J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
00:42 JST 01 Feb 2015 Ishikawa-ken Noto-chiho 20 km 4.4 37.3 N 137.2 E4 No tsunami alerts
01:49 JST 01 Feb 2015 Fukui-ken Reihoku 10 km 2.9 35.8 N 136.2 E2 No tsunami alerts
12:40 JST 01 Feb 2015 Amami-oshima Kinkai 10 km 2.9 27.6 N 128.8 E1 No tsunami alerts
16:22 JST 01 Feb 2015 Miyagi-ken Oki 50 km 3.1 38.5 N 141.7 E1 No tsunami alerts
03:13 JST 02 Feb 2015 Nagano-ken Hokubu 10 km 2.1 36.6 N 138.1 E2 No tsunami alerts
04:22 JST 02 Feb 2015 Kumamoto-ken Kumamoto-chiho 10 km 2.8 32.7 N 130.7 E2 No tsunami alerts
14:37 JST 02 Feb 2015 Niigata-ken Chuetsu-chiho 10 km 1.6 37.0 N 138.6 E1 No tsunami alerts
15:48 JST 02 Feb 2015 Iwate-ken Oki 30 km 4.0 39.9 N 142.6 E2 No tsunami alerts
18:06 JST 02 Feb 2015 Chiba-ken Toho-oki 10 km 4.1 35.8 N 141.0 E2 No tsunami alerts
23:07 JST 02 Feb 2015 Akita-ken Nairiku-hokubu 10 km 3.1 40.1 N 140.5 E2 No tsunami alerts
23:08 JST 02 Feb 2015 Akita-ken Nairiku-hokubu 10 km 2.9 40.0 N 140.6 E1 No tsunami alerts
00:51 JST 03 Feb 2015 Soya-chiho Hokubu 30 km 2.5 45.2 N 141.9 E1 No tsunami alerts
05:40 JST 03 Feb 2015 Urakawa Oki 50 km 3.3 42.1 N 142.8 E1 No tsunami alerts
06:19 JST 03 Feb 2015 Miyagi-ken Oki 50 km 3.9 38.9 N 142.0 E2 No tsunami alerts
12:39 JST 03 Feb 2015 Shizuoka-ken Seibu 40 km 3.4 34.9 N 138.0 E1 No tsunami alerts
14:07 JST 03 Feb 2015 Ehime-ken Nan-yo 50 km 4.0 33.6 N 132.8 E3 No tsunami alerts
19:37 JST 03 Feb 2015 Chiba-ken Nanto-oki 70 km 3.2 35.0 N 140.0 E1 No tsunami alerts
22:58 JST 03 Feb 2015 Akita-ken Nairiku-nambu 10 km 2.2 39.1 N 140.5 E1 No tsunami alerts
01:10 JST 04 Feb 2015 Iwate-ken Oki 60 km 3.7 40.2 N 142.1 E2 No tsunami alerts
14:54 JST 04 Feb 2015 Izu-ohshima Kinkai very shallow 2.2 34.8 N 139.2 E1 No tsunami alerts
15:00 JST 04 Feb 2015 Gumma-ken Nambu 80 km 3.3 36.2 N 139.5 E1 No tsunami alerts
15:08 JST 04 Feb 2015 Izu-ohshima Kinkai very shallow 3.1 34.8 N 139.2 E2 No tsunami alerts
16:05 JST 04 Feb 2015 Ibaraki-ken Oki 30 km 3.8 36.1 N 141.4 E1 No tsunami alerts
00:53 JST 05 Feb 2015 Rumoi-chiho Chuhokubu 20 km 2.0 44.8 N 141.9 E1 No tsunami alerts
00:55 JST 05 Feb 2015 Rumoi-chiho Chuhokubu 20 km 2.1 44.8 N 141.9 E1 No tsunami alerts
02:27 JST 05 Feb 2015 Iwate-ken Nairiku-nambu 10 km 3.3 39.1 N 140.9 E1 No tsunami alerts
06:05 JST 05 Feb 2015 Shimane-ken Seibu 10 km 3.4 34.8 N 132.1 E2 No tsunami alerts
02:54 JST 06 Feb 2015 Miyagi-ken Oki 60 km 3.9 38.1 N 141.8 E1 No tsunami alerts
05:28 JST 06 Feb 2015 Miyagi-ken Oki 50 km 4.1 38.6 N 141.9 E2 No tsunami alerts
10:25 JST 06 Feb 2015 Tokushima-ken Nambu 10 km 5.0 33.7 N 134.4 E5 upper No tsunami alerts
18:07 JST 06 Feb 2015 Ibaraki-ken Nambu 50 km 3.3 36.0 N 140.2 E1 No tsunami alerts
06:23 JST 07 Feb 2015 Fukushima-ken Oki 70 km 3.5 37.3 N 141.1 E1 No tsunami alerts
12:36 JST 07 Feb 2015 Nagano-ken Nambu 10 km 3.7 35.9 N 137.9 E3 No tsunami alerts
13:26 JST 07 Feb 2015 Miyakojima Kinkai 30 km 3.6 24.7 N 125.1 E1 No tsunami alerts
15:19 JST 07 Feb 2015 Chiba-ken Hokuseibu 80 km 3.9 35.8 N 140.1 E2 No tsunami alerts
16:10 JST 07 Feb 2015 Nagano-ken Hokubu very shallow 2.2 36.8 N 137.9 E1 No tsunami alerts
21:55 JST 07 Feb 2015 Ibaraki-ken Oki 50 km 3.6 36.4 N 140.8 E1 No tsunami alerts
01:49 JST 08 Feb 2015 Niigata-ken Chuetsu-chiho 30 km 3.4 37.2 N 138.9 E2 No tsunami alerts
09:50 JST 08 Feb 2015 Fukushima-ken Hamadori 10 km 3.4 37.0 N 140.8 E1 No tsunami alerts
10:51 JST 08 Feb 2015 Amami-oshima Kinkai 20 km 3.6 28.5 N 129.6 E1 No tsunami alerts
21:47 JST 08 Feb 2015 Hokkaido Toho-oki 40 km 4.5 43.3 N 147.4 E1 No tsunami alerts
08:10 JST 09 Feb 2015 Ibaraki-ken Nambu 50 km 2.8 36.0 N 140.3 E1 No tsunami alerts
19:48 JST 09 Feb 2015 Chiba-ken Toho-oki 10 km 3.9 35.8 N 141.0 E2 No tsunami alerts
20:10 JST 09 Feb 2015 Fukushima-ken Oki 40 km 3.9 37.1 N 141.4 E2 No tsunami alerts
22:37 JST 09 Feb 2015 Ibaraki-ken Nambu 50 km 3.2 36.1 N 139.9 E2 No tsunami alerts
01:29 JST 10 Feb 2015 Ibaraki-ken Hokubu 10 km 2.6 36.6 N 140.6 E1 No tsunami alerts
01:56 JST 10 Feb 2015 Aomori-ken Sampachi-Kamikita-chiho 80 km 3.4 40.5 N 141.5 E1 No tsunami alerts
18:04 JST 10 Feb 2015 Niigata-ken Jochuetsu-oki 30 km 3.0 37.5 N 138.6 E1 No tsunami alerts
01:17 JST 11 Feb 2015 Sorachi-chiho Chubu 10 km 2.2 43.5 N 142.0 E1 No tsunami alerts
04:23 JST 11 Feb 2015 Miyagi-ken Oki 50 km 4.1 38.3 N 141.9 E2 No tsunami alerts
15:22 JST 11 Feb 2015 Ibaraki-ken Nambu 50 km 2.8 36.0 N 139.9 E1 No tsunami alerts
19:09 JST 11 Feb 2015 Ibaraki-ken Nambu 50 km 3.0 36.2 N 140.0 E1 No tsunami alerts
05:49 JST 12 Feb 2015 Chiba-ken Toho-oki 50 km 3.5 35.7 N 140.8 E1 No tsunami alerts
10:26 JST 13 Feb 2015 Okinawa-honto Kinkai 30 km 3.7 26.1 N 127.5 E2 No tsunami alerts
15:53 JST 13 Feb 2015 Nagano-ken Chubu 10 km 2.5 36.3 N 138.0 E1 No tsunami alerts
16:00 JST 13 Feb 2015 Tomakomai Oki 70 km 3.6 41.6 N 141.9 E1 No tsunami alerts
19:47 JST 13 Feb 2015 Niigata-ken Chuetsu-chiho 30 km 2.6 37.1 N 138.6 E2 No tsunami alerts
19:48 JST 13 Feb 2015 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E2 No tsunami alerts
02:36 JST 14 Feb 2015 Chiba-ken Toho-oki 10 km 3.0 35.7 N 141.1 E1 No tsunami alerts
04:36 JST 14 Feb 2015 Hidaka-chiho Tobu 60 km 3.7 42.3 N 143.0 E1 No tsunami alerts
05:06 JST 14 Feb 2015 Taiwan and its Vicinity 20 km 6.1 22.7 N 121.5 E1 No tsunami alerts
05:55 JST 14 Feb 2015 Kagoshima-ken Satsuma-chiho 10 km 2.2 31.9 N 130.6 E1 No tsunami alerts
07:30 JST 14 Feb 2015 Miyagi-ken Oki 50 km 3.7 38.9 N 141.9 E1 No tsunami alerts
13:14 JST 14 Feb 2015 Miyagi-ken Oki 60 km 3.5 38.9 N 141.8 E1 No tsunami alerts
15:23 JST 14 Feb 2015 Kumamoto-ken Kumamoto-chiho 10 km 3.0 32.5 N 130.7 E1 No tsunami alerts
16:18 JST 14 Feb 2015 Hyogo-ken Nanseibu 10 km 3.7 35.0 N 134.6 E2 No tsunami alerts
23:17 JST 14 Feb 2015 Tokushima-ken Hokubu 40 km 4.0 34.0 N 133.9 E3 No tsunami alerts
09:14 JST 15 Feb 2015 Ibaraki-ken Oki 20 km 4.6 36.6 N 141.2 E2 No tsunami alerts
10:58 JST 15 Feb 2015 Nagano-ken Chubu 10 km 2.5 36.2 N 138.0 E2 No tsunami alerts
13:10 JST 15 Feb 2015 Tokara-retto Kinkai very shallow 2.0 29.8 N 129.9 E1 No tsunami alerts
18:41 JST 15 Feb 2015 Wakayama-ken Hokubu 10 km 1.7 34.2 N 135.2 E1 No tsunami alerts
23:34 JST 15 Feb 2015 Tanegashima Nanto-oki 20 km 4.1 30.0 N 131.3 E1 No tsunami alerts
00:14 JST 17 Feb 2015 Okinawa-honto Kinkai 20 km 3.6 26.4 N 127.1 E2 No tsunami alerts
00:50 JST 17 Feb 2015 Okinawa-honto Kinkai 10 km 2.6 26.4 N 127.1 E1 No tsunami alerts
02:47 JST 17 Feb 2015 Chiba-ken Hokuseibu 80 km 3.7 35.6 N 140.1 E1 No tsunami alerts
08:06 JST 17 Feb 2015 Sanriku Oki 10 km 6.9 39.9 N 144.5 E4 Tsunami alert issued
08:06 JST 17 Feb 2015 Sanriku Oki 10 km 6.9 39.9 N 144.5 E4 Tsunami alert issued
08:17 JST 17 Feb 2015 Nemuro-chiho Nambu 100 km 3.4 43.2 N 145.4 E1 No tsunami alerts
09:50 JST 17 Feb 2015 Sanriku Oki 10 km 4.8 39.9 N 143.4 E1 Tsunami alert issued
10:47 JST 17 Feb 2015 Miyagi-ken Oki 60 km 4.6 38.6 N 142.2 E2 No tsunami alerts
11:30 JST 17 Feb 2015 Sanriku Oki 10 km 4.6 39.6 N 143.4 E1 No tsunami alerts
13:46 JST 17 Feb 2015 Iwate-ken Oki 50 km 5.7 40.1 N 142.1 E5 upper No tsunami alerts
14:08 JST 17 Feb 2015 Iwate-ken Oki 50 km 3.1 40.1 N 142.1 E1 No tsunami alerts
14:28 JST 17 Feb 2015 Iwate-ken Oki 50 km 2.7 40.1 N 142.0 E1 No tsunami alerts
16:20 JST 17 Feb 2015 Ibaraki-ken Oki 40 km 4.2 36.4 N 141.0 E2 No tsunami alerts
01:33 JST 18 Feb 2015 Sanriku Oki 10 km 5.7 39.6 N 143.8 E2 No tsunami alerts
03:04 JST 18 Feb 2015 Aomori-ken Toho-oki 50 km 3.8 41.4 N 142.2 E1 No tsunami alerts
05:51 JST 18 Feb 2015 Osaka-fu Hokubu 10 km 2.2 35.0 N 135.4 E1 No tsunami alerts
06:06 JST 18 Feb 2015 Izu-ohshima Kinkai very shallow 1.9 34.7 N 139.3 E1 No tsunami alerts
06:40 JST 18 Feb 2015 Izu-ohshima Kinkai very shallow 1.9 34.7 N 139.3 E1 No tsunami alerts
10:10 JST 18 Feb 2015 Izu-ohshima Kinkai very shallow 1.7 34.7 N 139.3 E1 No tsunami alerts
12:14 JST 18 Feb 2015 Miyagi-ken Oki 60 km 3.9 38.3 N 141.9 E1 No tsunami alerts
14:01 JST 18 Feb 2015 Fukushima-ken Nakadori 10 km 3.4 37.1 N 140.6 E2 No tsunami alerts
19:05 JST 18 Feb 2015 Shikoku Oki 40 km 3.2 33.4 N 134.7 E1 No tsunami alerts
19:20 JST 18 Feb 2015 Wakayama-ken Nampo-oki 40 km 3.5 33.6 N 135.3 E1 No tsunami alerts
16:14 JST 19 Feb 2015 Iwate-ken Oki 50 km 3.3 40.1 N 142.1 E2 No tsunami alerts
00:22 JST 20 Feb 2015 Ibaraki-ken Nambu 50 km 2.8 36.1 N 139.9 E1 No tsunami alerts
02:49 JST 20 Feb 2015 Miyagi-ken Oki 60 km 3.2 38.4 N 141.9 E1 No tsunami alerts
13:07 JST 20 Feb 2015 Sado Fukin 10 km 2.8 37.9 N 138.1 E1 No tsunami alerts
13:25 JST 20 Feb 2015 Sanriku Oki 10 km 6.1 39.8 N 143.7 E3  
17:54 JST 20 Feb 2015 Miyakojima Kinkai 30 km 3.4 24.7 N 125.1 E1 No tsunami alerts
20:09 JST 20 Feb 2015 Iwate-ken Oki 20 km 4.5 40.0 N 142.4 E2 No tsunami alerts
21:48 JST 20 Feb 2015 Tochigi-ken Hokubu 10 km 2.6 36.9 N 139.5 E1 No tsunami alerts
02:12 JST 21 Feb 2015 Ibaraki-ken Oki 40 km 3.9 36.5 N 141.1 E1 No tsunami alerts
04:28 JST 21 Feb 2015 Urakawa Oki 60 km 5.1 42.0 N 142.7 E3 No tsunami alerts
07:16 JST 21 Feb 2015 Fukushima-ken Oki 40 km 3.9 37.1 N 141.6 E1 No tsunami alerts
11:41 JST 21 Feb 2015 Kii-suido 10 km 2.6 34.1 N 135.1 E1 No tsunami alerts
19:14 JST 21 Feb 2015 Sanriku Oki 10 km 5.9 39.9 N 143.6 E2 No tsunami alerts
00:48 JST 22 Feb 2015 Shizuoka-ken Izu-chiho 10 km 2.8 34.7 N 138.8 E1 No tsunami alerts
06:56 JST 22 Feb 2015 Tokyo-wan 20 km 2.7 35.6 N 140.0 E1 No tsunami alerts
09:18 JST 22 Feb 2015 Nagano-ken Chubu very shallow 2.1 36.2 N 138.0 E1 No tsunami alerts
10:02 JST 22 Feb 2015 Nagano-ken Chubu 10 km 2.1 36.2 N 138.0 E2 No tsunami alerts
10:19 JST 22 Feb 2015 Tokachi Oki 70 km 3.7 42.6 N 143.6 E1 No tsunami alerts
11:54 JST 22 Feb 2015 Sanriku Oki 10 km 4.9 40.1 N 143.6 E1 No tsunami alerts
20:55 JST 22 Feb 2015 Ibaraki-ken Oki 40 km 3.7 36.4 N 141.1 E1 No tsunami alerts
04:43 JST 23 Feb 2015 Sanriku Oki 10 km 5.0 39.8 N 143.7 E2 No tsunami alerts
10:38 JST 23 Feb 2015 Sanriku Oki 10 km 4.4 39.9 N 143.5 E1 No tsunami alerts
10:44 JST 23 Feb 2015 Fukushima-ken Oki 40 km 4.1 36.9 N 141.5 E1 No tsunami alerts
12:16 JST 23 Feb 2015 Gifu-ken Mino-tobu 50 km 2.9 35.3 N 137.3 E1 No tsunami alerts
15:33 JST 23 Feb 2015 Tomakomai Oki 80 km 3.6 42.0 N 141.6 E1 No tsunami alerts
17:00 JST 23 Feb 2015 Chiba-ken Hokuseibu 80 km 4.5 35.6 N 140.2 E3 No tsunami alerts
04:14 JST 24 Feb 2015 Iwate-ken Oki 50 km 3.3 40.1 N 142.1 E2 No tsunami alerts
09:47 JST 24 Feb 2015 Akita-ken Nairiku-nambu 10 km 2.3 39.7 N 140.8 E1 No tsunami alerts
11:29 JST 24 Feb 2015 Sanriku Oki 10 km 5.9 39.6 N 143.5 E2 No tsunami alerts
16:25 JST 24 Feb 2015 Miyakojima Kinkai 50 km 4.2 24.8 N 125.4 E2 No tsunami alerts
17:01 JST 24 Feb 2015 Iwate-ken Oki 20 km 3.5 40.0 N 142.4 E1 No tsunami alerts
19:36 JST 24 Feb 2015 Iwate-ken Oki 50 km 4.3 39.0 N 142.2 E3 No tsunami alerts
19:55 JST 24 Feb 2015 Iwate-ken Oki 30 km 4.1 39.1 N 142.5 E1 No tsunami alerts
06:28 JST 25 Feb 2015 Ibaraki-ken Nambu 50 km 3.1 36.1 N 139.9 E2 No tsunami alerts
11:57 JST 25 Feb 2015 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E1 No tsunami alerts
12:20 JST 25 Feb 2015 Ibaraki-ken Oki 40 km 3.7 36.4 N 140.9 E1 No tsunami alerts
16:58 JST 25 Feb 2015 Kumamoto-ken Kumamoto-chiho 10 km 2.7 32.7 N 130.6 E1 No tsunami alerts
17:58 JST 25 Feb 2015 Ibaraki-ken Oki 20 km 4.1 36.6 N 141.0 E2 No tsunami alerts
19:32 JST 25 Feb 2015 Sanriku Oki 10 km 4.9 39.3 N 143.6 E2 No tsunami alerts
00:30 JST 26 Feb 2015 Kagoshima-ken Satsuma-chiho 10 km 2.8 32.1 N 130.2 E1 No tsunami alerts
00:38 JST 26 Feb 2015 Nagano-ken Hokubu 10 km 2.2 36.6 N 137.9 E2 No tsunami alerts
01:22 JST 26 Feb 2015 Nagano-ken Hokubu very shallow 1.7 36.6 N 137.9 E1 No tsunami alerts
04:39 JST 26 Feb 2015 Ibaraki-ken Oki 50 km 3.8 36.4 N 140.8 E1 No tsunami alerts
06:02 JST 26 Feb 2015 Nagano-ken Hokubu 10 km 1.4 36.6 N 137.9 E1 No tsunami alerts
08:48 JST 26 Feb 2015 Chiba-ken Hokuseibu 80 km 3.1 35.6 N 140.1 E1 No tsunami alerts
10:11 JST 26 Feb 2015 Miyagi-ken Oki 50 km 4.9 38.5 N 142.1 E4 No tsunami alerts
03:55 JST 27 Feb 2015 Mie-ken Nanto-oki 30 km 3.9 34.0 N 136.3 E2 No tsunami alerts
06:56 JST 27 Feb 2015 Iwate-ken Oki 40 km 3.1 39.3 N 142.3 E1 No tsunami alerts
07:32 JST 27 Feb 2015 Satsunan-shoto Toho-oki 10 km 4.7 28.0 N 131.4 E1 No tsunami alerts
16:58 JST 27 Feb 2015 Amami-oshima Hokusei-oki 120 km 4.4 28.3 N 128.3 E1 No tsunami alerts
00:08 JST 28 Feb 2015 Shiga-ken Nambu 10 km 2.8 35.2 N 135.9 E1 No tsunami alerts
04:52 JST 28 Feb 2015 Miyagi-ken Oki 70 km 3.3 38.8 N 141.6 E1 No tsunami alerts
09:40 JST 28 Feb 2015 Kushiro Oki 100 km 4.2 42.7 N 144.4 E2 No tsunami alerts
09:51 JST 28 Feb 2015 Chiba-ken Hokutobu 40 km 3.5 35.9 N 140.5 E1 No tsunami alerts
14:25 JST 28 Feb 2015 Miyagi-ken Oki 50 km 2.9 38.7 N 141.8 E1 No tsunami alerts
17:19 JST 28 Feb 2015 Chiba-ken Toho-oki 50 km 3.2 35.6 N 140.8 E1 No tsunami alerts
17:40 JST 28 Feb 2015 Chiba-ken Toho-oki 50 km 4.5 35.6 N 140.8 E3 No tsunami alerts
17:50 JST 28 Feb 2015 Nemuro-hanto Nanto-oki 50 km 3.1 43.1 N 145.8 E1 No tsunami alerts
23:18 JST 28 Feb 2015 Miyagi-ken Oki 60 km 3.5 38.4 N 141.8 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