JST 28 Feb 2013 Tochigi-ken Hokubu 10 km 2.9 36.9 N 139.5 E2 No tsunami alerts
09:16 JST 28 Feb 2013 Fukushima-ken Hamadori 10 km 3.5 37.0 N 140.7 E1 No tsunami alerts
11:04 JST 28 Feb 2013 Fukushima-ken Oki 30 km 3.9 37.3 N 141.6 E1 No tsunami alerts
11:54 JST 28 Feb 2013 Niigata-ken Chuetsu-chiho 10 km 2.4 37.0 N 138.7 E1 No tsunami alerts
15:18 JST 28 Feb 2013 Miyagi-ken Oki 50 km 3.3 38.3 N 141.7 E1 No tsunami alerts
18:57 JST 28 Feb 2013 Iwate-ken Oki 50 km 3.2 39.2 N 142.2 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
2018 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
2019 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
2020 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
2021 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
2022 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
2023 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
2024 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

Information provided by the Japan Meteorological Agency.
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