J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
00:57 JST 01 Aug 2014 Urakawa Oki 70 km 3.9 41.6 N 142.1 E1 No tsunami alerts
06:47 JST 01 Aug 2014 Hyuga-nada 10 km 2.8 32.5 N 132.0 E1 No tsunami alerts
17:07 JST 01 Aug 2014 Iwate-ken Oki 50 km 3.3 40.1 N 142.1 E1 No tsunami alerts
18:36 JST 01 Aug 2014 Miyagi-ken Oki 50 km 3.5 38.9 N 142.1 E1 No tsunami alerts
04:22 JST 02 Aug 2014 Shiga-ken Nambu 10 km 2.3 35.0 N 136.0 E1 No tsunami alerts
14:14 JST 02 Aug 2014 Ibaraki-ken Oki 40 km 3.8 36.5 N 141.1 E1 No tsunami alerts
20:06 JST 02 Aug 2014 Aki-nada 40 km 3.6 34.3 N 132.8 E2 No tsunami alerts
23:18 JST 02 Aug 2014 Amami-oshima Hokusei-oki 20 km 4.8 28.1 N 128.0 E2 No tsunami alerts
01:10 JST 03 Aug 2014 Iyo-nada 90 km 4.2 33.3 N 131.7 E2 No tsunami alerts
02:35 JST 03 Aug 2014 Amami-oshima Hokusei-oki very shallow 5.2 28.1 N 128.1 E2 No tsunami alerts
09:55 JST 03 Aug 2014 Miyagi-ken Oki 60 km 3.9 38.1 N 141.7 E1 No tsunami alerts
13:06 JST 03 Aug 2014 Amami-oshima Hokusei-oki 10 km 5.7 28.1 N 128.1 E3 No tsunami alerts
00:39 JST 04 Aug 2014 Okinawa-honto Kinkai 60 km 3.7 26.1 N 126.8 E1 No tsunami alerts
09:45 JST 04 Aug 2014 Fukushima-ken Hamadori 10 km 3.7 37.0 N 140.7 E2 No tsunami alerts
12:01 JST 04 Aug 2014 Chiba-ken Hokuseibu 80 km 3.1 35.6 N 140.1 E1 No tsunami alerts
14:17 JST 04 Aug 2014 Nagano-ken Nambu 10 km 2.2 35.9 N 137.6 E1 No tsunami alerts
14:58 JST 04 Aug 2014 Iwate-ken Oki 50 km 4.1 39.3 N 142.1 E2 No tsunami alerts
18:10 JST 04 Aug 2014 Gifu-ken Mino-tobu 10 km 2.7 35.4 N 137.4 E1 No tsunami alerts
22:39 JST 04 Aug 2014 Amami-oshima Hokusei-oki 10 km 4.3 28.1 N 128.1 E1 No tsunami alerts
04:36 JST 05 Aug 2014 Hachijojima Toho-oki 50 km 4.5 32.8 N 140.9 E1 No tsunami alerts
21:01 JST 05 Aug 2014 Hyuga-nada 20 km 3.6 31.5 N 131.9 E1 No tsunami alerts
22:49 JST 05 Aug 2014 Aomori-ken Toho-oki 50 km 4.1 40.7 N 142.5 E2 No tsunami alerts
01:17 JST 06 Aug 2014 Kyoto-fu Nambu 10 km 4.2 35.1 N 135.5 E4 No tsunami alerts
01:26 JST 06 Aug 2014 Kyoto-fu Nambu 10 km 3.5 35.1 N 135.5 E2 No tsunami alerts
02:06 JST 06 Aug 2014 Miyakejima Kinkai very shallow 1.8 34.1 N 139.5 E1 No tsunami alerts
02:42 JST 06 Aug 2014 Amami-oshima Hokusei-oki 10 km 4.6 28.1 N 128.1 E1 No tsunami alerts
02:42 JST 06 Aug 2014 Amami-oshima Hokusei-oki 10 km 4.6 28.1 N 128.1 E2 Intensity correction
03:21 JST 06 Aug 2014 Kyoto-fu Nambu 10 km 2.9 35.1 N 135.5 E1 No tsunami alerts
10:47 JST 06 Aug 2014 Miyagi-ken Oki 40 km 3.7 38.9 N 142.4 E1 No tsunami alerts
15:23 JST 06 Aug 2014 Chiba-ken Toho-oki 20 km 3.4 35.7 N 140.9 E1 No tsunami alerts
21:03 JST 06 Aug 2014 Niijima-Kozushima Kinkai 10 km 2.7 34.2 N 139.3 E1 No tsunami alerts
00:12 JST 07 Aug 2014 Miyagi-ken Oki 50 km 4.0 38.9 N 142.0 E2 No tsunami alerts
05:05 JST 07 Aug 2014 Akita-ken Nairiku-hokubu 10 km 4.3 40.0 N 140.8 E2 No tsunami alerts
17:50 JST 07 Aug 2014 Iriomotejima Fukin 60 km 3.7 24.4 N 123.6 E1 No tsunami alerts
03:47 JST 08 Aug 2014 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E1 No tsunami alerts
03:47 JST 08 Aug 2014 Aki-nada 40 km 3.5 33.8 N 132.5 E1 No tsunami alerts
06:47 JST 08 Aug 2014 Chichijima Kinkai 20 km 4.2 26.4 N 142.6 E1 No tsunami alerts
15:37 JST 08 Aug 2014 Chiba-ken Hokuseibu 70 km 2.9 35.8 N 140.0 E1 No tsunami alerts
01:51 JST 09 Aug 2014 Iwate-ken Oki 20 km 3.2 39.8 N 142.4 E1 No tsunami alerts
10:43 JST 09 Aug 2014 Chichijima Kinkai very shallow 2.5 26.7 N 142.1 E2 No tsunami alerts
12:17 JST 09 Aug 2014 Ibaraki-ken Hokubu 10 km 2.7 36.8 N 140.6 E1 No tsunami alerts
14:07 JST 09 Aug 2014 Miyagi-ken Oki 50 km 3.4 38.8 N 142.0 E1 No tsunami alerts
14:49 JST 09 Aug 2014 Miyagi-ken Oki 50 km 3.9 38.9 N 141.9 E2 No tsunami alerts
15:19 JST 09 Aug 2014 Miyagi-ken Oki 50 km 3.4 38.9 N 142.0 E1 No tsunami alerts
02:43 JST 10 Aug 2014 Shizuoka-ken Chubu 30 km 3.6 35.1 N 138.3 E2 No tsunami alerts
08:02 JST 10 Aug 2014 Chichijima Kinkai 10 km 4.7 26.4 N 143.7 E1 No tsunami alerts
12:43 JST 10 Aug 2014 Aomori-ken Toho-oki 50 km 6.1 41.1 N 142.3 E5 lower No tsunami alerts
01:08 JST 11 Aug 2014 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
00:33 JST 12 Aug 2014 Tokyo-to Tama-tobu 30 km 2.5 35.6 N 139.4 E1 No tsunami alerts
09:47 JST 12 Aug 2014 Boso-hanto Nampo-oki 90 km 4.3 34.2 N 140.1 E1 No tsunami alerts
12:54 JST 12 Aug 2014 Fukushima-ken Oki 20 km 3.7 37.0 N 141.4 E1 No tsunami alerts
13:35 JST 12 Aug 2014 Gifu-ken Hida-chiho 10 km 2.8 36.4 N 137.2 E1 No tsunami alerts
09:40 JST 13 Aug 2014 Tokachi-chiho Nambu 50 km 4.2 42.3 N 143.1 E2 No tsunami alerts
07:33 JST 14 Aug 2014 Ibaraki-ken Oki 40 km 3.5 36.4 N 141.1 E1 No tsunami alerts
07:51 JST 14 Aug 2014 Suo-nada 80 km 4.4 33.8 N 131.9 E3 No tsunami alerts
09:43 JST 14 Aug 2014 Urakawa Oki 50 km 3.4 42.1 N 142.6 E1 No tsunami alerts
14:36 JST 14 Aug 2014 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E2 No tsunami alerts
14:57 JST 14 Aug 2014 Miyagi-ken Oki 50 km 3.6 38.5 N 141.7 E1 No tsunami alerts
18:30 JST 14 Aug 2014 Niigata-ken Chuetsu-chiho 10 km 2.2 37.3 N 139.0 E1 No tsunami alerts
21:50 JST 14 Aug 2014 Urakawa Oki 70 km 4.2 42.0 N 142.7 E2 No tsunami alerts
02:10 JST 15 Aug 2014 Amami-oshima Hokusei-oki very shallow 5.4 28.1 N 128.1 E3 No tsunami alerts
06:10 JST 15 Aug 2014 Fukushima-ken Hamadori 10 km 3.0 37.2 N 140.9 E1 No tsunami alerts
12:20 JST 15 Aug 2014 Aomori-ken Toho-oki 60 km 4.2 41.5 N 142.6 E2 No tsunami alerts
13:17 JST 15 Aug 2014 Yamagata-ken Okitama-chiho 10 km 3.0 37.9 N 140.0 E1 No tsunami alerts
21:25 JST 15 Aug 2014 Fukushima-ken Oki 10 km 4.4 36.9 N 142.4 E1 No tsunami alerts
02:25 JST 16 Aug 2014 Chiba-ken Toho-oki 10 km 3.2 35.7 N 140.9 E1 No tsunami alerts
02:28 JST 16 Aug 2014 Gifu-ken Mino-chuseibu 10 km 2.5 35.4 N 136.9 E1 No tsunami alerts
03:45 JST 16 Aug 2014 Ibaraki-ken Oki 40 km 3.9 36.4 N 141.0 E2 No tsunami alerts
04:56 JST 16 Aug 2014 Chiba-ken Toho-oki 10 km 2.8 35.7 N 140.9 E1 No tsunami alerts
18:58 JST 16 Aug 2014 Izu-ohshima Kinkai very shallow 2.4 34.8 N 139.4 E1 No tsunami alerts
10:22 JST 17 Aug 2014 Ibaraki-ken Oki 40 km 4.1 36.4 N 141.0 E2 No tsunami alerts
01:07 JST 18 Aug 2014 Iwate-ken Oki 30 km 4.1 39.2 N 142.4 E1 No tsunami alerts
01:42 JST 18 Aug 2014 Iwate-ken Oki 50 km 3.3 39.7 N 142.1 E1 No tsunami alerts
03:16 JST 18 Aug 2014 Fukushima-ken Oki 10 km 4.9 36.9 N 142.4 E1 No tsunami alerts
05:34 JST 18 Aug 2014 Tanegashima Kinkai 50 km 3.8 30.8 N 130.8 E1 No tsunami alerts
02:42 JST 19 Aug 2014 Fukui-ken Reihoku 10 km 2.7 36.1 N 136.1 E1 No tsunami alerts
09:19 JST 19 Aug 2014 Izu-ohshima Kinkai 30 km 3.2 34.9 N 139.5 E1 No tsunami alerts
22:26 JST 19 Aug 2014 Nemuro-hanto Nanto-oki 50 km 5.0 43.0 N 145.6 E4 No tsunami alerts
22:31 JST 19 Aug 2014 Nemuro-hanto Nanto-oki 50 km 3.1 43.0 N 145.6 E1 No tsunami alerts
11:57 JST 20 Aug 2014 Aomori-ken Toho-oki 60 km 4.1 41.1 N 142.2 E2 No tsunami alerts
17:57 JST 20 Aug 2014 Miyazaki-ken Nambu-yamazoi very shallow 1.0 32.0 N 131.0 E1 No tsunami alerts
23:16 JST 20 Aug 2014 Okinawa-honto Kinkai 60 km 3.9 27.2 N 128.3 E2 No tsunami alerts
00:22 JST 21 Aug 2014 Wakayama-ken Hokubu very shallow 3.3 34.2 N 135.3 E2 No tsunami alerts
04:39 JST 21 Aug 2014 Tokaido Nampo-oki 310 km 5.3 33.3 N 138.4 E2 No tsunami alerts
19:22 JST 21 Aug 2014 Amakusa-nada very shallow 3.2 32.1 N 129.8 E1 No tsunami alerts
20:59 JST 21 Aug 2014 Iwate-ken Oki 30 km 3.8 39.0 N 142.4 E1 No tsunami alerts
21:46 JST 21 Aug 2014 Shizuoka-ken Chubu 20 km 3.1 35.0 N 138.4 E2 No tsunami alerts
08:45 JST 22 Aug 2014 Ariake-kai 10 km 2.3 32.9 N 130.4 E1 No tsunami alerts
03:36 JST 23 Aug 2014 Ibaraki-ken Oki 40 km 3.5 36.4 N 140.9 E1 No tsunami alerts
15:36 JST 23 Aug 2014 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.7 E1 No tsunami alerts
17:34 JST 23 Aug 2014 Tochigi-ken Hokubu 10 km 2.7 36.6 N 139.4 E1 No tsunami alerts
03:33 JST 24 Aug 2014 Ibaraki-ken Oki 20 km 4.1 36.7 N 141.1 E2 No tsunami alerts
04:18 JST 24 Aug 2014 Ibaraki-ken Oki 20 km 3.6 36.7 N 141.1 E1 No tsunami alerts
04:31 JST 24 Aug 2014 Miyagi-ken Oki 40 km 3.6 38.7 N 142.2 E1 No tsunami alerts
05:50 JST 24 Aug 2014 Hokkaido Toho-oki 40 km 4.0 43.3 N 146.8 E1 No tsunami alerts
10:57 JST 24 Aug 2014 Gifu-ken Mino-chuseibu 10 km 3.4 35.2 N 136.6 E3 No tsunami alerts
14:10 JST 24 Aug 2014 Gifu-ken Mino-chuseibu 10 km 2.9 35.2 N 136.6 E1 No tsunami alerts
17:27 JST 24 Aug 2014 Ibaraki-ken Nambu 80 km 4.3 36.1 N 139.8 E4 No tsunami alerts
05:30 JST 25 Aug 2014 Fukushima-ken Oki 40 km 4.2 37.7 N 141.8 E2 No tsunami alerts
09:53 JST 25 Aug 2014 Iburi-chiho Chutobu very shallow 2.6 42.6 N 141.3 E1 No tsunami alerts
11:13 JST 25 Aug 2014 Amami-oshima Hokusei-oki 10 km 4.4 28.1 N 128.2 E1 No tsunami alerts
13:44 JST 25 Aug 2014 Osaka-wan 10 km 2.6 34.4 N 134.9 E1 No tsunami alerts
13:46 JST 25 Aug 2014 Osaka-wan 10 km 3.3 34.4 N 134.9 E2 No tsunami alerts
16:31 JST 25 Aug 2014 Tokara-retto Kinkai 90 km 4.4 29.9 N 130.0 E1 No tsunami alerts
19:44 JST 25 Aug 2014 Shimane-ken Tobu 10 km 3.1 35.4 N 133.3 E2 No tsunami alerts
20:04 JST 25 Aug 2014 Iwate-ken Oki 50 km 3.8 39.6 N 142.1 E2 No tsunami alerts
21:01 JST 25 Aug 2014 Fukushima-ken Hamadori 10 km 3.2 37.0 N 140.7 E1 No tsunami alerts
03:42 JST 26 Aug 2014 Osaka-wan 10 km 4.1 34.4 N 134.9 E3 No tsunami alerts
03:46 JST 26 Aug 2014 Osaka-wan 10 km 3.0 34.4 N 134.9 E1 No tsunami alerts
04:51 JST 26 Aug 2014 Iwate-ken Engan-hokubu 60 km 3.8 39.8 N 141.8 E2 No tsunami alerts
05:51 JST 26 Aug 2014 Osaka-wan 10 km 2.6 34.4 N 134.9 E1 No tsunami alerts
10:34 JST 26 Aug 2014 Tokachi Oki 20 km 3.8 41.7 N 143.6 E1 No tsunami alerts
11:23 JST 26 Aug 2014 Tochigi-ken Nambu 110 km 4.4 36.5 N 140.2 E3 No tsunami alerts
12:36 JST 26 Aug 2014 Iwate-ken Oki 60 km 4.2 39.1 N 142.3 E3 No tsunami alerts
13:11 JST 26 Aug 2014 Nagano-ken Nambu 10 km 1.8 36.0 N 137.6 E1 No tsunami alerts
16:39 JST 26 Aug 2014 Ibaraki-ken Nambu 70 km 3.3 36.1 N 140.2 E1 No tsunami alerts
22:41 JST 26 Aug 2014 Gifu-ken Mino-chuseibu 10 km 2.5 35.2 N 136.6 E1 No tsunami alerts
01:01 JST 27 Aug 2014 Miyagi-ken Oki 50 km 3.1 38.5 N 141.7 E1 No tsunami alerts
02:44 JST 27 Aug 2014 Gifu-ken Mino-chuseibu 10 km 2.7 35.2 N 136.6 E1 No tsunami alerts
04:49 JST 27 Aug 2014 Miyagi-ken Oki 60 km 3.8 38.2 N 141.9 E2 No tsunami alerts
12:37 JST 27 Aug 2014 Fukushima-ken Aizu very shallow 2.1 37.0 N 139.4 E1 No tsunami alerts
13:49 JST 27 Aug 2014 Aomori-ken Toho-oki 10 km 5.4 41.0 N 143.3 E2 No tsunami alerts
15:44 JST 27 Aug 2014 Ibaraki-ken Oki 20 km 4.3 36.7 N 141.1 E2 No tsunami alerts
01:45 JST 28 Aug 2014 Ibaraki-ken Hokubu 60 km 3.6 36.5 N 140.6 E2 No tsunami alerts
03:05 JST 28 Aug 2014 Niigata-ken Jochuetsu-oki 20 km 2.4 37.5 N 138.6 E1 No tsunami alerts
07:45 JST 28 Aug 2014 Fukushima-ken Oki 40 km 4.1 37.6 N 141.8 E1 No tsunami alerts
16:03 JST 28 Aug 2014 Iyo-nada 50 km 2.8 33.5 N 132.3 E1 No tsunami alerts
22:41 JST 28 Aug 2014 Chiba-ken Toho-oki 10 km 3.6 35.7 N 141.0 E1 No tsunami alerts
01:30 JST 29 Aug 2014 Hyuga-nada very shallow 4.3 32.1 N 132.1 E2 No tsunami alerts
04:14 JST 29 Aug 2014 Hyuga-nada very shallow 6.1 32.1 N 132.2 E4  
04:14 JST 29 Aug 2014 Hyuga-nada very shallow 6.1 32.1 N 132.2 E4 Intensity correction
04:32 JST 29 Aug 2014 Hyuga-nada very shallow 4.5 32.1 N 132.1 E2 No tsunami alerts
06:29 JST 29 Aug 2014 Hyuga-nada very shallow 3.7 32.1 N 132.1 E1 No tsunami alerts
06:55 JST 29 Aug 2014 Hyuga-nada very shallow 4.0 32.1 N 132.1 E1 No tsunami alerts
13:05 JST 29 Aug 2014 Ibaraki-ken Hokubu 60 km 3.7 36.5 N 140.6 E2 No tsunami alerts
16:35 JST 29 Aug 2014 Fukushima-ken Oki 20 km 5.0 36.9 N 141.4 E3 No tsunami alerts
17:45 JST 29 Aug 2014 Kumamoto-ken Kumamoto-chiho 10 km 2.3 32.8 N 130.8 E1 No tsunami alerts
18:19 JST 29 Aug 2014 Ibaraki-ken Hokubu 10 km 4.1 36.7 N 140.7 E4 No tsunami alerts
18:47 JST 29 Aug 2014 Hyuga-nada very shallow 3.6 32.1 N 132.1 E1 No tsunami alerts
19:23 JST 29 Aug 2014 Hyuga-nada 10 km 3.8 32.1 N 132.1 E1 No tsunami alerts
02:56 JST 30 Aug 2014 Miyagi-ken Hokubu 60 km 3.1 38.9 N 141.6 E1 No tsunami alerts
04:17 JST 30 Aug 2014 Hyuga-nada very shallow 3.9 32.2 N 132.1 E1 No tsunami alerts
04:55 JST 30 Aug 2014 Ibaraki-ken Oki 10 km 2.9 36.6 N 140.7 E1 No tsunami alerts
05:04 JST 30 Aug 2014 Ibaraki-ken Oki 40 km 3.9 36.6 N 141.4 E2 No tsunami alerts
08:33 JST 30 Aug 2014 Kushiro Oki 60 km 4.1 42.6 N 144.1 E2 No tsunami alerts
15:41 JST 30 Aug 2014 Shiga-ken Hokubu 10 km 2.9 35.4 N 135.9 E2 No tsunami alerts
16:11 JST 30 Aug 2014 Shiga-ken Hokubu 10 km 3.2 35.4 N 135.9 E2 No tsunami alerts
16:26 JST 30 Aug 2014 Kanagawa-ken Seibu 20 km 2.9 35.4 N 139.0 E1 No tsunami alerts
22:57 JST 30 Aug 2014 Osaka-wan 10 km 2.8 34.4 N 134.9 E1 No tsunami alerts
01:38 JST 31 Aug 2014 Amami-oshima Kinkai 40 km 3.0 28.0 N 128.8 E1 No tsunami alerts
05:42 JST 31 Aug 2014 Fukushima-ken Oki 30 km 4.3 37.7 N 142.1 E1 No tsunami alerts
05:44 JST 31 Aug 2014 Fukushima-ken Oki 50 km 4.2 37.1 N 141.2 E3 No tsunami alerts
06:37 JST 31 Aug 2014 Aomori-ken Toho-oki 60 km 3.0 41.0 N 142.0 E1 No tsunami alerts
08:31 JST 31 Aug 2014 Seto-naikai Chubu 10 km 3.1 34.1 N 133.3 E1 No tsunami alerts
14:19 JST 31 Aug 2014 Gifu-ken Hida-chiho very shallow 2.9 35.7 N 137.1 E2 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