J1 Earthquake Early Warning
Earthquakes Home | J1 Radio Home Page | REC Networks Home
Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
00:10 JST 01 Mar 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.5 E1 No tsunami alerts
04:50 JST 01 Mar 2013 Fukushima-ken Aizu very shallow 2.4 37.0 N 139.4 E1 No tsunami alerts
06:46 JST 01 Mar 2013 Miyagi-ken Chubu 90 km 3.4 38.3 N 141.0 E1 No tsunami alerts
08:26 JST 01 Mar 2013 Tochigi-ken Hokubu 10 km 3.4 36.9 N 139.4 E2 No tsunami alerts
08:53 JST 01 Mar 2013 Ibaraki-ken Nambu 50 km 3.4 36.1 N 139.9 E2 No tsunami alerts
14:20 JST 01 Mar 2013 Ibaraki-ken Oki 50 km 3.8 36.6 N 140.9 E2 No tsunami alerts
15:08 JST 01 Mar 2013 Fukushima-ken Aizu 10 km 3.1 37.0 N 139.3 E2 No tsunami alerts
21:22 JST 01 Mar 2013 Iwate-ken Oki 40 km 4.0 40.4 N 142.2 E2 No tsunami alerts
01:35 JST 02 Mar 2013 Boso-hanto Nampo-oki 50 km 4.8 34.4 N 140.1 E3 No tsunami alerts
07:45 JST 02 Mar 2013 Tochigi-ken Hokubu 10 km 3.3 36.9 N 139.5 E2 No tsunami alerts
23:25 JST 02 Mar 2013 Wakayama-ken Hokubu 10 km 2.1 34.3 N 135.4 E1 No tsunami alerts
23:35 JST 02 Mar 2013 Okinawa-honto Kinkai 40 km 3.1 27.4 N 128.7 E1 No tsunami alerts
01:25 JST 03 Mar 2013 Tochigi-ken Hokubu 10 km 3.0 36.9 N 139.4 E2 No tsunami alerts
05:58 JST 03 Mar 2013 Miyagi-ken Oki 50 km 4.1 37.9 N 141.9 E1 No tsunami alerts
09:02 JST 03 Mar 2013 Tochigi-ken Hokubu 10 km 3.2 36.9 N 139.4 E2 No tsunami alerts
09:48 JST 03 Mar 2013 Ibaraki-ken Hokubu 10 km 3.2 36.8 N 140.6 E1 No tsunami alerts
15:00 JST 03 Mar 2013 Hiroshima-ken Hokubu 10 km 2.8 35.0 N 132.9 E2 No tsunami alerts
15:54 JST 03 Mar 2013 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.7 E1 No tsunami alerts
16:02 JST 03 Mar 2013 Amami-oshima Kinkai 40 km 3.3 28.3 N 129.5 E1 No tsunami alerts
20:14 JST 03 Mar 2013 Ibaraki-ken Oki 30 km 4.3 35.9 N 141.0 E3 No tsunami alerts
20:24 JST 03 Mar 2013 Ibaraki-ken Oki 30 km 3.5 35.9 N 141.0 E2 No tsunami alerts
01:17 JST 05 Mar 2013 Tokushima-ken Hokubu 10 km 3.1 34.1 N 134.1 E1 No tsunami alerts
05:42 JST 05 Mar 2013 Miyagi-ken Oki 50 km 3.8 38.2 N 141.7 E2 No tsunami alerts
10:41 JST 05 Mar 2013 Miyagi-ken Oki 50 km 3.3 38.5 N 141.7 E1 No tsunami alerts
15:42 JST 05 Mar 2013 Nagano-ken Hokubu 20 km 3.3 36.8 N 138.6 E2 No tsunami alerts
16:50 JST 05 Mar 2013 Kumamoto-ken Amakusa-Ashikita-chiho 10 km 2.3 32.2 N 130.4 E1 No tsunami alerts
19:44 JST 05 Mar 2013 Miyazaki-ken Nambu-yamazoi very shallow 3.0 32.1 N 130.9 E2 No tsunami alerts
01:19 JST 06 Mar 2013 Izu-ohshima Kinkai very shallow 2.2 34.8 N 139.2 E1 No tsunami alerts
05:15 JST 06 Mar 2013 Fukushima-ken Oki 30 km 3.4 37.4 N 141.3 E1 No tsunami alerts
05:32 JST 06 Mar 2013 Okinawa-honto Kinkai 50 km 5.0 27.3 N 128.5 E4 Intensity correction
06:41 JST 06 Mar 2013 Ibaraki-ken Oki 40 km 3.7 36.3 N 140.9 E1 No tsunami alerts
07:15 JST 06 Mar 2013 Ibaraki-ken Oki 50 km 3.6 36.3 N 141.0 E1 No tsunami alerts
00:41 JST 07 Mar 2013 Nagano-ken Nambu 10 km 2.3 36.0 N 137.6 E1 No tsunami alerts
01:10 JST 07 Mar 2013 Fukushima-ken Hamadori 10 km 3.8 36.9 N 140.7 E1 No tsunami alerts
05:43 JST 07 Mar 2013 Fukushima-ken Hamadori 10 km 3.4 37.0 N 140.7 E1 No tsunami alerts
07:04 JST 07 Mar 2013 Ibaraki-ken Oki 20 km 4.2 36.7 N 141.1 E3 No tsunami alerts
18:18 JST 07 Mar 2013 Miyagi-ken Oki 50 km 3.8 38.6 N 141.9 E2 No tsunami alerts
07:19 JST 08 Mar 2013 Tokyo-to Nijusan-ku 40 km 3.5 35.7 N 139.6 E2 No tsunami alerts
07:45 JST 08 Mar 2013 Ibaraki-ken Nambu 70 km 3.0 36.1 N 140.1 E1 No tsunami alerts
13:50 JST 08 Mar 2013 Fukushima-ken Oki 50 km 3.5 36.9 N 141.1 E1 No tsunami alerts
19:53 JST 08 Mar 2013 Saitama-ken Nambu 50 km 3.9 36.0 N 139.5 E2 No tsunami alerts
23:11 JST 08 Mar 2013 Kumamoto-ken Kumamoto-chiho 10 km 2.5 33.0 N 130.9 E1 No tsunami alerts
23:14 JST 08 Mar 2013 Aomori-ken Toho-oki 50 km 4.0 40.6 N 142.2 E2 No tsunami alerts
04:14 JST 09 Mar 2013 Izu-ohshima Kinkai 10 km 2.3 34.6 N 139.3 E1 No tsunami alerts
04:35 JST 09 Mar 2013 Izu-ohshima Kinkai 10 km 3.1 34.6 N 139.3 E2 No tsunami alerts
05:46 JST 09 Mar 2013 Chiba-ken Hokuseibu 80 km 3.2 35.7 N 140.2 E1 No tsunami alerts
11:26 JST 09 Mar 2013 Miyagi-ken Oki 30 km 3.5 38.8 N 142.5 E1 No tsunami alerts
21:16 JST 09 Mar 2013 Kushiro-chiho Chunambu 100 km 4.8 43.2 N 144.8 E3 No tsunami alerts
05:11 JST 10 Mar 2013 Kushiro Oki 50 km 5.1 42.7 N 145.0 E3 No tsunami alerts
08:45 JST 10 Mar 2013 Tochigi-ken Hokubu 10 km 2.6 36.8 N 139.4 E2 No tsunami alerts
10:01 JST 10 Mar 2013 Tochigi-ken Hokubu 10 km 3.3 36.9 N 139.5 E1 No tsunami alerts
10:19 JST 10 Mar 2013 Tokachi Oki 10 km 4.5 41.0 N 143.9 E1 No tsunami alerts
14:12 JST 10 Mar 2013 Ibaraki-ken Hokubu very shallow 3.1 36.8 N 140.6 E2 No tsunami alerts
16:10 JST 10 Mar 2013 Kii-suido 10 km 3.0 34.2 N 135.1 E1 No tsunami alerts
20:43 JST 10 Mar 2013 Nemuro-hanto Nanto-oki 50 km 3.5 43.0 N 145.5 E1 No tsunami alerts
22:39 JST 10 Mar 2013 Niigata-ken Chuetsu-chiho 10 km 3.4 36.8 N 138.7 E1 No tsunami alerts
23:29 JST 10 Mar 2013 Niigata-ken Chuetsu-chiho 20 km 3.3 36.8 N 138.7 E1 No tsunami alerts
23:56 JST 10 Mar 2013 Niigata-ken Chuetsu-chiho 10 km 3.1 36.8 N 138.7 E1 No tsunami alerts
05:26 JST 11 Mar 2013 Nagano-ken Chubu 10 km 2.6 36.4 N 138.0 E1 No tsunami alerts
11:33 JST 11 Mar 2013 Tochigi-ken Hokubu 10 km 2.3 36.8 N 139.4 E2 No tsunami alerts
14:35 JST 11 Mar 2013 Satsuma-hanto Seiho-oki 160 km 4.7 31.1 N 130.4 E3 No tsunami alerts
16:03 JST 11 Mar 2013 Fukushima-ken Oki 50 km 3.5 36.9 N 141.3 E1 No tsunami alerts
17:10 JST 11 Mar 2013 Chiba-ken Toho-oki 10 km 4.4 35.8 N 141.1 E2 No tsunami alerts
18:34 JST 11 Mar 2013 Hyuga-nada 20 km 5.2 31.6 N 131.9 E3 No tsunami alerts
18:34 JST 11 Mar 2013 Hyuga-nada 20 km 5.2 31.6 N 131.9 E3 Intensity correction
18:59 JST 11 Mar 2013 Hyuga-nada 30 km 4.5 31.6 N 131.9 E2 No tsunami alerts
02:30 JST 12 Mar 2013 Ibaraki-ken Hokubu 10 km 3.5 36.8 N 140.6 E2 No tsunami alerts
20:44 JST 12 Mar 2013 Ibaraki-ken Nambu 50 km 2.9 36.1 N 140.1 E1 No tsunami alerts
23:39 JST 12 Mar 2013 Tokushima-ken Nambu 10 km 3.2 33.9 N 134.5 E2 No tsunami alerts
00:28 JST 13 Mar 2013 Nagano-ken Hokubu 20 km 2.5 36.8 N 138.3 E2 No tsunami alerts
04:22 JST 13 Mar 2013 Fukushima-ken Aizu 10 km 3.2 37.0 N 139.4 E1 No tsunami alerts
06:32 JST 13 Mar 2013 Iwate-ken Oki 50 km 5.0 39.3 N 142.1 E3 No tsunami alerts
10:00 JST 13 Mar 2013 Niijima-Kozushima Kinkai 10 km 2.9 34.3 N 139.2 E1 No tsunami alerts
10:53 JST 13 Mar 2013 Hyuga-nada 20 km 3.7 32.4 N 132.2 E2 No tsunami alerts
14:32 JST 13 Mar 2013 Miyagi-ken Hokubu 10 km 3.1 38.9 N 140.9 E2 No tsunami alerts
21:50 JST 13 Mar 2013 Ibaraki-ken Nambu 50 km 3.4 36.1 N 139.9 E2 No tsunami alerts
23:06 JST 13 Mar 2013 Miyagi-ken Oki 50 km 3.3 38.9 N 142.0 E1 No tsunami alerts
01:30 JST 14 Mar 2013 Miyagi-ken Oki 50 km 3.7 38.8 N 142.0 E1 No tsunami alerts
03:18 JST 14 Mar 2013 Tochigi-ken Hokubu 10 km 2.2 36.9 N 139.4 E1 No tsunami alerts
05:03 JST 14 Mar 2013 Chiba-ken Hokuseibu 80 km 4.6 35.6 N 140.2 E2 No tsunami alerts
06:40 JST 14 Mar 2013 Chiba-ken Hokutobu 40 km 2.4 35.5 N 140.4 E1 No tsunami alerts
09:22 JST 15 Mar 2013 Ibaraki-ken Hokubu 10 km 2.6 36.7 N 140.6 E1 No tsunami alerts
23:07 JST 15 Mar 2013 Aomori-ken Tsugaru-hokubu 10 km 2.3 40.7 N 140.5 E1 No tsunami alerts
01:49 JST 16 Mar 2013 Torishima Kinkai 410 km 5.2 30.9 N 138.8 E1 No tsunami alerts
08:11 JST 16 Mar 2013 Iwate-ken Oki 50 km 4.3 39.7 N 142.1 E3 No tsunami alerts
12:28 JST 16 Mar 2013 Wakayama-ken Hokubu 10 km 2.5 34.2 N 135.2 E1 No tsunami alerts
15:06 JST 16 Mar 2013 Seto-naikai Chubu 10 km 2.8 34.2 N 133.1 E2 No tsunami alerts
00:19 JST 17 Mar 2013 Akita-ken Nairiku-hokubu 10 km 3.2 40.1 N 140.5 E2 No tsunami alerts
02:25 JST 17 Mar 2013 Ibaraki-ken Oki 10 km 4.8 36.3 N 141.8 E2 No tsunami alerts
06:59 JST 17 Mar 2013 Ibaraki-ken Oki 90 km 3.6 36.7 N 140.9 E1 No tsunami alerts
12:32 JST 17 Mar 2013 Seto-naikai Chubu 20 km 3.8 34.3 N 133.1 E2 No tsunami alerts
13:33 JST 17 Mar 2013 Miyagi-ken Oki 60 km 4.0 38.4 N 141.9 E2 No tsunami alerts
00:22 JST 18 Mar 2013 Wakayama-ken Hokubu 70 km 3.9 34.1 N 135.5 E2 No tsunami alerts
06:53 JST 18 Mar 2013 Ibaraki-ken Hokubu 60 km 4.5 36.5 N 140.6 E4 No tsunami alerts
10:27 JST 18 Mar 2013 Ibaraki-ken Oki 50 km 3.3 36.4 N 141.0 E1 No tsunami alerts
15:28 JST 18 Mar 2013 Iwate-ken Nairiku-nambu 10 km 3.4 39.4 N 141.4 E2 No tsunami alerts
02:49 JST 19 Mar 2013 Iwate-ken Oki 30 km 4.3 39.0 N 142.5 E1 No tsunami alerts
18:09 JST 19 Mar 2013 Iwate-ken Oki 50 km 3.4 39.1 N 142.1 E1 No tsunami alerts
20:06 JST 19 Mar 2013 Iwate-ken Oki 40 km 3.8 40.3 N 142.3 E1 No tsunami alerts
23:21 JST 19 Mar 2013 Ibaraki-ken Hokubu 10 km 2.5 36.7 N 140.7 E1 No tsunami alerts
03:47 JST 20 Mar 2013 Fukushima-ken Oki 20 km 3.7 37.3 N 141.2 E2 No tsunami alerts
09:36 JST 20 Mar 2013 Fukushima-ken Hamadori 20 km 3.1 37.1 N 140.7 E1 No tsunami alerts
02:14 JST 21 Mar 2013 Wakayama-ken Hokubu very shallow 2.6 34.2 N 135.2 E1 No tsunami alerts
04:24 JST 21 Mar 2013 Gifu-ken Mino-tobu 10 km 3.5 35.4 N 137.6 E2 No tsunami alerts
11:13 JST 21 Mar 2013 Fukushima-ken Oki 20 km 4.0 37.0 N 141.4 E1 No tsunami alerts
14:34 JST 21 Mar 2013 Ibaraki-ken Hokubu 70 km 4.7 36.8 N 140.4 E3 No tsunami alerts
17:19 JST 21 Mar 2013 Fukushima-ken Oki 50 km 4.0 37.1 N 141.4 E2 No tsunami alerts
18:27 JST 21 Mar 2013 Hachijojima Kinkai 10 km 3.6 33.3 N 139.5 E1 No tsunami alerts
19:41 JST 21 Mar 2013 Kumamoto-ken Kumamoto-chiho 10 km 3.1 32.4 N 130.7 E2 No tsunami alerts
20:29 JST 21 Mar 2013 Nagano-ken Hokubu 10 km 2.0 36.8 N 138.4 E1 No tsunami alerts
23:34 JST 21 Mar 2013 Ibaraki-ken Hokubu 50 km 3.3 36.5 N 140.6 E1 No tsunami alerts
06:22 JST 22 Mar 2013 Nara-ken 10 km 2.9 34.4 N 135.9 E2 No tsunami alerts
07:20 JST 22 Mar 2013 Fukushima-ken Oki 40 km 4.3 37.6 N 141.6 E2 No tsunami alerts
08:52 JST 22 Mar 2013 Amami-oshima Kinkai 30 km 3.3 28.3 N 129.5 E1 No tsunami alerts
01:34 JST 23 Mar 2013 Wakayama-ken Hokubu 10 km 3.1 34.1 N 135.2 E2 No tsunami alerts
03:24 JST 23 Mar 2013 Wakayama-ken Hokubu 10 km 2.8 34.1 N 135.2 E1 No tsunami alerts
05:20 JST 23 Mar 2013 Wakayama-ken Hokubu 10 km 2.6 34.2 N 135.2 E1 No tsunami alerts
07:38 JST 24 Mar 2013 Wakayama-ken Hokubu 10 km 2.5 34.0 N 135.3 E1 No tsunami alerts
11:54 JST 24 Mar 2013 Fukushima-ken Oki 20 km 4.1 37.6 N 141.7 E1 No tsunami alerts
15:06 JST 24 Mar 2013 Tochigi-ken Hokubu very shallow 3.0 36.9 N 139.4 E2 No tsunami alerts
22:58 JST 24 Mar 2013 Miyagi-ken Oki 50 km 3.3 38.3 N 141.9 E1 No tsunami alerts
03:11 JST 25 Mar 2013 Saitama-ken Nambu 100 km 3.4 35.9 N 139.5 E1 No tsunami alerts
08:05 JST 25 Mar 2013 Hyuga-nada 30 km 3.7 32.5 N 132.1 E1 No tsunami alerts
15:32 JST 25 Mar 2013 Miyazaki-ken Nambu-yamazoi 10 km 2.6 31.9 N 131.1 E1 No tsunami alerts
19:47 JST 25 Mar 2013 Okayama-ken Nambu 20 km 2.6 34.6 N 133.4 E1 No tsunami alerts
02:51 JST 26 Mar 2013 Nara-ken 10 km 2.6 34.4 N 135.9 E2 No tsunami alerts
03:20 JST 26 Mar 2013 Kyoto-fu Nambu 10 km 2.2 35.0 N 135.6 E1 No tsunami alerts
09:33 JST 26 Mar 2013 Iwate-ken Oki 30 km 4.1 39.9 N 142.4 E1 No tsunami alerts
09:45 JST 26 Mar 2013 Akita-ken Nairiku-hokubu 10 km 2.8 40.1 N 140.6 E1 No tsunami alerts
19:15 JST 26 Mar 2013 Nagano-ken Hokubu 10 km 2.4 36.9 N 138.6 E2 No tsunami alerts
20:48 JST 26 Mar 2013 Ibaraki-ken Oki 10 km 4.8 35.9 N 141.0 E3 No tsunami alerts
20:55 JST 26 Mar 2013 Ibaraki-ken Oki 10 km 4.6 35.9 N 141.0 E3 No tsunami alerts
05:24 JST 27 Mar 2013 Akita-ken Nairiku-hokubu 10 km 2.9 40.1 N 140.6 E1 No tsunami alerts
06:23 JST 27 Mar 2013 Kochi-ken Tobu 40 km 3.6 33.7 N 134.0 E2 No tsunami alerts
10:26 JST 27 Mar 2013 Soya Toho-oki 290 km 4.8 45.4 N 142.7 E1 No tsunami alerts
20:53 JST 27 Mar 2013 Miyakejima Kinkai very shallow 2.0 34.1 N 139.5 E1 No tsunami alerts
20:54 JST 27 Mar 2013 Tanegashima Kinkai 40 km 3.3 30.6 N 131.3 E1 No tsunami alerts
21:01 JST 27 Mar 2013 Miyagi-ken Oki 40 km 3.7 38.3 N 141.8 E1 No tsunami alerts
21:21 JST 27 Mar 2013 Fukushima-ken Hamadori 10 km 3.3 37.1 N 140.8 E1 No tsunami alerts
14:12 JST 28 Mar 2013 Ibaraki-ken Oki 10 km 3.6 35.9 N 141.0 E1 No tsunami alerts
18:39 JST 28 Mar 2013 Hidaka-chiho Seibu 120 km 3.5 42.8 N 142.7 E1 No tsunami alerts
19:16 JST 28 Mar 2013 Hyuga-nada 40 km 4.2 32.8 N 132.1 E3 No tsunami alerts
21:14 JST 28 Mar 2013 Wakayama-ken Hokubu 10 km 3.0 34.2 N 135.3 E1 No tsunami alerts
00:48 JST 29 Mar 2013 Chiba-ken Toho-oki 10 km 4.2 35.7 N 141.0 E3 No tsunami alerts
01:59 JST 29 Mar 2013 Okinawa-honto Kinkai 20 km 2.7 26.3 N 127.7 E1 No tsunami alerts
20:15 JST 29 Mar 2013 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E1 No tsunami alerts
01:45 JST 30 Mar 2013 Iwate-ken Oki 50 km 3.3 39.1 N 142.2 E1 No tsunami alerts
04:43 JST 30 Mar 2013 Wakayama-ken Nambu 30 km 2.9 33.7 N 135.7 E1 No tsunami alerts
08:38 JST 30 Mar 2013 Mikawa-wan 10 km 2.7 34.7 N 137.1 E1 No tsunami alerts
13:22 JST 30 Mar 2013 Iwate-ken Oki 50 km 4.0 39.1 N 142.2 E2 No tsunami alerts
20:29 JST 30 Mar 2013 Iwate-ken Engan-hokubu 60 km 3.2 39.8 N 141.9 E1 No tsunami alerts
00:47 JST 31 Mar 2013 Nagano-ken Hokubu 20 km 2.0 36.8 N 138.3 E1 No tsunami alerts
03:57 JST 31 Mar 2013 Ibaraki-ken Oki 20 km 4.0 36.6 N 141.2 E2 No tsunami alerts
05:32 JST 31 Mar 2013 Fukushima-ken Nakadori very shallow 2.6 37.1 N 140.5 E1 No tsunami alerts
07:53 JST 31 Mar 2013 Fukuoka-ken Hokusei-oki 20 km 2.9 33.7 N 130.3 E1 No tsunami alerts
12:30 JST 31 Mar 2013 Ibaraki-ken Nambu 80 km 3.4 36.1 N 140.1 E1 No tsunami alerts
14:48 JST 31 Mar 2013 Miyagi-ken Oki 30 km 3.8 38.4 N 142.2 E1 No tsunami alerts
15:16 JST 31 Mar 2013 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.4 E1 No tsunami alerts
16:46 JST 31 Mar 2013 Miyagi-ken Oki 50 km 5.3 38.9 N 142.1 E4 No tsunami alerts
18:42 JST 31 Mar 2013 Ibaraki-ken Oki 50 km 3.6 36.7 N 141.1 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