J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
04:40 JST 01 May 2013 Gumma-ken Nambu 10 km 3.5 36.5 N 139.4 E2 No tsunami alerts
09:43 JST 01 May 2013 Chiba-ken Toho-oki 30 km 3.3 35.7 N 141.1 E1 No tsunami alerts
10:44 JST 01 May 2013 Miyakojima Kinkai 20 km 3.8 24.7 N 125.1 E1 No tsunami alerts
12:59 JST 01 May 2013 Awajishima Fukin 10 km 3.1 34.4 N 134.8 E2 No tsunami alerts
13:49 JST 01 May 2013 Tochigi-ken Hokubu very shallow 2.6 36.9 N 139.5 E1 No tsunami alerts
17:17 JST 01 May 2013 Chiba-ken Hokuseibu 80 km 3.2 35.7 N 140.1 E1 No tsunami alerts
19:59 JST 01 May 2013 Miyagi-ken Oki 40 km 3.9 38.3 N 142.2 E1 No tsunami alerts
20:15 JST 01 May 2013 Chiba-ken Toho-oki 10 km 3.8 35.8 N 141.1 E1 No tsunami alerts
04:14 JST 02 May 2013 Ibaraki-ken Hokubu very shallow 2.7 36.7 N 140.6 E1 No tsunami alerts
05:43 JST 02 May 2013 Ibaraki-ken Hokubu 60 km 3.9 36.5 N 140.6 E2 No tsunami alerts
07:36 JST 02 May 2013 Fukushima-ken Oki 30 km 4.1 37.4 N 141.5 E2 No tsunami alerts
09:01 JST 02 May 2013 Tochigi-ken Hokubu very shallow 2.7 36.9 N 139.4 E1 No tsunami alerts
09:55 JST 02 May 2013 Fukushima-ken Oki 40 km 4.4 37.4 N 141.5 E3 No tsunami alerts
10:40 JST 02 May 2013 Kumamoto-ken Amakusa-Ashikita-chiho 10 km 2.5 32.4 N 130.5 E1 No tsunami alerts
21:04 JST 02 May 2013 Iwate-ken Oki 50 km 3.7 40.4 N 142.1 E2 No tsunami alerts
22:04 JST 02 May 2013 Gumma-ken Nambu 10 km 4.3 36.5 N 139.4 E4 No tsunami alerts
03:24 JST 03 May 2013 Gumma-ken Nambu 10 km 2.8 36.5 N 139.4 E1 No tsunami alerts
10:32 JST 03 May 2013 Kii-suido 10 km 3.2 33.9 N 135.0 E1 No tsunami alerts
17:54 JST 03 May 2013 Gumma-ken Nambu 10 km 2.4 36.5 N 139.4 E1 No tsunami alerts
01:54 JST 04 May 2013 Yamanashi-ken Chu-seibu 10 km 2.5 35.8 N 138.6 E1 No tsunami alerts
05:55 JST 04 May 2013 Iriomotejima Fukin 30 km 4.2 23.9 N 123.6 E1 No tsunami alerts
07:20 JST 04 May 2013 Fukushima-ken Oki 30 km 4.0 36.9 N 141.4 E1 No tsunami alerts
18:13 JST 04 May 2013 Okinawa-honto Kinkai 40 km 3.3 27.4 N 128.6 E2 No tsunami alerts
07:02 JST 05 May 2013 Hyuga-nada 20 km 3.2 31.6 N 131.8 E1 No tsunami alerts
07:17 JST 05 May 2013 Ibaraki-ken Hokubu 90 km 3.9 36.3 N 140.5 E2 No tsunami alerts
15:54 JST 05 May 2013 Ibaraki-ken Nambu 70 km 3.3 36.3 N 140.0 E1 No tsunami alerts
20:22 JST 05 May 2013 Fukushima-ken Oki 20 km 3.8 36.9 N 140.9 E2 No tsunami alerts
23:32 JST 05 May 2013 Fukushima-ken Aizu very shallow 2.1 37.1 N 139.4 E1 No tsunami alerts
00:59 JST 06 May 2013 Miyagi-ken Oki 60 km 3.3 38.1 N 141.8 E1 No tsunami alerts
02:39 JST 06 May 2013 Ibaraki-ken Oki 40 km 3.9 36.3 N 141.1 E2 No tsunami alerts
09:06 JST 06 May 2013 Miyagi-ken Oki 40 km 3.9 38.6 N 142.0 E2 No tsunami alerts
13:33 JST 06 May 2013 Miyagi-ken Oki 40 km 4.0 38.5 N 142.1 E2 No tsunami alerts
19:16 JST 06 May 2013 Iwate-ken Oki 30 km 3.9 40.2 N 142.4 E1 No tsunami alerts
22:06 JST 06 May 2013 Fukuoka-ken Hokusei-oki 10 km 3.2 33.8 N 130.1 E1 No tsunami alerts
22:15 JST 06 May 2013 Fukushima-ken Oki 10 km 4.7 37.5 N 143.5 E1 No tsunami alerts
02:38 JST 07 May 2013 Miyagi-ken Nambu 130 km 3.6 38.0 N 140.6 E1 No tsunami alerts
04:57 JST 07 May 2013 Tokushima-ken Nambu 10 km 2.5 33.7 N 134.3 E1 No tsunami alerts
07:37 JST 07 May 2013 Wakayama-ken Hokubu very shallow 2.3 34.2 N 135.2 E1 No tsunami alerts
09:38 JST 07 May 2013 Chiba-ken Toho-oki 10 km 3.3 35.8 N 140.9 E1 No tsunami alerts
10:04 JST 07 May 2013 Fukushima-ken Oki 40 km 4.6 37.5 N 141.9 EUnknNo tsunami alerts
02:16 JST 08 May 2013 Okinawa-honto Kinkai 10 km 3.0 26.6 N 127.8 E1 No tsunami alerts
03:29 JST 08 May 2013 Hidaka-chiho Tobu 60 km 3.3 42.3 N 143.0 E1 No tsunami alerts
12:53 JST 08 May 2013 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
13:00 JST 08 May 2013 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
20:18 JST 08 May 2013 Chiba-ken Toho-oki 60 km 4.3 35.7 N 140.8 E2 No tsunami alerts
20:23 JST 08 May 2013 Chiba-ken Toho-oki 50 km 4.0 35.7 N 140.8 E1 No tsunami alerts
23:11 JST 08 May 2013 Hokkaido Toho-oki 60 km 4.4 43.9 N 147.3 E1 No tsunami alerts
02:09 JST 09 May 2013 Fukushima-ken Aizu 10 km 3.7 37.0 N 139.5 E2 No tsunami alerts
05:31 JST 09 May 2013 Ibaraki-ken Oki 40 km 3.5 36.4 N 141.1 E1 No tsunami alerts
06:09 JST 09 May 2013 Miyagi-ken Oki 30 km 3.2 38.4 N 142.0 E1 No tsunami alerts
10:15 JST 09 May 2013 Kunashirito Fukin 130 km 3.9 43.8 N 145.9 E1 No tsunami alerts
13:29 JST 09 May 2013 Okinawa-honto Kinkai 70 km 4.0 26.4 N 126.8 E2 No tsunami alerts
00:40 JST 10 May 2013 Shimane-ken Seibu 20 km 2.7 34.8 N 132.5 E1 No tsunami alerts
01:56 JST 10 May 2013 Ehime-ken Toyo very shallow 3.7 33.9 N 133.6 E3 No tsunami alerts
16:04 JST 10 May 2013 Tochigi-ken Hokubu very shallow 2.5 36.9 N 139.4 E1 No tsunami alerts
20:04 JST 10 May 2013 Iwate-ken Nairiku-hokubu 10 km 2.9 39.9 N 140.9 E2 No tsunami alerts
21:19 JST 10 May 2013 Fukushima-ken Oki 30 km 3.7 37.2 N 141.3 E1 No tsunami alerts
00:44 JST 11 May 2013 Gumma-ken Nambu 10 km 3.3 36.5 N 139.4 E2 No tsunami alerts
07:04 JST 11 May 2013 Amami-oshima Kinkai 20 km 3.7 28.6 N 129.7 E1 No tsunami alerts
18:25 JST 11 May 2013 Kumamoto-ken Kumamoto-chiho 10 km 2.7 32.6 N 130.8 E1 No tsunami alerts
01:19 JST 12 May 2013 Okinawa-honto Kinkai 20 km 2.4 26.4 N 127.8 E1 No tsunami alerts
11:49 JST 12 May 2013 Fukushima-ken Oki 20 km 3.1 37.5 N 141.3 E1 No tsunami alerts
14:55 JST 12 May 2013 Ibaraki-ken Oki 50 km 3.8 36.5 N 140.7 E2 No tsunami alerts
21:43 JST 12 May 2013 Amakusa-nada 10 km 3.0 32.1 N 130.0 E1 No tsunami alerts
01:12 JST 13 May 2013 Tokachi-chiho Chubu 110 km 2.7 42.8 N 143.4 E1 No tsunami alerts
01:46 JST 13 May 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
02:47 JST 13 May 2013 Aomori-ken Toho-oki 70 km 3.3 41.4 N 141.7 E1 No tsunami alerts
06:58 JST 13 May 2013 Miyagi-ken Oki 30 km 3.2 38.6 N 142.1 E1 No tsunami alerts
07:17 JST 13 May 2013 Tokachi-chiho Chubu 60 km 2.8 42.7 N 143.3 E1 No tsunami alerts
07:43 JST 13 May 2013 Hokkaido Toho-oki 10 km 5.0 43.7 N 147.8 E2 No tsunami alerts
07:56 JST 13 May 2013 Nagano-ken Nambu 10 km 2.6 35.8 N 137.6 E2 No tsunami alerts
08:26 JST 13 May 2013 Izu-hanto Toho-oki 10 km 1.5 35.0 N 139.1 E1 No tsunami alerts
08:47 JST 13 May 2013 Iwate-ken Oki 40 km 3.4 40.0 N 142.5 E1 No tsunami alerts
14:54 JST 13 May 2013 Tochigi-ken Nambu 20 km 2.7 36.6 N 140.0 E1 No tsunami alerts
16:34 JST 13 May 2013 Chiba-ken Toho-oki 10 km 3.3 35.7 N 141.0 E1 No tsunami alerts
22:08 JST 13 May 2013 Miyagi-ken Oki 60 km 3.9 38.2 N 141.9 E2 No tsunami alerts
22:59 JST 13 May 2013 Ibaraki-ken Hokubu 10 km 4.4 36.9 N 140.6 E2 No tsunami alerts
23:14 JST 13 May 2013 Ibaraki-ken Hokubu 10 km 3.4 36.9 N 140.6 E1 No tsunami alerts
06:35 JST 14 May 2013 Wakayama-ken Hokubu 10 km 3.0 34.2 N 135.2 E2 No tsunami alerts
06:56 JST 14 May 2013 Fukushima-ken Oki 30 km 3.9 37.5 N 141.4 E2 No tsunami alerts
08:01 JST 14 May 2013 Miyagi-ken Oki 30 km 4.2 38.4 N 142.2 EUnknNo tsunami alerts
09:35 JST 14 May 2013 Mariana Islands 590 km 6.8 18.8 N 145.4 E1 No tsunami alerts
15:53 JST 14 May 2013 Iwate-ken Oki 50 km 3.2 40.4 N 142.2 E1 No tsunami alerts
22:54 JST 14 May 2013 Miyagi-ken Oki 40 km 3.6 38.4 N 142.2 E1 No tsunami alerts
00:49 JST 15 May 2013 Tochigi-ken Hokubu 10 km 3.6 36.9 N 139.4 E2 No tsunami alerts
00:51 JST 15 May 2013 Tochigi-ken Hokubu 10 km 2.5 36.9 N 139.4 E1 No tsunami alerts
01:40 JST 15 May 2013 Ibaraki-ken Oki 10 km 3.8 35.9 N 141.1 E1 No tsunami alerts
02:46 JST 15 May 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
05:13 JST 15 May 2013 Ibaraki-ken Hokubu 10 km 2.7 36.7 N 140.7 E1 No tsunami alerts
06:21 JST 15 May 2013 Tochigi-ken Nambu 60 km 3.7 36.4 N 140.0 E2 No tsunami alerts
11:44 JST 15 May 2013 Ibaraki-ken Hokubu 10 km 3.6 36.9 N 140.6 E2 No tsunami alerts
11:51 JST 15 May 2013 Ibaraki-ken Hokubu 10 km 3.3 36.9 N 140.6 E1 No tsunami alerts
18:07 JST 15 May 2013 Sagami-wan 120 km 3.7 35.2 N 139.3 E1 No tsunami alerts
18:22 JST 15 May 2013 Ibaraki-ken Hokubu 10 km 3.1 36.9 N 140.6 E1 No tsunami alerts
18:35 JST 15 May 2013 Ibaraki-ken Hokubu 10 km 4.3 36.9 N 140.6 EUnknNo tsunami alerts
22:52 JST 15 May 2013 Chishima-retto 160 km 4.9 45.9 N 151.0 E1 No tsunami alerts
05:27 JST 16 May 2013 Hyogo-ken Nanseibu 10 km 2.3 35.0 N 134.7 E1 No tsunami alerts
07:11 JST 16 May 2013 Tochigi-ken Hokubu 10 km 3.0 36.9 N 139.5 E2 No tsunami alerts
08:33 JST 16 May 2013 Hyogo-ken Nanseibu 10 km 2.3 35.0 N 134.7 E1 No tsunami alerts
08:46 JST 16 May 2013 Iwate-ken Oki 10 km 5.1 40.4 N 141.9 E4 No tsunami alerts
08:49 JST 16 May 2013 Kyoto-fu Nambu 10 km 3.2 35.3 N 135.5 E1 No tsunami alerts
16:12 JST 16 May 2013 Ibaraki-ken Oki 30 km 4.2 36.8 N 141.2 E3 No tsunami alerts
16:40 JST 16 May 2013 Fukushima-ken Oki 50 km 4.1 37.0 N 141.2 E2 No tsunami alerts
23:39 JST 16 May 2013 Miyagi-ken Oki 30 km 3.5 38.9 N 142.4 E1 No tsunami alerts
04:10 JST 17 May 2013 Nemuro-hanto Nanto-oki 50 km 4.0 43.2 N 146.6 E1 No tsunami alerts
04:20 JST 17 May 2013 Tokachi-chiho Chubu 80 km 4.2 42.7 N 143.4 E3 No tsunami alerts
12:48 JST 17 May 2013 Fukushima-ken Oki 50 km 3.8 37.5 N 141.4 E1 No tsunami alerts
15:42 JST 17 May 2013 Iwate-ken Oki 10 km 3.4 40.3 N 141.9 E1 No tsunami alerts
22:34 JST 17 May 2013 Oshima-chiho Tobu 10 km 2.0 42.0 N 140.8 E1 No tsunami alerts
01:01 JST 18 May 2013 Miyagi-ken Oki 60 km 3.6 38.4 N 141.8 E2 No tsunami alerts
02:15 JST 18 May 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E2 No tsunami alerts
03:34 JST 18 May 2013 Miyagi-ken Oki 30 km 3.3 38.6 N 142.0 E1 No tsunami alerts
04:57 JST 18 May 2013 Niijima-Kozushima Kinkai 10 km 2.1 34.4 N 139.3 E1 No tsunami alerts
14:48 JST 18 May 2013 Fukushima-ken Oki 50 km 5.9 37.7 N 141.6 EUnknNo tsunami alerts
14:48 JST 18 May 2013 Fukushima-ken Oki 50 km 5.9 37.7 N 141.6 E5 upper Intensity correction
17:45 JST 18 May 2013 Iwate-ken Oki 50 km 3.1 40.4 N 142.1 E1 No tsunami alerts
18:09 JST 18 May 2013 Miyagi-ken Oki 40 km 4.3 37.8 N 142.0 E2 No tsunami alerts
22:49 JST 18 May 2013 Iwate-ken Engan-hokubu 60 km 3.8 39.8 N 141.8 E2 No tsunami alerts
00:51 JST 19 May 2013 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E3 No tsunami alerts
10:33 JST 19 May 2013 Ibaraki-ken Hokubu 10 km 3.6 36.7 N 140.7 E2 No tsunami alerts
12:57 JST 19 May 2013 Miyagi-ken Oki 40 km 4.1 37.8 N 142.0 E2 No tsunami alerts
01:14 JST 20 May 2013 Wakayama-ken Hokubu 10 km 2.8 34.0 N 135.2 E1 No tsunami alerts
06:25 JST 20 May 2013 Fukushima-ken Oki 40 km 4.0 37.5 N 141.9 E1 No tsunami alerts
07:54 JST 20 May 2013 Nagano-ken Hokubu 10 km 2.4 36.6 N 137.9 E1 No tsunami alerts
10:51 JST 20 May 2013 Iwate-ken Oki 50 km 3.4 39.6 N 142.1 E1 No tsunami alerts
11:32 JST 20 May 2013 Suo-nada 20 km 3.1 34.0 N 131.6 E1 No tsunami alerts
20:34 JST 20 May 2013 Fukushima-ken Hamadori 10 km 2.6 37.3 N 140.7 E1 No tsunami alerts
23:38 JST 20 May 2013 Shiga-ken Nambu 10 km 3.7 34.9 N 135.9 EUnknNo tsunami alerts
02:02 JST 21 May 2013 Miyagi-ken Oki 60 km 3.6 38.3 N 141.9 E1 No tsunami alerts
02:28 JST 21 May 2013 Fukushima-ken Nakadori 10 km 3.6 37.1 N 140.6 E1 No tsunami alerts
03:48 JST 21 May 2013 Fukushima-ken Oki 20 km 4.2 37.2 N 141.6 E2 No tsunami alerts
15:13 JST 21 May 2013 Ishigakijima Kinkai very shallow 4.7 24.9 N 123.5 E1 No tsunami alerts
17:26 JST 21 May 2013 Ishigakijima Kinkai 10 km 5.9 23.2 N 123.8 E2  
19:11 JST 21 May 2013 Hyuga-nada 20 km 3.0 32.5 N 132.0 E1 No tsunami alerts
20:25 JST 21 May 2013 Tochigi-ken Hokubu 10 km 4.5 36.9 N 139.4 E3 No tsunami alerts
21:29 JST 21 May 2013 Tochigi-ken Hokubu very shallow 1.8 36.9 N 139.4 E1 No tsunami alerts
23:52 JST 21 May 2013 Soya Toho-oki 270 km 4.8 45.2 N 142.9 E2 No tsunami alerts
06:09 JST 22 May 2013 Iwate-ken Oki 30 km 4.0 39.1 N 142.4 E1 No tsunami alerts
08:13 JST 22 May 2013 Chiba-ken Toho-oki 20 km 3.3 35.5 N 141.1 E1 No tsunami alerts
08:25 JST 22 May 2013 Chiba-ken Hokuseibu 80 km 3.2 35.5 N 140.2 E1 No tsunami alerts
13:18 JST 22 May 2013 Aomori-ken Sampachi-Kamikita-chiho 90 km 2.9 40.5 N 141.4 E1 No tsunami alerts
20:00 JST 22 May 2013 Yamagata-ken Okitama-chiho 10 km 4.1 37.8 N 140.0 E3 No tsunami alerts
20:06 JST 22 May 2013 Miyagi-ken Oki 50 km 4.3 38.4 N 142.2 E2 No tsunami alerts
23:40 JST 22 May 2013 Chiba-ken Toho-oki 10 km 3.1 35.7 N 141.0 E1 No tsunami alerts
02:21 JST 23 May 2013 Yamagata-ken Okitama-chiho 10 km 3.3 37.8 N 140.0 E1 No tsunami alerts
15:12 JST 23 May 2013 Tochigi-ken Hokubu 10 km 2.4 36.9 N 139.4 E1 No tsunami alerts
16:58 JST 23 May 2013 Fukushima-ken Oki 80 km 3.6 37.1 N 141.2 E1 No tsunami alerts
17:19 JST 23 May 2013 Miyagi-ken Oki 60 km 3.9 38.3 N 141.9 E1 No tsunami alerts
19:47 JST 23 May 2013 Miyagi-ken Oki 40 km 4.4 38.6 N 142.2 E2 No tsunami alerts
22:14 JST 23 May 2013 Fukushima-ken Aizu very shallow 2.2 37.0 N 139.4 E1 No tsunami alerts
23:16 JST 23 May 2013 Fukushima-ken Hamadori 10 km 2.8 37.1 N 140.7 E1 No tsunami alerts
00:44 JST 24 May 2013 Hyuga-nada 20 km 2.7 32.0 N 131.6 E1 No tsunami alerts
01:36 JST 24 May 2013 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
05:34 JST 24 May 2013 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.7 E1 No tsunami alerts
06:28 JST 24 May 2013 Miyagi-ken Oki 50 km 3.1 38.5 N 141.8 E1 No tsunami alerts
08:08 JST 24 May 2013 Kii-suido 20 km 3.5 33.6 N 134.8 E1 No tsunami alerts
09:14 JST 24 May 2013 Tochigi-ken Nambu 70 km 3.6 36.4 N 139.9 E1 No tsunami alerts
09:25 JST 24 May 2013 Ibaraki-ken Oki 30 km 4.1 36.0 N 141.1 E2 No tsunami alerts
14:47 JST 24 May 2013 Seas around Sakhalin 590 km 8.2 54.7 N 153.4 E3 No tsunami alerts
17:33 JST 24 May 2013 Fukushima-ken Oki 40 km 4.8 37.7 N 141.7 EUnknNo tsunami alerts
23:58 JST 24 May 2013 Seas around Sakhalin 590 km 6.5 52.2 N 151.7 E1 No tsunami alerts
08:04 JST 25 May 2013 Iwate-ken Oki 90 km 3.8 40.0 N 142.0 E2 No tsunami alerts
11:11 JST 25 May 2013 Fukushima-ken Oki 60 km 4.3 37.7 N 141.1 E3 No tsunami alerts
11:26 JST 25 May 2013 Fukushima-ken Hamadori 10 km 3.2 37.1 N 140.9 E1 No tsunami alerts
15:58 JST 25 May 2013 Ibaraki-ken Oki 30 km 3.9 36.3 N 141.0 E2 No tsunami alerts
21:42 JST 25 May 2013 Kushiro Oki 80 km 3.6 42.8 N 145.2 E1 No tsunami alerts
21:47 JST 25 May 2013 Hokkaido Nansei-oki 10 km 2.8 41.4 N 140.1 E2 No tsunami alerts
22:42 JST 25 May 2013 Tochigi-ken Nambu 120 km 3.9 36.5 N 139.8 E1 No tsunami alerts
03:19 JST 26 May 2013 Ibaraki-ken Oki 20 km 4.0 36.8 N 141.4 E1 No tsunami alerts
06:17 JST 26 May 2013 Miyakojima Kinkai 30 km 4.7 24.7 N 125.2 E3 No tsunami alerts
09:48 JST 26 May 2013 Miyagi-ken Oki 50 km 3.4 38.5 N 141.8 E2 No tsunami alerts
17:13 JST 26 May 2013 Fukushima-ken Aizu 10 km 2.2 37.0 N 139.4 E1 No tsunami alerts
18:32 JST 26 May 2013 Miyagi-ken Oki 60 km 3.6 38.3 N 141.8 E1 No tsunami alerts
22:16 JST 26 May 2013 Akita-ken Nairiku-nambu 20 km 3.6 39.6 N 140.5 E3 No tsunami alerts
01:49 JST 27 May 2013 Tottori-ken Seibu 10 km 2.6 35.3 N 133.4 E1 No tsunami alerts
14:23 JST 27 May 2013 Miyazaki-ken Nambu-yamazoi 10 km 2.5 31.9 N 131.1 E1 No tsunami alerts
15:48 JST 27 May 2013 Iwate-ken Engan-hokubu 60 km 3.6 39.5 N 141.9 E1 No tsunami alerts
16:18 JST 27 May 2013 Nagasaki-ken Nanseibu 10 km 1.8 32.8 N 129.9 E1 No tsunami alerts
18:16 JST 27 May 2013 Iwate-ken Engan-nambu 100 km 4.2 39.2 N 141.8 E2 No tsunami alerts
22:03 JST 27 May 2013 Oita-ken Chubu very shallow 1.9 33.3 N 131.4 E1 No tsunami alerts
23:16 JST 27 May 2013 Satsuma-hanto Seiho-oki very shallow 3.3 31.9 N 129.4 E1 No tsunami alerts
01:15 JST 28 May 2013 Akita-ken Nairiku-nambu 20 km 2.4 39.6 N 140.5 E1 No tsunami alerts
09:52 JST 28 May 2013 Wakayama-ken Hokubu 10 km 3.6 34.1 N 135.2 E3 No tsunami alerts
01:56 JST 29 May 2013 Akita-ken Nairiku-nambu 10 km 3.0 39.6 N 140.5 E2 No tsunami alerts
02:19 JST 29 May 2013 Rumoi-chiho Nambu 30 km 1.7 44.0 N 141.7 E1 No tsunami alerts
04:24 JST 29 May 2013 Kanto Toho-oki 40 km 5.0 34.1 N 140.9 E1 No tsunami alerts
08:13 JST 29 May 2013 Iwate-ken Engan-nambu 70 km 3.6 39.2 N 141.8 E1 No tsunami alerts
09:49 JST 29 May 2013 Amami-oshima Hokuto-oki 50 km 4.3 29.4 N 130.5 E1 No tsunami alerts
10:05 JST 29 May 2013 Yamagata-ken Okitama-chiho 10 km 2.9 37.8 N 140.0 E1 No tsunami alerts
11:03 JST 29 May 2013 Kagoshima-ken Satsuma-chiho 10 km 2.8 32.0 N 130.4 E1 No tsunami alerts
11:35 JST 29 May 2013 Iwate-ken Oki 10 km 4.1 40.3 N 141.9 E2 No tsunami alerts
12:22 JST 29 May 2013 Kushiro Oki 50 km 3.7 42.9 N 145.5 E2 No tsunami alerts
21:54 JST 29 May 2013 Fukushima-ken Oki 40 km 3.9 36.9 N 141.2 E2 No tsunami alerts
01:07 JST 30 May 2013 Ibaraki-ken Oki 50 km 3.7 36.5 N 140.7 E2 No tsunami alerts
06:48 JST 30 May 2013 Ibaraki-ken Oki 40 km 3.6 36.4 N 141.1 E1 No tsunami alerts
12:04 JST 30 May 2013 Ehime-ken Nan-yo 40 km 3.1 33.4 N 132.4 E1 No tsunami alerts
13:58 JST 30 May 2013 Aomori-ken Toho-oki 50 km 2.9 40.7 N 142.1 E1 No tsunami alerts
23:04 JST 30 May 2013 Oita-ken Chubu 10 km 2.6 33.3 N 131.4 E2 No tsunami alerts
10:46 JST 31 May 2013 Sanriku Oki 10 km 4.7 39.9 N 143.6 E1 No tsunami alerts
14:53 JST 31 May 2013 Ibaraki-ken Hokubu 10 km 3.5 36.8 N 140.7 E2 No tsunami alerts
21:03 JST 31 May 2013 Chiba-ken Toho-oki 30 km 3.3 35.7 N 140.9 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