J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
05:22 JST 01 Mar 2014 Ibaraki-ken Nambu 50 km 3.6 36.3 N 140.1 E2 No tsunami alerts
07:40 JST 01 Mar 2014 Ibaraki-ken Oki 10 km 3.7 36.6 N 141.0 E1 No tsunami alerts
15:04 JST 01 Mar 2014 Rumoi-chiho Chuhokubu 250 km 4.5 44.7 N 142.0 E1 No tsunami alerts
19:32 JST 01 Mar 2014 Kochi-ken Chubu 40 km 3.2 33.6 N 133.1 E1 No tsunami alerts
23:53 JST 01 Mar 2014 Iriomotejima Fukin 20 km 3.4 24.2 N 123.8 E1 No tsunami alerts
23:58 JST 01 Mar 2014 Iwate-ken Oki 50 km 4.1 39.9 N 142.1 E2 No tsunami alerts
15:14 JST 02 Mar 2014 Fukushima-ken Oki 30 km 4.0 37.1 N 141.2 E2 No tsunami alerts
05:11 JST 03 Mar 2014 Okinawa-honto Hokusei-oki 120 km 6.6 27.4 N 127.4 E4 No tsunami alerts
05:11 JST 03 Mar 2014 Okinawa-honto Hokusei-oki 120 km 6.6 27.4 N 127.4 E4 Intensity correction
11:27 JST 03 Mar 2014 Okinawa-honto Kinkai 60 km 5.0 26.4 N 127.4 E3 No tsunami alerts
16:12 JST 03 Mar 2014 Ibaraki-ken Hokubu 50 km 3.3 36.4 N 140.6 E1 No tsunami alerts
19:30 JST 03 Mar 2014 Miyagi-ken Oki 40 km 4.1 38.7 N 142.3 E1 No tsunami alerts
21:21 JST 03 Mar 2014 Miyagi-ken Oki 50 km 3.6 38.6 N 141.9 E1 No tsunami alerts
21:50 JST 03 Mar 2014 Miyagi-ken Oki 30 km 3.9 38.9 N 142.4 E1 No tsunami alerts
00:56 JST 04 Mar 2014 Akita-ken Nairiku-hokubu 10 km 2.6 40.1 N 140.6 E1 No tsunami alerts
04:53 JST 04 Mar 2014 Nagano-ken Nambu very shallow 2.9 36.0 N 137.6 E1 No tsunami alerts
05:28 JST 04 Mar 2014 Aomori-ken Sampachi-Kamikita-chiho 90 km 3.9 40.8 N 141.2 E2 No tsunami alerts
07:33 JST 04 Mar 2014 Fukushima-ken Nakadori 10 km 3.0 37.1 N 140.6 E1 No tsunami alerts
10:26 JST 04 Mar 2014 Fukushima-ken Hamadori 10 km 3.5 37.0 N 140.6 E1 No tsunami alerts
13:39 JST 04 Mar 2014 Miyagi-ken Hokubu 60 km 3.1 38.9 N 141.6 E1 No tsunami alerts
02:30 JST 05 Mar 2014 Iwate-ken Engan-hokubu 30 km 4.0 39.7 N 141.9 E2 No tsunami alerts
09:08 JST 05 Mar 2014 Iwate-ken Oki 30 km 3.8 39.2 N 142.4 E1 No tsunami alerts
08:58 JST 06 Mar 2014 Wakayama-ken Nambu 20 km 2.7 33.8 N 135.6 E1 No tsunami alerts
14:53 JST 06 Mar 2014 Ibaraki-ken Oki 40 km 4.1 36.6 N 141.0 E2 No tsunami alerts
18:36 JST 06 Mar 2014 Kanagawa-ken Tobu 20 km 2.1 35.4 N 139.4 E1 No tsunami alerts
10:49 JST 07 Mar 2014 Yamanashi-ken Tobu-Fujigoko 20 km 2.8 35.5 N 139.0 E2 No tsunami alerts
12:32 JST 07 Mar 2014 Shiga-ken Nambu 10 km 2.4 34.9 N 136.1 E1 No tsunami alerts
13:23 JST 07 Mar 2014 Miyagi-ken Oki 50 km 3.5 38.5 N 141.8 E1 No tsunami alerts
21:27 JST 07 Mar 2014 Wakayama-ken Hokubu 10 km 2.5 34.0 N 135.2 E1 No tsunami alerts
03:34 JST 08 Mar 2014 Chiba-ken Toho-oki 60 km 4.5 35.7 N 140.8 E2 No tsunami alerts
06:34 JST 08 Mar 2014 Chiba-ken Toho-oki 60 km 3.1 35.7 N 140.8 E1 No tsunami alerts
17:09 JST 08 Mar 2014 Miyagi-ken Oki 50 km 3.3 38.5 N 141.7 E1 No tsunami alerts
06:07 JST 09 Mar 2014 Ibaraki-ken Oki 40 km 3.9 36.3 N 141.1 E2 No tsunami alerts
10:23 JST 09 Mar 2014 Miyagi-ken Oki 60 km 3.4 38.8 N 141.6 E1 No tsunami alerts
18:09 JST 09 Mar 2014 Fukushima-ken Hamadori 10 km 3.6 37.0 N 140.6 E2 No tsunami alerts
00:13 JST 10 Mar 2014 Nemuro-hanto Nanto-oki 90 km 4.6 43.3 N 145.8 E3 No tsunami alerts
15:53 JST 10 Mar 2014 Miyagi-ken Oki 40 km 4.2 38.7 N 142.3 E2 No tsunami alerts
23:13 JST 10 Mar 2014 Amami-oshima Hokuto-oki 20 km 4.5 29.2 N 130.6 E1 No tsunami alerts
00:12 JST 11 Mar 2014 Okinawa-honto Kinkai 30 km 3.0 27.4 N 128.9 E1 No tsunami alerts
01:22 JST 11 Mar 2014 Nagano-ken Hokubu 10 km 2.0 36.5 N 137.9 E1 No tsunami alerts
13:31 JST 11 Mar 2014 Wakayama-ken Hokubu 10 km 2.0 34.3 N 135.5 E1 No tsunami alerts
14:24 JST 11 Mar 2014 Nemuro-chiho Hokubu 150 km 3.8 43.7 N 145.1 E1 No tsunami alerts
05:04 JST 12 Mar 2014 Chiba-ken Hokuseibu 90 km 4.4 35.8 N 140.1 E3 No tsunami alerts
16:35 JST 12 Mar 2014 Gumma-ken Nambu 10 km 2.5 36.5 N 139.4 E1 No tsunami alerts
07:36 JST 13 Mar 2014 Osumi-hanto Toho-oki 40 km 3.6 31.1 N 131.5 E1 No tsunami alerts
13:35 JST 13 Mar 2014 Tachibana-wan 10 km 2.8 32.6 N 130.0 E2 No tsunami alerts
18:24 JST 13 Mar 2014 Chiba-ken Hokuseibu 80 km 3.2 35.6 N 140.2 E1 No tsunami alerts
22:47 JST 13 Mar 2014 Ibaraki-ken Hokubu 80 km 3.5 36.8 N 140.7 E1 No tsunami alerts
02:07 JST 14 Mar 2014 Iyo-nada 80 km 6.1 33.7 N 131.9 E5 upper No tsunami alerts
02:07 JST 14 Mar 2014 Iyo-nada 80 km 6.1 33.7 N 131.9 E5 upper Intensity correction
03:23 JST 14 Mar 2014 Kii-suido very shallow 2.1 34.1 N 135.1 E1 No tsunami alerts
03:47 JST 14 Mar 2014 Aki-nada 50 km 3.8 33.8 N 132.5 E2 No tsunami alerts
04:41 JST 14 Mar 2014 Miyagi-ken Oki 70 km 4.2 38.2 N 141.9 E2 No tsunami alerts
05:06 JST 14 Mar 2014 Iwate-ken Oki 30 km 3.9 39.1 N 142.4 E1 No tsunami alerts
11:11 JST 14 Mar 2014 Ibaraki-ken Hokubu 60 km 3.4 36.5 N 140.6 E1 No tsunami alerts
17:29 JST 14 Mar 2014 Kanagawa-ken Tobu 40 km 2.6 35.5 N 139.6 E1 No tsunami alerts
21:34 JST 14 Mar 2014 Hachijojima Kinkai very shallow 2.0 33.1 N 139.8 E1 No tsunami alerts
23:54 JST 14 Mar 2014 Tochigi-ken Hokubu 10 km 2.9 36.9 N 139.4 E1 No tsunami alerts
05:58 JST 15 Mar 2014 Fukui-ken Reinan very shallow 2.7 35.4 N 135.7 E1 No tsunami alerts
08:35 JST 15 Mar 2014 Ibaraki-ken Hokubu 10 km 3.4 36.7 N 140.6 E2 No tsunami alerts
13:14 JST 15 Mar 2014 Ibaraki-ken Hokubu 10 km 2.4 36.6 N 140.6 E1 No tsunami alerts
20:45 JST 15 Mar 2014 Nara-ken 10 km 2.7 34.4 N 135.9 E1 No tsunami alerts
07:23 JST 16 Mar 2014 Chiba-ken Toho-oki 10 km 3.6 35.8 N 141.0 E1 No tsunami alerts
09:05 JST 16 Mar 2014 Chiba-ken Toho-oki 60 km 4.3 35.7 N 140.8 E2 No tsunami alerts
14:22 JST 16 Mar 2014 Niijima-Kozushima Kinkai 10 km 2.7 34.2 N 139.1 E1 No tsunami alerts
18:38 JST 16 Mar 2014 Fukushima-ken Oki 30 km 3.7 37.6 N 141.8 E1 No tsunami alerts
18:59 JST 16 Mar 2014 Iriomotejima Fukin 20 km 3.8 24.3 N 123.6 E1 No tsunami alerts
21:43 JST 16 Mar 2014 Iriomotejima Fukin 10 km 2.7 24.3 N 123.6 E1 No tsunami alerts
07:12 JST 17 Mar 2014 Ibaraki-ken Oki 30 km 3.2 36.2 N 141.1 E1 No tsunami alerts
09:11 JST 17 Mar 2014 Urakawa Oki 60 km 3.6 42.0 N 142.6 E1 No tsunami alerts
14:00 JST 17 Mar 2014 Tokyo-wan 30 km 2.7 35.5 N 139.9 E1 No tsunami alerts
18:03 JST 17 Mar 2014 Fukushima-ken Oki 20 km 5.1 36.9 N 141.4 E3 No tsunami alerts
18:47 JST 17 Mar 2014 Hokkaido Nansei-oki 10 km 3.9 41.9 N 139.5 E1 No tsunami alerts
22:10 JST 17 Mar 2014 Iriomotejima Fukin 10 km 2.9 24.3 N 123.6 E1 No tsunami alerts
22:13 JST 17 Mar 2014 Yonagunijima Kinkai 10 km 5.4 23.9 N 122.4 E2 No tsunami alerts
10:32 JST 18 Mar 2014 Ibaraki-ken Nambu 10 km 2.7 36.0 N 140.1 E1 No tsunami alerts
10:49 JST 18 Mar 2014 Fukushima-ken Oki 30 km 3.9 37.4 N 141.4 E2 No tsunami alerts
11:34 JST 18 Mar 2014 Iwate-ken Engan-hokubu 60 km 3.9 39.8 N 141.8 E2 No tsunami alerts
16:51 JST 18 Mar 2014 Tokara-retto Kinkai very shallow 2.9 30.0 N 130.1 E1 No tsunami alerts
21:24 JST 18 Mar 2014 Shizuoka-ken Seibu 40 km 3.3 34.9 N 137.8 E1 No tsunami alerts
02:24 JST 19 Mar 2014 Chiba-ken Hokuseibu 80 km 4.0 35.8 N 140.1 E2 No tsunami alerts
04:24 JST 19 Mar 2014 Ishigakijima Kinkai 70 km 4.3 24.8 N 124.0 E2 No tsunami alerts
06:00 JST 19 Mar 2014 Osumi-hanto Toho-oki 60 km 3.6 31.4 N 131.1 E2 No tsunami alerts
07:23 JST 19 Mar 2014 Fukushima-ken Oki 30 km 4.3 36.9 N 141.5 E2 No tsunami alerts
11:38 JST 19 Mar 2014 Fukushima-ken Oki 30 km 3.3 37.3 N 141.3 E2 No tsunami alerts
14:16 JST 19 Mar 2014 Kii-suido 10 km 2.8 34.1 N 135.1 E1 No tsunami alerts
16:04 JST 19 Mar 2014 Fukushima-ken Oki 10 km 3.2 37.1 N 141.0 E1 No tsunami alerts
21:19 JST 19 Mar 2014 Taiwan and its Vicinity 30 km 6.0 24.0 N 122.3 E2 No tsunami alerts
00:48 JST 20 Mar 2014 Iwate-ken Engan-hokubu 60 km 4.0 39.8 N 141.8 E2 No tsunami alerts
06:05 JST 20 Mar 2014 Ibaraki-ken Hokubu 60 km 3.6 36.5 N 140.6 E1 No tsunami alerts
17:16 JST 20 Mar 2014 Fukushima-ken Oki 30 km 4.2 37.6 N 142.0 E1 No tsunami alerts
18:18 JST 20 Mar 2014 Miyagi-ken Oki 50 km 4.0 38.5 N 142.0 E2 No tsunami alerts
03:42 JST 21 Mar 2014 Chiba-ken Toho-oki 40 km 3.5 35.7 N 140.9 E1 No tsunami alerts
06:36 JST 21 Mar 2014 Chiba-ken Toho-oki 20 km 3.6 35.8 N 141.2 E1 No tsunami alerts
11:44 JST 21 Mar 2014 Ibaraki-ken Hokubu 10 km 2.6 36.7 N 140.7 E1 No tsunami alerts
15:23 JST 21 Mar 2014 Okinawa-honto Kinkai 30 km 4.1 26.8 N 128.4 E2 No tsunami alerts
21:28 JST 21 Mar 2014 Ibaraki-ken Hokubu 10 km 2.4 36.7 N 140.6 E1 No tsunami alerts
03:33 JST 22 Mar 2014 Ibaraki-ken Oki 10 km 4.4 36.0 N 141.3 E2 No tsunami alerts
07:03 JST 22 Mar 2014 Fukushima-ken Oki 20 km 3.6 36.9 N 141.5 E1 No tsunami alerts
14:05 JST 22 Mar 2014 Kii-suido very shallow 3.9 34.1 N 135.1 E3 No tsunami alerts
14:20 JST 22 Mar 2014 Miyakejima Kinkai 10 km 2.6 34.1 N 139.5 E2 No tsunami alerts
15:18 JST 22 Mar 2014 Fukushima-ken Oki 40 km 3.5 37.4 N 141.6 E1 No tsunami alerts
16:25 JST 22 Mar 2014 Kagoshima-ken Satsuma-chiho 160 km 4.1 31.3 N 130.4 E1 No tsunami alerts
16:49 JST 22 Mar 2014 Iwate-ken Oki 40 km 3.5 40.4 N 142.3 E1 No tsunami alerts
20:05 JST 22 Mar 2014 Iyo-nada 80 km 4.2 33.7 N 131.9 E3 No tsunami alerts
23:19 JST 22 Mar 2014 Torishima Kinkai 430 km 5.3 29.4 N 139.9 E2 No tsunami alerts
23:38 JST 22 Mar 2014 Kagoshima-ken Satsuma-chiho very shallow 2.5 31.3 N 130.5 E2 No tsunami alerts
00:34 JST 23 Mar 2014 Fukushima-ken Oki 30 km 3.8 36.9 N 141.5 E1 No tsunami alerts
04:08 JST 23 Mar 2014 Ise-wan 10 km 2.6 34.9 N 136.7 E1 No tsunami alerts
04:41 JST 23 Mar 2014 Miyagi-ken Oki 20 km 3.9 38.2 N 141.8 E2 No tsunami alerts
14:26 JST 23 Mar 2014 Miyagi-ken Hokubu 100 km 3.6 38.8 N 141.5 E1 No tsunami alerts
15:41 JST 24 Mar 2014 Aomori-ken Toho-oki 10 km 4.1 41.0 N 142.7 E1 No tsunami alerts
19:17 JST 24 Mar 2014 Ibaraki-ken Nambu 50 km 3.5 36.1 N 139.9 E2 No tsunami alerts
19:49 JST 24 Mar 2014 Fukushima-ken Oki 40 km 3.8 37.5 N 141.8 E1 No tsunami alerts
21:48 JST 24 Mar 2014 Fukushima-ken Aizu 10 km 3.2 37.7 N 140.0 E2 No tsunami alerts
00:27 JST 25 Mar 2014 Ibaraki-ken Nambu 20 km 2.6 36.0 N 140.1 E1 No tsunami alerts
02:04 JST 25 Mar 2014 Kumamoto-ken Kumamoto-chiho very shallow 1.8 32.6 N 130.7 E1 No tsunami alerts
06:23 JST 25 Mar 2014 Shiga-ken Hokubu 10 km 3.0 35.4 N 135.9 E2 No tsunami alerts
09:08 JST 25 Mar 2014 Iwate-ken Oki 70 km 3.3 40.1 N 141.9 E1 No tsunami alerts
09:56 JST 25 Mar 2014 Miyagi-ken Oki 50 km 3.9 38.4 N 141.9 E2 No tsunami alerts
10:31 JST 25 Mar 2014 Miyagi-ken Oki 60 km 3.9 38.5 N 141.9 E1 No tsunami alerts
10:50 JST 25 Mar 2014 Chiba-ken Toho-oki 10 km 3.9 35.8 N 141.0 E1 No tsunami alerts
12:07 JST 25 Mar 2014 Kii-suido very shallow 1.8 33.9 N 134.7 E1 No tsunami alerts
12:54 JST 25 Mar 2014 Fukushima-ken Oki 30 km 3.3 37.3 N 141.2 E1 No tsunami alerts
16:09 JST 25 Mar 2014 Chiba-ken Toho-oki 10 km 3.8 35.8 N 141.0 E1 No tsunami alerts
23:43 JST 25 Mar 2014 Hyuga-nada 30 km 3.8 32.0 N 131.6 E2 No tsunami alerts
02:19 JST 26 Mar 2014 Okinawa-honto Kinkai 50 km 3.2 26.3 N 127.3 E1 No tsunami alerts
02:21 JST 26 Mar 2014 Ibaraki-ken Oki 40 km 3.8 36.4 N 141.1 E1 No tsunami alerts
04:08 JST 26 Mar 2014 Iwate-ken Oki 50 km 3.5 39.6 N 142.1 E1 No tsunami alerts
04:54 JST 26 Mar 2014 Fukushima-ken Oki 40 km 4.3 37.2 N 141.5 E2 No tsunami alerts
17:50 JST 26 Mar 2014 Satsunan-shoto Toho-oki 10 km 5.4 28.1 N 131.7 E3 No tsunami alerts
04:29 JST 27 Mar 2014 Shizuoka-ken Tobu 10 km 2.6 35.4 N 138.6 E1 No tsunami alerts
12:24 JST 27 Mar 2014 Miyagi-ken Oki 50 km 3.8 38.2 N 141.7 E1 No tsunami alerts
14:20 JST 27 Mar 2014 Ibaraki-ken Hokubu 10 km 3.8 36.8 N 140.6 E2 No tsunami alerts
15:50 JST 27 Mar 2014 Ibaraki-ken Hokubu 10 km 3.2 36.8 N 140.6 E1 No tsunami alerts
16:42 JST 27 Mar 2014 Ibaraki-ken Hokubu 10 km 3.3 36.8 N 140.6 E1 No tsunami alerts
17:19 JST 27 Mar 2014 Iwate-ken Oki 30 km 3.8 39.2 N 142.5 E1 No tsunami alerts
03:18 JST 28 Mar 2014 Hidaka-chiho Seibu 30 km 4.1 42.8 N 142.7 E2 No tsunami alerts
03:19 JST 28 Mar 2014 Hidaka-chiho Seibu 30 km 3.4 42.8 N 142.7 E1 No tsunami alerts
03:46 JST 28 Mar 2014 Miyagi-ken Oki 40 km 4.1 38.4 N 142.2 E2 No tsunami alerts
07:47 JST 28 Mar 2014 Chiba-ken Hokuseibu 80 km 3.4 35.6 N 140.1 E1 No tsunami alerts
08:34 JST 28 Mar 2014 Miyagi-ken Oki 50 km 4.0 38.5 N 141.9 E1 No tsunami alerts
14:07 JST 28 Mar 2014 Hidaka-chiho Seibu 30 km 3.4 42.8 N 142.7 E1 No tsunami alerts
17:33 JST 28 Mar 2014 Iwate-ken Oki 50 km 3.9 39.8 N 142.6 E1 No tsunami alerts
23:37 JST 28 Mar 2014 Ibaraki-ken Nambu 20 km 2.8 36.0 N 140.1 E1 No tsunami alerts
23:39 JST 28 Mar 2014 Ibaraki-ken Nambu 20 km 2.8 36.0 N 140.1 E1 No tsunami alerts
02:31 JST 29 Mar 2014 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.1 E1 No tsunami alerts
10:54 JST 29 Mar 2014 Ibaraki-ken Oki very shallow 5.3 36.4 N 142.0 E2 No tsunami alerts
11:53 JST 29 Mar 2014 Fukushima-ken Oki 30 km 4.1 36.9 N 141.5 E1 No tsunami alerts
16:40 JST 29 Mar 2014 Aomori-ken Toho-oki 10 km 4.7 40.9 N 143.3 E2 No tsunami alerts
04:28 JST 30 Mar 2014 Ibaraki-ken Oki 50 km 3.9 36.6 N 140.9 E2 No tsunami alerts
05:54 JST 30 Mar 2014 Tochigi-ken Hokubu 10 km 2.7 36.9 N 139.4 E1 No tsunami alerts
12:23 JST 30 Mar 2014 Chiba-ken Hokuseibu 80 km 4.1 35.8 N 140.1 E2 No tsunami alerts
15:51 JST 30 Mar 2014 Oita-ken Chubu 10 km 2.0 33.3 N 131.5 E1 No tsunami alerts
20:12 JST 30 Mar 2014 Fukushima-ken Oki 20 km 4.8 37.3 N 142.2 E3 No tsunami alerts
09:24 JST 31 Mar 2014 Chiba-ken Toho-oki 10 km 3.5 35.7 N 141.1 E1 No tsunami alerts
09:45 JST 31 Mar 2014 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E2 No tsunami alerts
11:59 JST 31 Mar 2014 Miyagi-ken Oki 50 km 3.8 38.9 N 141.9 E2 No tsunami alerts
16:00 JST 31 Mar 2014 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
23:03 JST 31 Mar 2014 Ibaraki-ken Oki 50 km 3.3 36.8 N 141.0 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