J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
05:16 JST 01 May 2015 Niigata-ken Chuetsu-chiho 20 km 2.4 37.0 N 138.7 E2 No tsunami alerts
14:05 JST 01 May 2015 Akita-ken Nairiku-nambu 20 km 2.9 39.6 N 140.6 E1 No tsunami alerts
15:34 JST 01 May 2015 Iwate-ken Oki 40 km 4.1 39.1 N 142.3 E2 No tsunami alerts
23:41 JST 01 May 2015 Fukushima-ken Aizu very shallow 2.1 37.0 N 139.4 E1 No tsunami alerts
01:57 JST 02 May 2015 Aomori-ken Toho-oki 10 km 4.8 40.9 N 143.3 E2 No tsunami alerts
02:48 JST 02 May 2015 Aomori-ken Toho-oki very shallow 4.3 40.9 N 143.1 E1 No tsunami alerts
14:59 JST 02 May 2015 Miyagi-ken Oki 50 km 4.0 38.9 N 141.9 E2 No tsunami alerts
16:36 JST 02 May 2015 Aomori-ken Sampachi-Kamikita-chiho 80 km 2.9 40.6 N 141.4 E1 No tsunami alerts
13:03 JST 03 May 2015 Fukushima-ken Oki 40 km 4.8 37.5 N 141.6 E3 No tsunami alerts
15:54 JST 03 May 2015 Ibaraki-ken Nambu 50 km 4.4 36.1 N 139.9 E3 No tsunami alerts
17:54 JST 03 May 2015 Fukushima-ken Nakadori 10 km 3.3 37.1 N 140.6 E1 No tsunami alerts
18:58 JST 03 May 2015 Miyagi-ken Oki 50 km 3.7 38.6 N 141.9 E1 No tsunami alerts
21:21 JST 03 May 2015 Tanegashima Kinkai 30 km 3.2 30.6 N 131.2 E1 No tsunami alerts
22:09 JST 03 May 2015 Yonagunijima Kinkai 20 km 4.8 24.0 N 122.4 E1 No tsunami alerts
22:06 JST 03 May 2015 Kumamoto-ken Aso-chiho very shallow 2.0 32.9 N 131.1 E1 No tsunami alerts
23:30 JST 03 May 2015 Gumma-ken Nambu 140 km 4.5 36.1 N 138.7 E2 No tsunami alerts
10:42 JST 04 May 2015 Iwate-ken Oki 20 km 3.7 39.3 N 141.9 E2 No tsunami alerts
17:13 JST 04 May 2015 Urakawa Oki 40 km 4.1 41.7 N 142.8 E1 No tsunami alerts
01:40 JST 05 May 2015 Kanagawa-ken Tobu 30 km 2.3 35.4 N 139.4 E1 No tsunami alerts
06:22 JST 05 May 2015 Shizuoka-ken Tobu 10 km 2.0 35.3 N 139.0 E1 No tsunami alerts
06:56 JST 05 May 2015 Shizuoka-ken Tobu 10 km 2.4 35.3 N 139.0 E1 No tsunami alerts
15:41 JST 05 May 2015 Ibaraki-ken Hokubu 10 km 3.4 36.8 N 140.6 E1 No tsunami alerts
16:10 JST 05 May 2015 Ibaraki-ken Hokubu 10 km 3.3 36.8 N 140.6 E1 No tsunami alerts
16:26 JST 05 May 2015 Shiga-ken Hokubu 10 km 2.8 35.3 N 135.9 E1 No tsunami alerts
21:13 JST 05 May 2015 Kanagawa-ken Seibu very shallow 2.6 35.2 N 139.0 E1 No tsunami alerts
09:44 JST 06 May 2015 Fukushima-ken Oki 40 km 3.5 37.4 N 141.6 E1 No tsunami alerts
22:41 JST 06 May 2015 Nagano-ken Hokubu very shallow 2.8 36.8 N 137.9 E2 No tsunami alerts
23:49 JST 06 May 2015 Miyagi-ken Oki 60 km 4.1 38.5 N 141.9 E2 No tsunami alerts
01:46 JST 07 May 2015 Ise-wan 10 km 2.2 35.0 N 136.7 E1 No tsunami alerts
02:48 JST 07 May 2015 Tokyo-to Nijusan-ku 30 km 2.9 35.7 N 139.7 E2 No tsunami alerts
14:32 JST 07 May 2015 Okinawa-honto Kinkai 50 km 3.8 26.4 N 127.4 E2 No tsunami alerts
12:58 JST 08 May 2015 Kumamoto-ken Aso-chiho 10 km 1.7 32.8 N 131.1 E3 No tsunami alerts
15:29 JST 08 May 2015 Miyagi-ken Oki 40 km 4.4 38.6 N 142.4 E2 No tsunami alerts
16:51 JST 08 May 2015 Chiba-ken Nambu 50 km 3.5 35.4 N 140.0 E2 No tsunami alerts
20:38 JST 08 May 2015 Ibaraki-ken Oki 30 km 3.4 36.3 N 141.0 E1 No tsunami alerts
04:15 JST 10 May 2015 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E2 No tsunami alerts
17:00 JST 10 May 2015 Kanagawa-ken Seibu very shallow 2.2 35.2 N 139.1 E1 No tsunami alerts
17:40 JST 10 May 2015 Okinawa-honto Kinkai 30 km 2.8 26.1 N 127.5 E1 No tsunami alerts
17:53 JST 10 May 2015 Kanagawa-ken Seibu very shallow 2.0 35.2 N 139.0 E1 No tsunami alerts
18:07 JST 10 May 2015 Kanagawa-ken Seibu very shallow 3.1 35.2 N 139.0 E2 No tsunami alerts
18:15 JST 10 May 2015 Kanagawa-ken Seibu very shallow 1.9 35.2 N 139.0 E1 No tsunami alerts
18:22 JST 10 May 2015 Kanagawa-ken Seibu very shallow 1.4 35.2 N 139.0 E1 No tsunami alerts
19:39 JST 10 May 2015 Kanagawa-ken Seibu very shallow 2.3 35.2 N 139.0 E1 No tsunami alerts
22:39 JST 10 May 2015 Gumma-ken Nambu very shallow 3.0 36.3 N 138.9 E2 No tsunami alerts
03:16 JST 11 May 2015 Tochigi-ken Hokubu 10 km 3.0 36.9 N 139.8 E2 No tsunami alerts
14:15 JST 11 May 2015 Kanagawa-ken Seibu very shallow 1.3 35.2 N 139.0 E1 No tsunami alerts
20:37 JST 11 May 2015 Akita-ken Nairiku-nambu 10 km 3.1 39.9 N 140.8 E1 No tsunami alerts
05:07 JST 12 May 2015 Tokachi-chiho Nambu 70 km 3.7 42.5 N 142.9 E1 No tsunami alerts
07:10 JST 12 May 2015 Okinawa-honto Kinkai 10 km 3.8 27.1 N 127.8 E1 No tsunami alerts
11:31 JST 12 May 2015 Urakawa Oki 60 km 3.8 42.0 N 142.6 E1 No tsunami alerts
14:03 JST 12 May 2015 Kanagawa-ken Seibu very shallow 2.1 35.2 N 139.0 E1 No tsunami alerts
16:52 JST 12 May 2015 Miyagi-ken Oki 10 km 4.4 37.9 N 142.7 E1 No tsunami alerts
17:24 JST 12 May 2015 Nagano-ken Hokubu 10 km 2.9 36.8 N 138.0 E2 No tsunami alerts
19:32 JST 12 May 2015 Chiba-ken Nambu 40 km 3.5 35.2 N 139.9 E1 No tsunami alerts
02:36 JST 13 May 2015 Wakayama-ken Hokubu 10 km 3.0 34.1 N 135.2 E2 No tsunami alerts
06:13 JST 13 May 2015 Miyagi-ken Oki 50 km 6.6 38.9 N 142.1 E5 upper No tsunami alerts
11:19 JST 13 May 2015 Nagano-ken Hokubu very shallow 2.4 36.7 N 137.9 E2 No tsunami alerts
11:47 JST 13 May 2015 Iriomotejima Fukin 30 km 4.4 24.0 N 123.6 E2 No tsunami alerts
22:45 JST 13 May 2015 Ibaraki-ken Hokubu 50 km 4.2 36.6 N 140.5 E3 No tsunami alerts
23:10 JST 13 May 2015 Tanegashima Kinkai 150 km 3.8 30.9 N 130.2 E1 No tsunami alerts
06:17 JST 14 May 2015 Chiba-ken Toho-oki 30 km 3.6 35.7 N 141.1 E1 No tsunami alerts
09:33 JST 14 May 2015 Abashiri Oki 10 km 3.9 44.3 N 144.1 E1 No tsunami alerts
10:12 JST 14 May 2015 Iwate-ken Oki 30 km 4.0 39.2 N 142.5 E1 No tsunami alerts
10:51 JST 14 May 2015 Abashiri Oki 10 km 4.3 44.3 N 144.1 E2 No tsunami alerts
04:11 JST 15 May 2015 Ibaraki-ken Oki 40 km 3.7 36.4 N 141.0 E1 No tsunami alerts
11:47 JST 15 May 2015 Kanagawa-ken Seibu very shallow 2.4 35.2 N 139.0 E1 No tsunami alerts
12:30 JST 15 May 2015 Fukushima-ken Oki 50 km 5.1 37.1 N 141.2 E4 No tsunami alerts
14:03 JST 15 May 2015 Kanagawa-ken Seibu very shallow 2.7 35.2 N 139.0 E1 No tsunami alerts
14:23 JST 15 May 2015 Shizuoka-ken Tobu very shallow 1.7 35.3 N 139.0 E1 No tsunami alerts
17:25 JST 15 May 2015 Ibaraki-ken Nambu 50 km 2.9 36.0 N 140.3 E1 No tsunami alerts
18:40 JST 15 May 2015 Miyagi-ken Oki 40 km 3.9 38.8 N 142.2 E1 No tsunami alerts
20:25 JST 15 May 2015 Kanagawa-ken Seibu very shallow 1.9 35.2 N 139.0 E1 No tsunami alerts
21:00 JST 15 May 2015 Shizuoka-ken Tobu very shallow 2.3 35.3 N 139.0 E1 No tsunami alerts
00:42 JST 16 May 2015 Yamaguchi-ken Hokusei-oki 10 km 3.0 34.1 N 130.8 E1 No tsunami alerts
02:30 JST 16 May 2015 Ibaraki-ken Hokubu 10 km 2.9 36.8 N 140.6 E1 No tsunami alerts
22:34 JST 16 May 2015 Tokushima-ken Nambu 10 km 2.8 33.8 N 134.3 E1 No tsunami alerts
02:42 JST 17 May 2015 Abashiri Oki 10 km 3.4 44.3 N 144.1 E1 No tsunami alerts
03:59 JST 17 May 2015 Suruga-wan 20 km 3.0 34.6 N 138.6 E1 No tsunami alerts
05:40 JST 17 May 2015 Miyagi-ken Oki 40 km 4.0 38.8 N 142.1 E2 No tsunami alerts
06:41 JST 17 May 2015 Iwate-ken Engan-hokubu 20 km 4.4 39.7 N 141.9 E3 No tsunami alerts
08:29 JST 17 May 2015 Tokachi Oki 60 km 3.6 42.5 N 143.6 E1 No tsunami alerts
10:48 JST 17 May 2015 Ibaraki-ken Hokubu 60 km 3.1 36.4 N 140.6 E1 No tsunami alerts
01:02 JST 18 May 2015 Rumoi-chiho Chuhokubu very shallow 1.8 44.3 N 141.7 E1 No tsunami alerts
01:33 JST 18 May 2015 Tokaido Nampo-oki 10 km 4.6 32.0 N 138.3 E1 No tsunami alerts
02:28 JST 18 May 2015 Hokkaido Toho-oki 50 km 3.8 43.3 N 146.7 E1 No tsunami alerts
10:15 JST 18 May 2015 Mombetsu-chiho very shallow 2.6 43.7 N 143.2 E1 No tsunami alerts
11:51 JST 18 May 2015 Kanagawa-ken Seibu very shallow 2.7 35.2 N 139.0 E1 No tsunami alerts
06:05 JST 19 May 2015 Ibaraki-ken Hokubu 10 km 3.5 36.7 N 140.6 E3 No tsunami alerts
06:07 JST 19 May 2015 Ibaraki-ken Hokubu 10 km 3.3 36.7 N 140.6 E1 No tsunami alerts
12:33 JST 19 May 2015 Hyuga-nada 20 km 3.2 31.9 N 131.9 E1 No tsunami alerts
15:13 JST 19 May 2015 Niijima-Kozushima Kinkai 10 km 3.9 34.5 N 139.2 E3 No tsunami alerts
00:17 JST 20 May 2015 Iwate-ken Oki 40 km 3.6 39.1 N 142.5 E1 No tsunami alerts
02:17 JST 20 May 2015 Miyagi-ken Oki 50 km 4.0 38.9 N 142.0 E2 No tsunami alerts
11:04 JST 20 May 2015 Miyagi-ken Oki 60 km 3.6 38.5 N 141.7 E1 No tsunami alerts
19:06 JST 20 May 2015 Ibaraki-ken Oki 10 km 3.8 36.0 N 141.1 E1 No tsunami alerts
21:18 JST 20 May 2015 Miyagi-ken Oki 50 km 3.8 38.2 N 141.7 E1 No tsunami alerts
22:07 JST 20 May 2015 Chiba-ken Toho-oki 30 km 3.6 35.4 N 140.4 E3 No tsunami alerts
00:50 JST 21 May 2015 Miyagi-ken Oki 40 km 4.2 38.7 N 142.3 E2 No tsunami alerts
01:25 JST 21 May 2015 Chiba-ken Hokuseibu 80 km 3.5 35.7 N 140.2 E1 No tsunami alerts
04:08 JST 21 May 2015 Gumma-ken Hokubu very shallow 2.6 36.6 N 139.3 E1 No tsunami alerts
05:09 JST 21 May 2015 Miyagi-ken Oki 40 km 3.7 38.7 N 142.3 E1 No tsunami alerts
13:48 JST 21 May 2015 Miyagi-ken Oki 50 km 3.7 38.9 N 141.9 E1 No tsunami alerts
17:08 JST 21 May 2015 Nagano-ken Hokubu very shallow 1.8 36.6 N 138.1 E2 No tsunami alerts
22:40 JST 21 May 2015 Wakayama-ken Hokubu 10 km 3.3 34.2 N 135.4 E2 No tsunami alerts
10:08 JST 22 May 2015 Tomakomai Oki 130 km 3.9 41.9 N 141.3 E1 No tsunami alerts
14:44 JST 22 May 2015 Okinawa-honto Kinkai 50 km 3.7 26.7 N 127.8 E2 No tsunami alerts
22:28 JST 22 May 2015 Amami-oshima Kinkai 20 km 5.1 28.6 N 129.6 E5 lower No tsunami alerts
23:58 JST 22 May 2015 Fukushima-ken Oki 50 km 3.7 37.7 N 141.8 E1 No tsunami alerts
08:00 JST 23 May 2015 Tanegashima Kinkai very shallow 2.6 30.5 N 130.2 E3 No tsunami alerts
11:46 JST 23 May 2015 Okinawa-honto Kinkai 10 km 3.2 26.5 N 127.1 E1 No tsunami alerts
21:49 JST 23 May 2015 Urakawa Oki 70 km 3.6 42.2 N 142.5 E1 No tsunami alerts
00:42 JST 24 May 2015 Miyagi-ken Hokubu 10 km 2.8 38.9 N 140.9 E1 No tsunami alerts
03:37 JST 24 May 2015 Iwate-ken Engan-hokubu 10 km 3.2 39.5 N 141.7 E1 No tsunami alerts
06:23 JST 24 May 2015 Mie-ken Nanto-oki 30 km 3.0 34.0 N 136.3 E1 No tsunami alerts
06:41 JST 24 May 2015 Chiba-ken Toho-oki 10 km 4.1 35.6 N 141.1 E2 No tsunami alerts
10:18 JST 24 May 2015 Hyogo-ken Nantobu 10 km 2.7 34.8 N 135.4 E1 No tsunami alerts
20:59 JST 24 May 2015 Tokyo-wan 30 km 2.9 35.5 N 140.0 E2 No tsunami alerts
03:38 JST 25 May 2015 Fukushima-ken Aizu 10 km 1.8 37.0 N 139.4 E1 No tsunami alerts
05:58 JST 25 May 2015 Fukui-ken Reihoku very shallow 2.4 35.9 N 136.8 E1 No tsunami alerts
08:58 JST 25 May 2015 Fukushima-ken Oki 30 km 3.1 37.3 N 141.2 E1 No tsunami alerts
10:06 JST 25 May 2015 Chiba-ken Toho-oki 10 km 3.6 35.6 N 141.1 E1 No tsunami alerts
14:28 JST 25 May 2015 Saitama-ken Hokubu 50 km 5.6 36.1 N 139.6 E5 lower No tsunami alerts
14:28 JST 25 May 2015 Saitama-ken Hokubu 50 km 5.6 36.1 N 139.6 E5 lower Intensity correction
01:35 JST 26 May 2015 Hyuga-nada 20 km 4.3 31.8 N 132.0 E2 No tsunami alerts
07:09 JST 26 May 2015 Urakawa Oki 70 km 3.5 41.6 N 142.1 E1 No tsunami alerts
08:41 JST 26 May 2015 Ibaraki-ken Hokubu 100 km 3.5 36.4 N 140.5 E1 No tsunami alerts
09:20 JST 26 May 2015 Kii-suido 10 km 2.4 34.2 N 135.1 E1 No tsunami alerts
09:57 JST 26 May 2015 Yonagunijima Kinkai 10 km 4.8 23.9 N 122.4 E1 No tsunami alerts
19:47 JST 26 May 2015 Okinawa-honto Kinkai 20 km 3.6 26.9 N 128.5 E1 No tsunami alerts
07:23 JST 27 May 2015 Nagano-ken Hokubu 10 km 2.8 36.8 N 137.9 E1 No tsunami alerts
10:05 JST 27 May 2015 Chiba-ken Toho-oki 30 km 3.2 35.8 N 141.0 E1 No tsunami alerts
10:51 JST 27 May 2015 Satsuma-hanto Seiho-oki 150 km 4.1 31.2 N 130.4 E1 No tsunami alerts
10:58 JST 27 May 2015 Ibaraki-ken Oki 40 km 3.7 36.5 N 140.7 E2 No tsunami alerts
16:11 JST 27 May 2015 Fukuoka-ken Chikugo-chiho 10 km 4.0 33.0 N 130.5 E3 No tsunami alerts
19:10 JST 27 May 2015 Gifu-ken Mino-tobu 20 km 2.6 35.5 N 137.5 E1 No tsunami alerts
02:42 JST 28 May 2015 Osaka-fu Hokubu 10 km 3.6 34.6 N 135.5 E2 No tsunami alerts
02:58 JST 28 May 2015 Chichijima Kinkai 30 km 4.6 27.5 N 142.5 E1 No tsunami alerts
07:40 JST 28 May 2015 Shizuoka-ken Tobu very shallow 2.4 35.3 N 139.0 E1 No tsunami alerts
13:37 JST 28 May 2015 Nagano-ken Hokubu 20 km 2.5 36.8 N 138.5 E1 No tsunami alerts
16:57 JST 28 May 2015 Yonagunijima Kinkai 20 km 4.7 24.0 N 122.4 E1 No tsunami alerts
17:34 JST 28 May 2015 Tsugaru-kaikyo 10 km 2.5 41.4 N 141.4 E1 No tsunami alerts
01:08 JST 29 May 2015 Okinawa-honto Kinkai 10 km 3.2 26.4 N 126.9 E1 No tsunami alerts
02:51 JST 29 May 2015 Nagano-ken Hokubu 10 km 2.6 36.6 N 137.9 E2 No tsunami alerts
07:13 JST 29 May 2015 Chiba-ken Toho-oki 30 km 4.7 35.3 N 141.3 E2 No tsunami alerts
12:57 JST 29 May 2015 Hyuga-nada 40 km 3.3 32.8 N 132.1 E2 No tsunami alerts
16:05 JST 29 May 2015 Ibaraki-ken Oki 30 km 3.2 36.4 N 140.9 E1 No tsunami alerts
01:06 JST 30 May 2015 Ibaraki-ken Nambu 50 km 4.8 36.2 N 139.8 E4 No tsunami alerts
01:06 JST 30 May 2015 Ibaraki-ken Nambu 50 km 4.8 36.2 N 139.8 E4 Intensity correction
08:24 JST 30 May 2015 Miyagi-ken Oki 40 km 4.0 38.7 N 142.2 E1 No tsunami alerts
15:43 JST 30 May 2015 Tochigi-ken Hokubu 10 km 2.9 37.0 N 139.6 E1 No tsunami alerts
16:40 JST 30 May 2015 Kyoto-fu Nambu 10 km 3.0 35.1 N 135.7 E1 No tsunami alerts
20:08 JST 30 May 2015 Ibaraki-ken Hokubu 10 km 3.0 36.8 N 140.6 E1 No tsunami alerts
20:24 JST 30 May 2015 Ogasawara-shoto Seiho-oki 590 km 8.5 27.9 N 140.8 E5 upper No tsunami alerts
20:24 JST 30 May 2015 Ogasawara-shoto Seiho-oki 590 km 8.5 27.9 N 140.8 E5 upper Intensity correction
21:56 JST 30 May 2015 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.6 E1 No tsunami alerts
01:26 JST 31 May 2015 Shizuoka-ken Tobu very shallow 2.8 35.3 N 139.0 E2 No tsunami alerts
02:22 JST 31 May 2015 Iwoto Kinkai 70 km 5.6 25.3 N 140.5 E1 No tsunami alerts
03:49 JST 31 May 2015 Torishima Kinkai 10 km 6.3 30.7 N 143.0 E1 No tsunami alerts
07:50 JST 31 May 2015 Shizuoka-ken Tobu very shallow 2.3 35.3 N 139.0 E1 No tsunami alerts
16:53 JST 31 May 2015 Ibaraki-ken Nambu 50 km 3.0 36.2 N 139.8 E1 No tsunami alerts
17:14 JST 31 May 2015 Okinawa-honto Kinkai 60 km 3.6 26.1 N 127.0 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