J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
09:50 JST 01 Feb 2014 Aomori-ken Toho-oki 50 km 3.7 40.9 N 142.1 E2 No tsunami alerts
07:54 JST 02 Feb 2014 Hokkaido Nansei-oki 10 km 3.3 42.1 N 139.3 E1 No tsunami alerts
15:05 JST 02 Feb 2014 Amami-oshima Kinkai 40 km 4.6 28.0 N 128.9 E4 No tsunami alerts
17:13 JST 02 Feb 2014 Iwate-ken Oki 50 km 3.9 39.6 N 142.1 E2 No tsunami alerts
20:09 JST 02 Feb 2014 Kumamoto-ken Aso-chiho very shallow 3.0 32.8 N 131.0 E3 No tsunami alerts
20:13 JST 02 Feb 2014 Kumamoto-ken Aso-chiho very shallow 2.5 32.8 N 131.0 E1 No tsunami alerts
21:31 JST 02 Feb 2014 Kumamoto-ken Aso-chiho very shallow 2.2 32.8 N 131.0 E1 No tsunami alerts
00:43 JST 03 Feb 2014 Kumamoto-ken Aso-chiho very shallow 3.1 32.8 N 131.0 E2 No tsunami alerts
12:09 JST 03 Feb 2014 Hokkaido Toho-oki 40 km 4.2 43.5 N 147.0 E2 No tsunami alerts
21:07 JST 03 Feb 2014 Mie-ken Nambu 40 km 3.8 34.3 N 136.7 E2 No tsunami alerts
05:14 JST 04 Feb 2014 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
06:04 JST 04 Feb 2014 Iwate-ken Oki 50 km 3.2 39.9 N 142.2 E1 No tsunami alerts
07:50 JST 04 Feb 2014 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
08:03 JST 04 Feb 2014 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
09:35 JST 04 Feb 2014 Fukushima-ken Oki 50 km 4.6 37.8 N 141.6 E2 No tsunami alerts
11:14 JST 04 Feb 2014 Iwate-ken Oki 50 km 3.6 39.1 N 142.1 E1 No tsunami alerts
18:49 JST 04 Feb 2014 Miyagi-ken Oki 40 km 4.0 38.4 N 142.1 E1 No tsunami alerts
00:47 JST 05 Feb 2014 Kumamoto-ken Aso-chiho 10 km 2.1 32.8 N 131.0 E1 No tsunami alerts
23:31 JST 05 Feb 2014 Iwate-ken Oki 50 km 3.7 40.4 N 142.1 E2 No tsunami alerts
00:46 JST 06 Feb 2014 Ibaraki-ken Nambu 80 km 3.6 36.2 N 139.8 E2 No tsunami alerts
02:32 JST 06 Feb 2014 Miyagi-ken Oki 40 km 5.6 38.6 N 142.4 E4 No tsunami alerts
02:37 JST 06 Feb 2014 Miyagi-ken Oki 40 km 4.0 38.7 N 142.4 E1 No tsunami alerts
02:47 JST 06 Feb 2014 Miyagi-ken Oki 40 km 3.5 38.6 N 142.4 E1 No tsunami alerts
08:38 JST 06 Feb 2014 Fukushima-ken Oki 20 km 3.5 37.4 N 141.4 E1 No tsunami alerts
14:03 JST 06 Feb 2014 Chichijima Kinkai 10 km 4.9 27.0 N 142.9 E2 No tsunami alerts
20:32 JST 06 Feb 2014 Miyakojima Kinkai 50 km 5.0 24.8 N 125.4 E3 No tsunami alerts
20:32 JST 06 Feb 2014 Miyakojima Kinkai 50 km 5.0 24.8 N 125.4 E3 Intensity correction
21:10 JST 06 Feb 2014 Miyagi-ken Oki 60 km 4.2 38.4 N 141.9 E3 No tsunami alerts
09:43 JST 07 Feb 2014 Fukushima-ken Aizu 10 km 3.4 37.7 N 139.9 E3 No tsunami alerts
12:14 JST 07 Feb 2014 Hokkaido Toho-oki 60 km 4.7 43.4 N 147.3 E1 No tsunami alerts
00:30 JST 08 Feb 2014 Fukushima-ken Aizu 10 km 1.6 37.0 N 139.4 E1 No tsunami alerts
02:18 JST 08 Feb 2014 Fukushima-ken Oki 40 km 5.0 37.5 N 141.5 E4 No tsunami alerts
07:59 JST 08 Feb 2014 Osaka-wan 10 km 2.2 34.7 N 135.3 E1 No tsunami alerts
11:34 JST 08 Feb 2014 Fukushima-ken Oki 50 km 4.8 37.1 N 141.2 E4 No tsunami alerts
21:13 JST 08 Feb 2014 Hokkaido Toho-oki 10 km 4.8 43.7 N 148.0 E1 No tsunami alerts
12:50 JST 09 Feb 2014 Fukushima-ken Oki 50 km 4.1 37.0 N 141.2 E3 No tsunami alerts
13:58 JST 09 Feb 2014 Amami-oshima Kinkai 10 km 3.2 28.3 N 129.4 E2 No tsunami alerts
19:55 JST 09 Feb 2014 Miyagi-ken Oki 60 km 4.3 38.1 N 141.9 E3 No tsunami alerts
22:34 JST 09 Feb 2014 Hokkaido Toho-oki 60 km 4.5 43.4 N 147.1 E2 No tsunami alerts
07:57 JST 10 Feb 2014 Tokachi-chiho Nambu 60 km 4.2 42.4 N 143.2 E2 No tsunami alerts
09:52 JST 10 Feb 2014 Ibaraki-ken Hokubu 10 km 3.7 36.7 N 140.7 E2 No tsunami alerts
18:38 JST 10 Feb 2014 Sanriku Oki 10 km 4.8 39.7 N 144.1 E1 No tsunami alerts
19:04 JST 10 Feb 2014 Sanriku Oki 10 km 4.9 39.7 N 143.7 E2 No tsunami alerts
19:06 JST 10 Feb 2014 Sanriku Oki 10 km 4.6 39.7 N 143.8 E1 No tsunami alerts
19:31 JST 10 Feb 2014 Sanriku Oki 10 km 4.3 39.6 N 143.6 E1 No tsunami alerts
23:34 JST 10 Feb 2014 Gifu-ken Mino-tobu 10 km 2.3 35.4 N 137.0 E1 No tsunami alerts
04:14 JST 11 Feb 2014 Boso-hanto Nampo-oki 100 km 5.6 34.2 N 140.1 E3 No tsunami alerts
08:39 JST 11 Feb 2014 Miyagi-ken Oki 50 km 3.8 38.8 N 142.1 E2 No tsunami alerts
13:23 JST 11 Feb 2014 Fukushima-ken Oki 40 km 4.0 37.2 N 141.5 E1 No tsunami alerts
15:05 JST 11 Feb 2014 Urakawa Oki 70 km 4.5 41.9 N 142.3 E2 No tsunami alerts
00:22 JST 12 Feb 2014 Chiba-ken Toho-oki 10 km 4.3 35.6 N 141.1 E2 No tsunami alerts
05:22 JST 12 Feb 2014 Aomori-ken Toho-oki 60 km 3.5 41.0 N 142.0 E1 No tsunami alerts
06:34 JST 12 Feb 2014 Miyagi-ken Chubu 20 km 4.1 38.3 N 141.5 E2 No tsunami alerts
12:33 JST 12 Feb 2014 Miyakojima Kinkai 50 km 4.2 25.1 N 125.6 E1 No tsunami alerts
13:11 JST 12 Feb 2014 Amami-oshima Kinkai 40 km 3.7 28.0 N 130.1 E1 No tsunami alerts
19:39 JST 12 Feb 2014 Ibaraki-ken Oki 10 km 2.5 36.6 N 140.7 E1 No tsunami alerts
23:22 JST 12 Feb 2014 Gifu-ken Mino-chuseibu very shallow 3.6 35.8 N 137.1 E2 No tsunami alerts
03:24 JST 13 Feb 2014 Fukushima-ken Hamadori 20 km 3.3 37.0 N 140.7 E1 No tsunami alerts
15:57 JST 13 Feb 2014 Iwate-ken Oki 50 km 3.5 39.0 N 142.2 E1 No tsunami alerts
20:15 JST 13 Feb 2014 Chiba-ken Toho-oki 10 km 4.1 35.8 N 141.0 E2 No tsunami alerts
21:46 JST 13 Feb 2014 Wakayama-ken Nambu 40 km 2.8 33.9 N 135.4 E1 No tsunami alerts
10:53 JST 14 Feb 2014 Tanegashima Nanto-oki 10 km 4.2 30.2 N 131.9 E1 No tsunami alerts
14:23 JST 14 Feb 2014 Wakayama-ken Hokubu very shallow 2.5 34.2 N 135.2 E1 No tsunami alerts
19:04 JST 14 Feb 2014 Ibaraki-ken Hokubu 70 km 4.0 36.5 N 140.5 E2 No tsunami alerts
01:46 JST 15 Feb 2014 Seto-naikai Chubu 10 km 3.1 34.1 N 133.2 E1 No tsunami alerts
03:54 JST 15 Feb 2014 Ibaraki-ken Oki 20 km 3.9 36.7 N 141.4 E1 No tsunami alerts
06:57 JST 15 Feb 2014 Wakayama-ken Nambu 40 km 3.0 33.9 N 135.4 E1 No tsunami alerts
22:07 JST 15 Feb 2014 Aki-nada 40 km 3.1 34.1 N 132.7 E1 No tsunami alerts
23:50 JST 15 Feb 2014 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.7 E1 No tsunami alerts
05:53 JST 16 Feb 2014 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E2 No tsunami alerts
06:12 JST 16 Feb 2014 Miyagi-ken Oki 40 km 4.1 38.6 N 142.4 E1 No tsunami alerts
06:39 JST 16 Feb 2014 Ibaraki-ken Hokubu very shallow 3.3 36.8 N 140.7 E1 No tsunami alerts
06:41 JST 16 Feb 2014 Ibaraki-ken Hokubu very shallow 3.2 36.8 N 140.7 E2 No tsunami alerts
17:14 JST 16 Feb 2014 Kagoshima-ken Satsuma-chiho 10 km 2.6 31.7 N 130.9 E2 No tsunami alerts
17:49 JST 16 Feb 2014 Kagoshima-ken Satsuma-chiho very shallow 1.8 31.9 N 130.8 E1 No tsunami alerts
11:37 JST 17 Feb 2014 Kii-suido 10 km 2.6 34.1 N 135.1 E1 No tsunami alerts
19:46 JST 17 Feb 2014 Satsuma-hanto Seiho-oki very shallow 3.5 31.4 N 129.5 E1 No tsunami alerts
09:30 JST 18 Feb 2014 Chiba-ken Toho-oki 10 km 4.1 35.6 N 141.1 E1 No tsunami alerts
13:56 JST 18 Feb 2014 Miyagi-ken Oki 50 km 4.1 38.4 N 142.1 E2 No tsunami alerts
16:41 JST 18 Feb 2014 Ibaraki-ken Hokubu 10 km 2.5 36.7 N 140.7 E1 No tsunami alerts
17:50 JST 18 Feb 2014 Iwate-ken Oki 30 km 3.9 39.1 N 142.4 E1 No tsunami alerts
21:03 JST 18 Feb 2014 Ibaraki-ken Nambu 50 km 3.6 36.1 N 139.9 E2 No tsunami alerts
00:29 JST 19 Feb 2014 Ibaraki-ken Nambu 50 km 3.7 36.2 N 139.8 E2 No tsunami alerts
01:49 JST 19 Feb 2014 Mie-ken Nambu 50 km 3.9 33.8 N 136.0 E2 No tsunami alerts
05:02 JST 19 Feb 2014 Miyagi-ken Oki 40 km 4.2 38.4 N 142.2 E2 No tsunami alerts
10:31 JST 19 Feb 2014 Chiba-ken Toho-oki 10 km 3.5 35.8 N 141.0 E1 No tsunami alerts
15:20 JST 19 Feb 2014 Fukushima-ken Oki 40 km 3.9 37.2 N 141.2 E2 No tsunami alerts
15:24 JST 19 Feb 2014 Chichijima Kinkai 10 km 4.7 26.4 N 141.7 E2 No tsunami alerts
17:42 JST 19 Feb 2014 Wakayama-ken Hokubu very shallow 2.2 34.2 N 135.2 E1 No tsunami alerts
19:08 JST 19 Feb 2014 Akita-ken Nairiku-hokubu 10 km 3.4 40.1 N 140.6 E2 No tsunami alerts
19:30 JST 19 Feb 2014 Okinawa-honto Kinkai 10 km 4.3 26.2 N 128.4 E1 No tsunami alerts
19:54 JST 19 Feb 2014 Hyuga-nada 40 km 2.6 32.6 N 131.9 E1 No tsunami alerts
00:42 JST 20 Feb 2014 Chiba-ken Toho-oki 60 km 3.7 35.7 N 140.8 E2 No tsunami alerts
02:57 JST 20 Feb 2014 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.6 E2 No tsunami alerts
05:37 JST 20 Feb 2014 Kanagawa-ken Seibu 20 km 2.5 35.5 N 139.1 E1 No tsunami alerts
08:33 JST 20 Feb 2014 Fukuoka-ken Chikugo-chiho 10 km 2.6 33.0 N 130.5 E1 No tsunami alerts
11:12 JST 20 Feb 2014 Fukushima-ken Aizu very shallow 3.6 37.1 N 139.4 E3 No tsunami alerts
12:20 JST 20 Feb 2014 Ibaraki-ken Nambu 70 km 3.0 36.0 N 140.1 E1 No tsunami alerts
00:36 JST 21 Feb 2014 Fukushima-ken Aizu 10 km 2.2 37.1 N 139.4 E1 No tsunami alerts
01:23 JST 21 Feb 2014 Miyagi-ken Oki 50 km 3.5 38.2 N 141.7 E1 No tsunami alerts
08:13 JST 21 Feb 2014 Soya-kaikyo 340 km 4.9 45.9 N 142.7 E1 No tsunami alerts
15:33 JST 21 Feb 2014 Ibaraki-ken Oki 40 km 3.7 36.6 N 141.0 E2 No tsunami alerts
18:34 JST 21 Feb 2014 Ibaraki-ken Oki 20 km 3.7 36.8 N 141.0 E1 No tsunami alerts
22:13 JST 21 Feb 2014 Amami-oshima Kinkai 30 km 3.9 28.1 N 129.5 E2 No tsunami alerts
06:55 JST 22 Feb 2014 Urakawa Oki 60 km 3.6 42.0 N 142.6 E1 No tsunami alerts
07:31 JST 22 Feb 2014 Ibaraki-ken Nambu 60 km 4.1 36.1 N 140.5 E2 No tsunami alerts
08:04 JST 22 Feb 2014 Iwate-ken Oki 50 km 3.3 39.6 N 142.1 E1 No tsunami alerts
08:41 JST 22 Feb 2014 Urakawa Oki 50 km 3.8 42.1 N 142.8 E2 No tsunami alerts
08:45 JST 22 Feb 2014 Iwate-ken Oki 40 km 4.4 40.2 N 142.4 E1 No tsunami alerts
10:33 JST 22 Feb 2014 Amami-oshima Kinkai 30 km 3.3 28.1 N 129.5 E1 No tsunami alerts
12:02 JST 22 Feb 2014 Miyagi-ken Oki 50 km 3.7 38.6 N 141.9 E1 No tsunami alerts
14:53 JST 22 Feb 2014 Iwate-ken Oki 40 km 3.2 39.3 N 142.3 E1 No tsunami alerts
19:31 JST 22 Feb 2014 Ishigakijima Kinkai 70 km 4.6 24.6 N 123.5 E2 No tsunami alerts
02:58 JST 23 Feb 2014 Ibaraki-ken Hokubu 10 km 2.6 36.6 N 140.6 E1 No tsunami alerts
13:54 JST 23 Feb 2014 Hokkaido Toho-oki 10 km 5.4 43.5 N 147.6 E2 No tsunami alerts
14:43 JST 23 Feb 2014 Miyagi-ken Oki 60 km 3.6 38.3 N 141.8 E1 No tsunami alerts
06:36 JST 24 Feb 2014 Nagano-ken Hokubu 10 km 1.9 36.8 N 138.3 E1 No tsunami alerts
06:39 JST 24 Feb 2014 Amami-oshima Kinkai 40 km 3.5 28.4 N 129.4 E1 No tsunami alerts
09:42 JST 24 Feb 2014 Fukushima-ken Oki 20 km 4.2 37.5 N 141.8 E2 No tsunami alerts
16:26 JST 24 Feb 2014 Okinawa-honto Hokusei-oki 130 km 4.3 26.5 N 126.1 E1 No tsunami alerts
16:39 JST 24 Feb 2014 Miyagi-ken Oki 70 km 3.9 38.8 N 141.6 E2 No tsunami alerts
01:05 JST 25 Feb 2014 Fukushima-ken Aizu very shallow 3.6 37.1 N 139.4 E3 No tsunami alerts
08:39 JST 25 Feb 2014 Kagoshima-ken Satsuma-chiho 150 km 4.3 31.3 N 130.4 E1 No tsunami alerts
15:00 JST 25 Feb 2014 Iyo-nada 60 km 3.3 33.5 N 132.1 E1 No tsunami alerts
17:31 JST 25 Feb 2014 Chiba-ken Hokuseibu 80 km 3.1 35.7 N 140.1 E1 No tsunami alerts
19:54 JST 25 Feb 2014 Ibaraki-ken Oki 40 km 3.9 36.5 N 141.1 E2 No tsunami alerts
20:29 JST 25 Feb 2014 Iwate-ken Oki 50 km 3.6 40.4 N 142.1 E1 No tsunami alerts
20:59 JST 25 Feb 2014 Miyagi-ken Oki 60 km 3.9 38.4 N 141.8 E2 No tsunami alerts
00:35 JST 26 Feb 2014 Fukushima-ken Oki 40 km 3.9 37.8 N 141.7 E1 No tsunami alerts
01:28 JST 26 Feb 2014 Chiba-ken Toho-oki 20 km 2.9 35.7 N 140.9 E1 No tsunami alerts
08:45 JST 26 Feb 2014 Ibaraki-ken Oki 50 km 3.2 36.5 N 140.7 E1 No tsunami alerts
10:08 JST 26 Feb 2014 Ibaraki-ken Nambu 50 km 2.9 36.1 N 140.0 E1 No tsunami alerts
15:03 JST 26 Feb 2014 Tanegashima Kinkai 30 km 3.5 30.4 N 131.2 E1 No tsunami alerts
19:57 JST 26 Feb 2014 Fukushima-ken Oki 50 km 3.9 37.2 N 141.4 E2 No tsunami alerts
14:04 JST 27 Feb 2014 Ishikawa-ken Noto-chiho 20 km 4.0 37.3 N 136.8 E3 No tsunami alerts
15:12 JST 27 Feb 2014 Okinawa-honto Kinkai 20 km 2.5 26.4 N 127.7 E1 No tsunami alerts
15:14 JST 27 Feb 2014 Shizuoka-ken Seibu 20 km 2.8 34.9 N 138.0 E1 No tsunami alerts
22:34 JST 27 Feb 2014 Iwate-ken Oki 30 km 3.7 39.2 N 142.4 E1 No tsunami alerts
23:05 JST 27 Feb 2014 Miyagi-ken Oki 50 km 4.0 38.9 N 142.0 E2 No tsunami alerts
23:33 JST 27 Feb 2014 Wakayama-ken Hokubu 40 km 3.9 34.0 N 135.4 E2 No tsunami alerts
15:32 JST 28 Feb 2014 Iwate-ken Oki 50 km 3.0 39.9 N 142.2 E1 No tsunami alerts
16:45 JST 28 Feb 2014 Tochigi-ken Hokubu 130 km 3.9 36.8 N 139.9 E1 No tsunami alerts
17:54 JST 28 Feb 2014 Shiga-ken Nambu 10 km 2.3 34.9 N 136.1 E1 No tsunami alerts
22:35 JST 28 Feb 2014 Tokushima-ken Nambu 40 km 3.3 33.8 N 134.3 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