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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
00:04 JST 01 Apr 2013 Chiba-ken Toho-oki 10 km 3.1 35.7 N 141.0 E1 No tsunami alerts
01:25 JST 01 Apr 2013 Wakayama-ken Hokubu 10 km 3.3 33.9 N 135.1 E1 No tsunami alerts
03:47 JST 01 Apr 2013 Miyagi-ken Oki 50 km 2.8 38.7 N 141.8 E1 No tsunami alerts
14:43 JST 01 Apr 2013 Chiba-ken Toho-oki 10 km 3.8 35.8 N 141.0 E2 No tsunami alerts
17:45 JST 01 Apr 2013 Tanegashima Kinkai 30 km 4.1 30.6 N 131.2 E1 No tsunami alerts
18:19 JST 01 Apr 2013 Fukushima-ken Oki 40 km 4.0 37.1 N 141.5 E1 No tsunami alerts
02:47 JST 02 Apr 2013 Chiba-ken Nanto-oki 50 km 3.4 34.8 N 139.8 E1 No tsunami alerts
03:53 JST 02 Apr 2013 Sanriku Oki 10 km 6.1 39.5 N 143.6 EUnknNo tsunami alerts
03:57 JST 02 Apr 2013 Sanriku Oki 10 km 4.8 39.4 N 143.4 E1 No tsunami alerts
04:09 JST 02 Apr 2013 Miyagi-ken Oki 50 km 4.2 38.9 N 142.0 E2 No tsunami alerts
05:04 JST 02 Apr 2013 Sanriku Oki 10 km 5.2 39.5 N 143.6 E2 No tsunami alerts
05:07 JST 02 Apr 2013 Sanriku Oki 10 km 5.0 39.5 N 143.6 E1 No tsunami alerts
05:28 JST 02 Apr 2013 Ibaraki-ken Hokubu 10 km 2.8 36.6 N 140.6 E1 No tsunami alerts
05:29 JST 02 Apr 2013 Ibaraki-ken Hokubu 10 km 2.7 36.6 N 140.6 E1 No tsunami alerts
08:26 JST 02 Apr 2013 Miyagi-ken Oki 50 km 3.7 38.8 N 142.1 E1 No tsunami alerts
10:13 JST 02 Apr 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
11:09 JST 02 Apr 2013 Sanriku Oki 10 km 5.6 39.5 N 143.6 E3 No tsunami alerts
12:21 JST 02 Apr 2013 Sanriku Oki 10 km 4.5 39.5 N 143.5 E1 No tsunami alerts
15:54 JST 02 Apr 2013 Fukui-ken Reihoku 10 km 2.2 36.1 N 136.3 E1 No tsunami alerts
20:15 JST 02 Apr 2013 Fukushima-ken Oki 60 km 3.7 37.6 N 141.4 E1 No tsunami alerts
00:42 JST 03 Apr 2013 Miyagi-ken Oki 50 km 3.4 37.9 N 141.8 E1 No tsunami alerts
09:00 JST 03 Apr 2013 Akita-ken Nairiku-nambu 10 km 1.5 39.5 N 140.4 E1 No tsunami alerts
09:37 JST 03 Apr 2013 Kyoto-fu Hokubu 10 km 2.6 35.6 N 134.9 E1 No tsunami alerts
15:27 JST 03 Apr 2013 Tokara-retto Kinkai very shallow 4.0 29.3 N 128.9 E2 No tsunami alerts
20:57 JST 03 Apr 2013 Chichijima Kinkai 50 km 4.7 26.4 N 141.7 E2 No tsunami alerts
21:43 JST 03 Apr 2013 Tokara-retto Kinkai 10 km 3.3 29.2 N 129.1 E2 No tsunami alerts
23:29 JST 03 Apr 2013 Iwate-ken Oki 20 km 4.1 39.0 N 142.5 E1 No tsunami alerts
00:15 JST 04 Apr 2013 Shizuoka-ken Tobu 10 km 2.2 35.3 N 138.7 E2 No tsunami alerts
01:58 JST 04 Apr 2013 Ishikawa-ken Kaga-chiho 10 km 4.3 36.7 N 136.8 E4 No tsunami alerts
09:23 JST 04 Apr 2013 Akita-ken Engan-hokubu 20 km 2.7 40.1 N 140.0 E2 No tsunami alerts
10:57 JST 04 Apr 2013 Fukushima-ken Oki 50 km 4.0 37.0 N 141.2 E2 No tsunami alerts
13:42 JST 04 Apr 2013 Chiba-ken Toho-oki 10 km 5.3 35.8 N 141.0 E4 No tsunami alerts
13:42 JST 04 Apr 2013 Chiba-ken Toho-oki 10 km 5.3 35.8 N 141.0 E4 Intensity correction
17:43 JST 04 Apr 2013 Chiba-ken Toho-oki 10 km 3.1 35.8 N 141.0 E1 No tsunami alerts
18:09 JST 04 Apr 2013 Izu-hanto Toho-oki 10 km 3.5 35.0 N 139.1 E2 No tsunami alerts
18:26 JST 04 Apr 2013 Miyagi-ken Oki 50 km 3.1 38.3 N 141.8 E1 No tsunami alerts
09:28 JST 05 Apr 2013 Chiba-ken Toho-oki 10 km 3.2 35.8 N 141.0 E1 No tsunami alerts
09:39 JST 05 Apr 2013 Miyagi-ken Hokubu 80 km 3.8 38.9 N 141.6 E1 No tsunami alerts
12:56 JST 05 Apr 2013 Oshima-chiho Seibu 10 km 2.5 41.5 N 140.2 E2 No tsunami alerts
18:00 JST 05 Apr 2013 Ibaraki-ken Hokubu 10 km 2.4 36.7 N 140.6 E1 No tsunami alerts
03:55 JST 06 Apr 2013 Chiba-ken Toho-oki 10 km 3.5 35.8 N 141.1 E1 No tsunami alerts
04:25 JST 06 Apr 2013 Nemuro-hanto Nanto-oki 90 km 4.7 43.4 N 145.9 E3 No tsunami alerts
05:01 JST 06 Apr 2013 Ibaraki-ken Oki 40 km 5.2 36.7 N 141.3 E3 No tsunami alerts
05:01 JST 06 Apr 2013 Ibaraki-ken Oki 40 km 5.2 36.7 N 141.3 E3 Intensity correction
23:44 JST 06 Apr 2013 Miyagi-ken Oki 50 km 3.9 38.8 N 142.1 E2 No tsunami alerts
08:07 JST 07 Apr 2013 Izu-hanto Toho-oki 10 km 2.8 35.0 N 139.1 E1 No tsunami alerts
11:00 JST 07 Apr 2013 Fukui-ken Reinan very shallow 3.2 35.6 N 136.0 E2 No tsunami alerts
23:09 JST 07 Apr 2013 Chiba-ken Toho-oki 40 km 5.0 35.6 N 141.1 E2 No tsunami alerts
02:25 JST 08 Apr 2013 Miyagi-ken Oki 30 km 3.7 38.4 N 142.1 E1 No tsunami alerts
09:16 JST 08 Apr 2013 Fukushima-ken Oki 50 km 4.0 37.7 N 141.8 E1 No tsunami alerts
22:39 JST 08 Apr 2013 Yamanashi-ken Chu-seibu 10 km 3.5 35.8 N 138.8 E2 No tsunami alerts
00:54 JST 09 Apr 2013 Nagano-ken Hokubu 20 km 2.5 36.8 N 138.5 E1 No tsunami alerts
01:00 JST 09 Apr 2013 Nagano-ken Hokubu 20 km 2.0 36.7 N 138.5 E1 No tsunami alerts
04:54 JST 09 Apr 2013 Nagano-ken Hokubu 20 km 1.9 36.7 N 138.5 E1 No tsunami alerts
14:57 JST 09 Apr 2013 Nagano-ken Hokubu 20 km 2.1 36.7 N 138.5 E1 No tsunami alerts
22:07 JST 09 Apr 2013 Ibaraki-ken Oki 30 km 4.3 36.8 N 141.4 E1 No tsunami alerts
04:53 JST 10 Apr 2013 Ibaraki-ken Nambu 100 km 3.6 36.1 N 140.0 E1 No tsunami alerts
13:39 JST 10 Apr 2013 Fukushima-ken Oki 30 km 4.6 37.5 N 142.0 E2 No tsunami alerts
16:32 JST 10 Apr 2013 Iwate-ken Nairiku-hokubu 10 km 2.4 40.3 N 141.3 E1 No tsunami alerts
19:35 JST 10 Apr 2013 Miyagi-ken Oki 50 km 3.5 38.5 N 141.7 E1 No tsunami alerts
06:32 JST 11 Apr 2013 Miyazaki-ken Nambu-yamazoi 10 km 2.4 31.9 N 131.1 E1 No tsunami alerts
07:38 JST 11 Apr 2013 Kumamoto-ken Aso-chiho 10 km 2.8 33.1 N 131.1 E1 No tsunami alerts
12:06 JST 11 Apr 2013 Urakawa Oki 70 km 4.2 41.6 N 142.1 E2 No tsunami alerts
17:54 JST 11 Apr 2013 Shizuoka-ken Seibu 20 km 2.8 34.9 N 138.0 E1 No tsunami alerts
19:17 JST 11 Apr 2013 Mikawa-wan very shallow 3.0 34.7 N 137.0 E1 No tsunami alerts
23:54 JST 11 Apr 2013 Fukushima-ken Oki 50 km 3.5 37.5 N 141.5 E1 No tsunami alerts
08:45 JST 12 Apr 2013 Ibaraki-ken Oki 20 km 3.8 35.9 N 141.0 E1 No tsunami alerts
11:32 JST 12 Apr 2013 Fukushima-ken Oki 50 km 3.4 37.5 N 141.4 E1 No tsunami alerts
15:51 JST 12 Apr 2013 Miyagi-ken Oki 50 km 3.9 38.1 N 141.8 E1 No tsunami alerts
05:33 JST 13 Apr 2013 Awajishima Fukin 10 km 6.0 34.4 N 134.8 E6 lower  
05:33 JST 13 Apr 2013 Awajishima Fukin 10 km 6.0 34.4 N 134.8 E6 lower Intensity correction
05:41 JST 13 Apr 2013 Osaka-wan 10 km 3.8 34.4 N 134.9 E3 No tsunami alerts
06:05 JST 13 Apr 2013 Awajishima Fukin 10 km 2.7 34.4 N 134.8 E1 No tsunami alerts
06:09 JST 13 Apr 2013 Harima-nada 10 km 3.2 34.5 N 134.8 E1 No tsunami alerts
06:17 JST 13 Apr 2013 Awajishima Fukin 10 km 3.2 34.4 N 134.8 E2 No tsunami alerts
06:23 JST 13 Apr 2013 Awajishima Fukin 10 km 3.0 34.4 N 134.8 E1 No tsunami alerts
06:31 JST 13 Apr 2013 Awajishima Fukin 10 km 3.4 34.4 N 134.8 E2 No tsunami alerts
07:08 JST 13 Apr 2013 Awajishima Fukin 10 km 2.7 34.4 N 134.8 E1 No tsunami alerts
07:13 JST 13 Apr 2013 Mie-ken Hokubu 10 km 2.7 34.8 N 136.5 E1 No tsunami alerts
07:21 JST 13 Apr 2013 Hokkaido Nansei-oki 10 km 3.6 42.9 N 139.2 E1 No tsunami alerts
08:18 JST 13 Apr 2013 Awajishima Fukin 10 km 2.9 34.4 N 134.8 E1 No tsunami alerts
08:52 JST 13 Apr 2013 Osaka-wan 10 km 2.7 34.4 N 134.9 E1 No tsunami alerts
12:00 JST 13 Apr 2013 Yamanashi-ken Tobu-Fujigoko 20 km 2.4 35.5 N 139.0 E1 No tsunami alerts
13:33 JST 13 Apr 2013 Awajishima Fukin 10 km 2.8 34.4 N 134.8 E1 No tsunami alerts
13:37 JST 13 Apr 2013 Chiba-ken Hokuseibu 80 km 2.8 35.7 N 140.2 E1 No tsunami alerts
13:56 JST 13 Apr 2013 Awajishima Fukin 10 km 3.0 34.4 N 134.8 E1 No tsunami alerts
15:17 JST 13 Apr 2013 Awajishima Fukin 10 km 3.5 34.4 N 134.8 E2 No tsunami alerts
15:26 JST 13 Apr 2013 Awajishima Fukin 10 km 2.2 34.4 N 134.8 E1 No tsunami alerts
15:29 JST 13 Apr 2013 Awajishima Fukin 10 km 2.7 34.4 N 134.8 E1 No tsunami alerts
09:29 JST 14 Apr 2013 Hiroshima-ken Hokubu 10 km 2.8 34.9 N 132.8 E1 No tsunami alerts
10:22 JST 14 Apr 2013 Saitama-ken Hokubu 100 km 4.7 36.0 N 139.4 E3 No tsunami alerts
12:27 JST 14 Apr 2013 Miyagi-ken Oki 50 km 3.2 38.0 N 141.6 E1 No tsunami alerts
16:26 JST 14 Apr 2013 Gifu-ken Hida-chiho 10 km 3.5 35.7 N 137.1 E2 No tsunami alerts
18:23 JST 14 Apr 2013 Chiba-ken Toho-oki 10 km 3.3 35.8 N 141.0 E1 No tsunami alerts
22:25 JST 14 Apr 2013 Fukushima-ken Oki 50 km 5.2 37.5 N 141.4 E4 No tsunami alerts
22:25 JST 14 Apr 2013 Fukushima-ken Oki 50 km 5.2 37.5 N 141.4 E4 Intensity correction
22:57 JST 14 Apr 2013 Fukushima-ken Hamadori 10 km 3.0 36.9 N 140.8 E1 No tsunami alerts
02:30 JST 15 Apr 2013 Tokara-retto Kinkai 10 km 3.8 29.3 N 129.1 E2 No tsunami alerts
03:40 JST 15 Apr 2013 Tokara-retto Kinkai 10 km 3.3 29.3 N 129.1 E1 No tsunami alerts
04:30 JST 15 Apr 2013 Miyakojima Kinkai 50 km 3.3 24.7 N 125.4 E1 No tsunami alerts
13:18 JST 15 Apr 2013 Ibaraki-ken Oki 10 km 3.4 36.6 N 141.0 E1 No tsunami alerts
14:54 JST 15 Apr 2013 Tokachi-chiho Nambu 50 km 3.5 42.3 N 143.2 E1 No tsunami alerts
18:23 JST 15 Apr 2013 Fukuoka-ken Chikugo-chiho 10 km 2.7 33.0 N 130.4 E1 No tsunami alerts
04:48 JST 16 Apr 2013 Amami-oshima Kinkai 80 km 3.5 28.5 N 129.1 E1 No tsunami alerts
07:01 JST 16 Apr 2013 Ibaraki-ken Oki 20 km 3.9 36.8 N 141.3 E1 No tsunami alerts
11:04 JST 16 Apr 2013 Miyagi-ken Oki 40 km 3.6 38.8 N 142.0 E2 No tsunami alerts
13:06 JST 16 Apr 2013 Nagano-ken Chubu 10 km 2.3 36.4 N 138.0 E1 No tsunami alerts
14:47 JST 16 Apr 2013 Miyagi-ken Oki 50 km 3.7 38.2 N 141.6 E3 No tsunami alerts
09:00 JST 17 Apr 2013 Kumamoto-ken Aso-chiho 10 km 2.7 33.1 N 131.1 E1 No tsunami alerts
10:00 JST 17 Apr 2013 Miyagi-ken Oki 50 km 4.0 38.2 N 141.7 E2 No tsunami alerts
10:15 JST 17 Apr 2013 Miyakejima Kinkai 20 km 4.4 34.1 N 139.3 E3 No tsunami alerts
11:14 JST 17 Apr 2013 Miyakejima Kinkai 20 km 4.6 34.0 N 139.4 E3 No tsunami alerts
11:16 JST 17 Apr 2013 Miyakejima Kinkai 20 km 4.6 34.1 N 139.3 E3 No tsunami alerts
11:54 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.0 34.1 N 139.3 E1 No tsunami alerts
12:01 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.0 34.1 N 139.3 E1 No tsunami alerts
12:12 JST 17 Apr 2013 Miyakejima Kinkai 20 km 4.1 34.0 N 139.3 E2 No tsunami alerts
12:22 JST 17 Apr 2013 Miyakejima Kinkai 20 km 4.7 34.0 N 139.3 E3 No tsunami alerts
12:30 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.2 34.0 N 139.3 E1 No tsunami alerts
12:36 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.9 34.0 N 139.2 E1 No tsunami alerts
13:55 JST 17 Apr 2013 Miyagi-ken Oki 60 km 3.7 38.2 N 141.7 E1 No tsunami alerts
14:29 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.9 34.0 N 139.4 E2 No tsunami alerts
14:33 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.4 34.1 N 139.4 E2 No tsunami alerts
15:18 JST 17 Apr 2013 Yonagunijima Kinkai very shallow 4.5 24.9 N 123.2 E1 No tsunami alerts
15:31 JST 17 Apr 2013 Yonagunijima Kinkai very shallow 4.4 24.8 N 123.3 E1 No tsunami alerts
15:36 JST 17 Apr 2013 Yonagunijima Kinkai 20 km 4.2 24.8 N 123.2 E1 No tsunami alerts
15:43 JST 17 Apr 2013 Ishigakijima Hokusei-oki very shallow 5.6 25.0 N 123.1 E1 No tsunami alerts
15:50 JST 17 Apr 2013 Ishigakijima Hokusei-oki very shallow 5.7 25.0 N 123.1 E1 No tsunami alerts
16:26 JST 17 Apr 2013 Ishigakijima Hokusei-oki 10 km 5.5 25.0 N 123.2 E1 No tsunami alerts
16:39 JST 17 Apr 2013 Yonagunijima Kinkai 10 km 4.1 24.8 N 123.3 E1 No tsunami alerts
16:40 JST 17 Apr 2013 Ishigakijima Hokusei-oki 20 km 4.0 25.2 N 123.5 E1 No tsunami alerts
16:52 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.7 34.0 N 139.3 E1 No tsunami alerts
17:57 JST 17 Apr 2013 Miyakejima Kinkai 20 km 6.2 34.1 N 139.4 E5 upper  
18:01 JST 17 Apr 2013 Miyakejima Kinkai very shallow 3.7 34.1 N 139.4 E2 No tsunami alerts
18:06 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.4 34.0 N 139.3 E3  
18:13 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.6 34.0 N 139.3 E2 No tsunami alerts
18:24 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.5 34.0 N 139.4 E1 No tsunami alerts
18:36 JST 17 Apr 2013 Miyakejima Kinkai 10 km 3.3 34.0 N 139.3 E1 No tsunami alerts
18:56 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.7 34.0 N 139.4 E1 No tsunami alerts
19:00 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.4 34.0 N 139.4 E1 No tsunami alerts
19:25 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.7 34.0 N 139.4 E1 No tsunami alerts
19:47 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.1 34.0 N 139.4 E1 No tsunami alerts
19:55 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.7 34.0 N 139.4 E1 No tsunami alerts
20:12 JST 17 Apr 2013 Yonagunijima Kinkai 20 km 5.2 24.9 N 123.3 E1 No tsunami alerts
20:13 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.6 34.0 N 139.4 E1 No tsunami alerts
20:27 JST 17 Apr 2013 Miyakejima Kinkai 10 km 2.7 34.0 N 139.4 E1 No tsunami alerts
20:33 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.2 34.0 N 139.4 E2 No tsunami alerts
21:03 JST 17 Apr 2013 Miyagi-ken Oki 60 km 5.8 38.5 N 141.6 EUnknNo tsunami alerts
21:10 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.9 34.0 N 139.3 E1 No tsunami alerts
21:20 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.8 34.0 N 139.4 E1 No tsunami alerts
22:10 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.3 34.1 N 139.5 E1 No tsunami alerts
22:12 JST 17 Apr 2013 Miyakejima Kinkai 20 km 3.5 34.0 N 139.4 E2 No tsunami alerts
22:21 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.3 34.0 N 139.4 E1 No tsunami alerts
22:33 JST 17 Apr 2013 Kushiro Oki 50 km 4.0 42.9 N 145.5 E2 No tsunami alerts
23:13 JST 17 Apr 2013 Miyagi-ken Oki 50 km 4.2 38.9 N 142.0 E2 No tsunami alerts
23:17 JST 17 Apr 2013 Miyakejima Kinkai 10 km 4.1 34.0 N 139.3 E2 No tsunami alerts
23:45 JST 17 Apr 2013 Fukushima-ken Oki 50 km 4.1 37.6 N 141.8 E1 No tsunami alerts
23:48 JST 17 Apr 2013 Miyakejima Kinkai 20 km 2.8 34.0 N 139.4 E1 No tsunami alerts
00:23 JST 18 Apr 2013 Miyakejima Kinkai 10 km 3.0 33.9 N 139.3 E1 No tsunami alerts
04:04 JST 18 Apr 2013 Chiba-ken Toho-oki 10 km 3.5 35.7 N 141.0 E1 No tsunami alerts
04:14 JST 18 Apr 2013 Ishigakijima Hokusei-oki 10 km 4.6 25.0 N 123.4 E1 No tsunami alerts
05:47 JST 18 Apr 2013 Miyakejima Kinkai 20 km 2.7 34.1 N 139.3 E1 No tsunami alerts
15:15 JST 18 Apr 2013 Miyakejima Kinkai 10 km 2.9 34.1 N 139.3 E1 No tsunami alerts
16:44 JST 18 Apr 2013 Miyakejima Kinkai 20 km 3.1 34.1 N 139.4 E1 No tsunami alerts
19:53 JST 18 Apr 2013 Ibaraki-ken Oki 30 km 3.1 36.5 N 140.9 E1 No tsunami alerts
23:08 JST 18 Apr 2013 Ishigakijima Hokusei-oki very shallow 5.9 25.1 N 123.5 E1 No tsunami alerts
23:29 JST 18 Apr 2013 Miyakejima Kinkai 20 km 2.9 34.0 N 139.3 E1 No tsunami alerts
05:00 JST 19 Apr 2013 Ibaraki-ken Nambu 80 km 3.6 36.1 N 139.8 E2 No tsunami alerts
05:40 JST 19 Apr 2013 Ibaraki-ken Oki 60 km 3.4 36.5 N 141.1 E1 No tsunami alerts
09:03 JST 19 Apr 2013 Kamikawa-chiho Nambu 10 km 2.8 43.2 N 142.5 E2 No tsunami alerts
09:28 JST 19 Apr 2013 Miyagi-ken Oki 60 km 3.5 38.9 N 141.7 E2 No tsunami alerts
10:24 JST 19 Apr 2013 Ibaraki-ken Hokubu 30 km 3.6 36.5 N 140.5 E2 No tsunami alerts
11:06 JST 19 Apr 2013 Fukushima-ken Oki 20 km 4.4 37.6 N 141.8 E2 No tsunami alerts
12:06 JST 19 Apr 2013 Chishima-retto 10 km 7.0 46.2 N 150.9 EUnkn 
17:46 JST 19 Apr 2013 Sanriku Oki 10 km 4.6 39.6 N 143.5 E1 No tsunami alerts
18:03 JST 19 Apr 2013 Miyakejima Kinkai 10 km 3.1 34.0 N 139.3 E1 No tsunami alerts
20:11 JST 19 Apr 2013 Sanriku Oki 10 km 4.6 39.7 N 143.3 E1 No tsunami alerts
22:42 JST 19 Apr 2013 Hiroshima-ken Hokubu 10 km 3.0 34.9 N 132.9 E1 No tsunami alerts
22:51 JST 19 Apr 2013 Tokara-retto Kinkai 10 km 3.0 29.2 N 129.2 E1 No tsunami alerts
23:11 JST 19 Apr 2013 Chiba-ken Toho-oki 10 km 4.7 35.7 N 140.9 E4 No tsunami alerts
23:59 JST 19 Apr 2013 Awajishima Fukin 20 km 2.7 34.4 N 134.8 E1 No tsunami alerts
00:48 JST 20 Apr 2013 Nagano-ken Nambu 50 km 4.0 35.2 N 137.6 E2 No tsunami alerts
15:22 JST 20 Apr 2013 Kagoshima-ken Satsuma-chiho 10 km 2.2 32.0 N 130.4 E1 No tsunami alerts
16:43 JST 20 Apr 2013 Kushiro-chiho Chunambu 120 km 3.2 43.1 N 144.2 E1 No tsunami alerts
17:37 JST 20 Apr 2013 Miyagi-ken Oki 50 km 3.3 38.5 N 141.8 E1 No tsunami alerts
18:04 JST 20 Apr 2013 Miyakejima Kinkai 10 km 2.5 34.0 N 139.3 E1 No tsunami alerts
19:06 JST 20 Apr 2013 Kumamoto-ken Kumamoto-chiho 10 km 3.3 33.0 N 130.8 E2 No tsunami alerts
23:39 JST 20 Apr 2013 Tochigi-ken Hokubu 10 km 2.3 36.8 N 139.5 E1 No tsunami alerts
00:44 JST 21 Apr 2013 Miyagi-ken Oki 60 km 3.5 38.3 N 141.9 E1 No tsunami alerts
01:34 JST 21 Apr 2013 Miyagi-ken Oki 50 km 3.0 38.7 N 141.8 E1 No tsunami alerts
04:23 JST 21 Apr 2013 Tochigi-ken Hokubu 10 km 2.0 36.8 N 139.5 E1 No tsunami alerts
04:42 JST 21 Apr 2013 Miyagi-ken Oki 50 km 3.8 38.6 N 141.9 E1 No tsunami alerts
07:13 JST 21 Apr 2013 Ibaraki-ken Hokubu 20 km 2.9 36.6 N 140.6 E1 No tsunami alerts
10:28 JST 21 Apr 2013 Ibaraki-ken Oki 40 km 4.1 36.6 N 141.1 E2 No tsunami alerts
11:34 JST 21 Apr 2013 Fukushima-ken Oki 50 km 3.8 37.7 N 141.8 E1 No tsunami alerts
12:23 JST 21 Apr 2013 Torishima Kinkai 450 km 6.7 29.9 N 139.6 E2 No tsunami alerts
19:27 JST 21 Apr 2013 Fukushima-ken Nakadori 10 km 4.2 37.4 N 140.1 E4 No tsunami alerts
21:57 JST 21 Apr 2013 Ibaraki-ken Oki 30 km 3.7 36.3 N 141.1 E1 No tsunami alerts
02:43 JST 22 Apr 2013 Hyuga-nada 10 km 3.2 32.3 N 132.2 E1 No tsunami alerts
04:05 JST 22 Apr 2013 Chiba-ken Toho-oki 10 km 3.1 35.8 N 141.0 E1 No tsunami alerts
06:27 JST 22 Apr 2013 Miyakejima Kinkai very shallow 2.7 34.0 N 139.4 E1 No tsunami alerts
10:23 JST 22 Apr 2013 Ibaraki-ken Oki 20 km 4.0 35.9 N 141.2 E1 No tsunami alerts
12:46 JST 22 Apr 2013 Tochigi-ken Hokubu 10 km 2.4 36.8 N 139.5 E2 No tsunami alerts
14:41 JST 22 Apr 2013 Ishigakijima Kinkai 20 km 3.7 24.9 N 123.4 E1 No tsunami alerts
16:02 JST 22 Apr 2013 Fukushima-ken Oki 20 km 3.8 37.0 N 141.4 E1 No tsunami alerts
19:58 JST 22 Apr 2013 Saitama-ken Nambu 90 km 3.3 36.0 N 139.8 E1 No tsunami alerts
02:51 JST 23 Apr 2013 Urakawa Oki 70 km 4.3 41.9 N 142.1 E2 No tsunami alerts
04:26 JST 23 Apr 2013 Tokachi-chiho Chubu 120 km 3.3 42.9 N 142.8 E1 No tsunami alerts
12:00 JST 23 Apr 2013 Ibaraki-ken Oki 30 km 4.0 36.7 N 141.2 E2 No tsunami alerts
13:56 JST 23 Apr 2013 Nemuro-hanto Nanto-oki 70 km 3.9 43.2 N 146.1 E2 No tsunami alerts
22:06 JST 23 Apr 2013 Akita-ken Nairiku-nambu 10 km 2.5 39.5 N 140.4 E1 No tsunami alerts
06:55 JST 24 Apr 2013 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E2 No tsunami alerts
07:47 JST 24 Apr 2013 Wakayama-ken Hokubu 10 km 2.8 34.0 N 135.3 E1 No tsunami alerts
08:27 JST 24 Apr 2013 Aki-nada very shallow 2.8 34.2 N 132.3 E1 No tsunami alerts
09:46 JST 24 Apr 2013 Kii-suido 10 km 3.1 34.2 N 135.1 E1 No tsunami alerts
14:43 JST 24 Apr 2013 Kagoshima-ken Satsuma-chiho very shallow 2.0 32.0 N 130.5 E1 No tsunami alerts
15:21 JST 24 Apr 2013 Hachijojima Kinkai 230 km 4.8 32.5 N 139.3 E1 No tsunami alerts
15:31 JST 24 Apr 2013 Ibaraki-ken Hokubu 10 km 3.4 36.7 N 140.6 E2 No tsunami alerts
01:04 JST 25 Apr 2013 Shizuoka-ken Seibu 20 km 3.1 34.9 N 138.0 E1 No tsunami alerts
08:47 JST 25 Apr 2013 Miyazaki-ken Hokubu-heiyabu 60 km 4.1 32.6 N 131.7 E3 No tsunami alerts
11:07 JST 25 Apr 2013 Ehime-ken Nan-yo 50 km 3.1 33.5 N 132.4 E1 No tsunami alerts
16:16 JST 25 Apr 2013 Fukushima-ken Nakadori 10 km 4.2 37.1 N 140.5 E3 No tsunami alerts
16:26 JST 25 Apr 2013 Fukushima-ken Nakadori 10 km 3.4 37.1 N 140.5 E2 No tsunami alerts
18:39 JST 25 Apr 2013 Fukushima-ken Nakadori 10 km 2.6 37.1 N 140.5 E1 No tsunami alerts
19:30 JST 25 Apr 2013 Fukushima-ken Nakadori 10 km 2.7 37.1 N 140.5 E1 No tsunami alerts
01:04 JST 26 Apr 2013 Miyagi-ken Oki 30 km 3.6 38.4 N 142.2 E1 No tsunami alerts
01:17 JST 26 Apr 2013 Fukushima-ken Nakadori 10 km 2.6 37.1 N 140.5 E1 No tsunami alerts
07:57 JST 26 Apr 2013 Chiba-ken Toho-oki 50 km 3.3 35.6 N 140.8 E1 No tsunami alerts
13:46 JST 26 Apr 2013 Fukushima-ken Nakadori 10 km 2.7 37.1 N 140.5 E1 No tsunami alerts
14:17 JST 26 Apr 2013 Wakayama-ken Hokubu very shallow 3.1 34.0 N 135.2 E1 No tsunami alerts
16:19 JST 26 Apr 2013 Fukushima-ken Nakadori 10 km 2.6 37.1 N 140.5 E1 No tsunami alerts
17:41 JST 26 Apr 2013 Fukushima-ken Oki 30 km 3.2 37.2 N 141.2 E1 No tsunami alerts
20:28 JST 26 Apr 2013 Kumamoto-ken Aso-chiho 10 km 2.5 33.1 N 131.1 E1 No tsunami alerts
22:23 JST 26 Apr 2013 Chiba-ken Toho-oki 10 km 3.2 35.8 N 141.0 E1 No tsunami alerts
22:55 JST 26 Apr 2013 Wakayama-ken Hokubu very shallow 2.3 34.2 N 135.2 E1 No tsunami alerts
00:05 JST 27 Apr 2013 Fukui-ken Reinan 10 km 2.7 35.6 N 136.0 E2 No tsunami alerts
00:22 JST 27 Apr 2013 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
04:05 JST 27 Apr 2013 Osumi-hanto Toho-oki 30 km 3.6 31.2 N 131.5 E2 No tsunami alerts
08:06 JST 27 Apr 2013 Harima-nada 20 km 3.5 34.5 N 134.8 E2 No tsunami alerts
11:05 JST 27 Apr 2013 Miyagi-ken Oki 20 km 3.6 38.5 N 142.0 E1 No tsunami alerts
13:06 JST 27 Apr 2013 Harima-nada 20 km 2.8 34.5 N 134.8 E1 No tsunami alerts
13:52 JST 27 Apr 2013 Akita-ken Nairiku-nambu 20 km 2.3 39.5 N 140.4 E1 No tsunami alerts
17:22 JST 27 Apr 2013 Miyagi-ken Oki 30 km 3.6 38.5 N 142.1 E1 No tsunami alerts
08:54 JST 28 Apr 2013 Fukushima-ken Oki 10 km 4.6 36.7 N 142.3 E1 No tsunami alerts
22:00 JST 28 Apr 2013 Amami-oshima Kinkai 30 km 3.3 28.4 N 130.0 E2 No tsunami alerts
01:47 JST 29 Apr 2013 Ibaraki-ken Oki 40 km 4.0 36.4 N 141.1 E1 No tsunami alerts
05:24 JST 29 Apr 2013 Miyagi-ken Oki 60 km 4.2 38.2 N 141.8 E2 No tsunami alerts
14:53 JST 29 Apr 2013 Tochigi-ken Hokubu 10 km 2.0 36.9 N 139.4 E1 No tsunami alerts
16:40 JST 29 Apr 2013 Iwate-ken Oki 40 km 3.7 40.4 N 142.3 E1 No tsunami alerts
21:19 JST 29 Apr 2013 Kochi-ken Chubu 10 km 2.9 33.6 N 133.7 E2 No tsunami alerts
22:01 JST 29 Apr 2013 Ibaraki-ken Oki 30 km 5.7 35.8 N 141.3 E3 No tsunami alerts
22:01 JST 29 Apr 2013 Ibaraki-ken Oki 30 km 5.7 35.8 N 141.3 E3 Intensity correction
22:56 JST 29 Apr 2013 Iwate-ken Oki 30 km 4.4 39.2 N 142.5 E1 No tsunami alerts
02:28 JST 30 Apr 2013 Miyagi-ken Oki 50 km 3.2 38.9 N 142.0 E1 No tsunami alerts
04:40 JST 30 Apr 2013 Miyakejima Kinkai 10 km 2.7 34.1 N 139.4 E1 No tsunami alerts
05:23 JST 30 Apr 2013 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
09:49 JST 30 Apr 2013 Fukushima-ken Oki 50 km 4.0 37.5 N 141.4 E2 No tsunami alerts
10:07 JST 30 Apr 2013 Aichi-ken Seibu 40 km 3.4 35.1 N 137.3 E2 No tsunami alerts
11:27 JST 30 Apr 2013 Miyagi-ken Oki 30 km 3.9 38.9 N 142.4 E1 No tsunami alerts
22:09 JST 30 Apr 2013 Gumma-ken Nambu 10 km 4.3 36.5 N 139.4 EUnknNo tsunami alerts
22:21 JST 30 Apr 2013 Gumma-ken Nambu 10 km 2.5 36.5 N 139.4 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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