J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
00:24 JST 01 Sep 2015 Wakayama-ken Hokubu 10 km 3.2 34.0 N 135.3 E1 No tsunami alerts
00:29 JST 01 Sep 2015 Shizuoka-ken Seibu 10 km 4.2 34.6 N 138.2 E3 No tsunami alerts
04:11 JST 01 Sep 2015 Nagano-ken Chubu 10 km 2.7 36.4 N 138.0 E1 No tsunami alerts
09:22 JST 01 Sep 2015 Mutsu-wan 10 km 2.4 41.1 N 140.9 E1 No tsunami alerts
17:51 JST 01 Sep 2015 Chiba-ken Hokuseibu 80 km 3.4 35.6 N 140.2 E1 No tsunami alerts
18:40 JST 01 Sep 2015 Hokkaido Hokusei-oki 10 km 2.8 44.4 N 141.7 E3 No tsunami alerts
19:24 JST 01 Sep 2015 Ehime-ken Nan-yo 10 km 3.1 33.0 N 132.6 E1 No tsunami alerts
16:07 JST 02 Sep 2015 Shikoku Oki 10 km 4.6 33.2 N 134.7 E2 No tsunami alerts
16:17 JST 02 Sep 2015 Ibaraki-ken Nambu 50 km 3.9 36.2 N 140.0 E2 No tsunami alerts
17:07 JST 02 Sep 2015 Nemuro-hanto Nanto-oki 50 km 3.1 43.2 N 145.9 E1 No tsunami alerts
17:09 JST 02 Sep 2015 Hokkaido Toho-oki very shallow 4.2 43.7 N 147.8 E1 No tsunami alerts
17:24 JST 02 Sep 2015 Hokkaido Toho-oki very shallow 4.2 43.7 N 147.7 E1 No tsunami alerts
22:11 JST 02 Sep 2015 Nagano-ken Chubu 10 km 2.3 36.1 N 137.6 E1 No tsunami alerts
22:56 JST 02 Sep 2015 Izu-ohshima Kinkai very shallow 3.6 34.8 N 139.3 E2 No tsunami alerts
23:19 JST 02 Sep 2015 Izu-ohshima Kinkai 10 km 2.5 34.8 N 139.3 E1 No tsunami alerts
14:02 JST 03 Sep 2015 Chiba-ken Toho-oki 10 km 3.3 35.6 N 141.0 E1 No tsunami alerts
01:52 JST 04 Sep 2015 Fukushima-ken Oki 10 km 5.0 37.2 N 143.3 E2 No tsunami alerts
02:36 JST 04 Sep 2015 Wakayama-ken Hokubu very shallow 1.8 34.2 N 135.2 E1 No tsunami alerts
04:52 JST 04 Sep 2015 Hachijojima Toho-oki 110 km 4.8 33.5 N 140.0 E2 No tsunami alerts
06:04 JST 04 Sep 2015 Miyagi-ken Oki 80 km 3.8 38.8 N 141.6 E2 No tsunami alerts
06:14 JST 04 Sep 2015 Fukushima-ken Aizu 10 km 2.4 37.0 N 139.4 E1 No tsunami alerts
07:19 JST 04 Sep 2015 Sanriku Oki 10 km 4.7 39.6 N 143.6 E1 No tsunami alerts
13:49 JST 04 Sep 2015 Amami-oshima Hokuto-oki 10 km 5.4 29.3 N 130.6 E3 No tsunami alerts
11:28 JST 05 Sep 2015 Aomori-ken Shimokita-chiho 10 km 2.4 41.3 N 141.3 E2 No tsunami alerts
12:13 JST 05 Sep 2015 Miyagi-ken Oki 50 km 4.5 38.5 N 141.8 E2 No tsunami alerts
13:18 JST 05 Sep 2015 Miyagi-ken Oki 40 km 4.4 38.7 N 142.2 E2 No tsunami alerts
13:27 JST 05 Sep 2015 Miyagi-ken Oki 40 km 3.8 38.7 N 142.1 E1 No tsunami alerts
17:50 JST 05 Sep 2015 Nagano-ken Chubu 10 km 2.5 36.4 N 138.1 E1 No tsunami alerts
19:35 JST 05 Sep 2015 Ibaraki-ken Oki 40 km 3.8 35.9 N 141.0 E1 No tsunami alerts
03:26 JST 06 Sep 2015 Fukushima-ken Hamadori 100 km 3.6 36.9 N 140.7 E2 No tsunami alerts
08:53 JST 06 Sep 2015 Fukushima-ken Hamadori 10 km 3.9 37.0 N 140.6 E2 No tsunami alerts
11:00 JST 06 Sep 2015 Iwate-ken Oki 50 km 3.5 39.6 N 142.1 E1 No tsunami alerts
11:04 JST 06 Sep 2015 Ishikawa-ken Seiho-oki 10 km 4.2 36.5 N 136.2 E3 No tsunami alerts
11:49 JST 06 Sep 2015 Ibaraki-ken Nambu 60 km 3.1 36.2 N 140.1 E1 No tsunami alerts
13:02 JST 06 Sep 2015 Oshima-chiho Tobu 10 km 2.6 42.1 N 140.5 E2 No tsunami alerts
00:23 JST 07 Sep 2015 Ishigakijima Kinkai 50 km 4.4 24.3 N 124.1 E1 No tsunami alerts
01:00 JST 07 Sep 2015 Kumamoto-ken Kumamoto-chiho very shallow 2.0 32.9 N 130.8 E1 No tsunami alerts
01:45 JST 07 Sep 2015 Fukushima-ken Oki 50 km 4.1 37.0 N 141.3 E2 No tsunami alerts
11:33 JST 07 Sep 2015 Iwate-ken Oki 30 km 4.0 39.0 N 142.4 E1 No tsunami alerts
13:44 JST 07 Sep 2015 Kyoto-fu Nambu 10 km 2.8 35.2 N 135.5 E1 No tsunami alerts
18:47 JST 07 Sep 2015 Chiba-ken Toho-oki 10 km 3.1 35.6 N 141.0 E1 No tsunami alerts
23:44 JST 07 Sep 2015 Ariake-kai 10 km 2.1 32.7 N 130.4 E1 No tsunami alerts
11:16 JST 08 Sep 2015 Fukushima-ken Oki 30 km 4.1 37.4 N 141.4 E2 No tsunami alerts
12:31 JST 08 Sep 2015 Niigata-ken Joetsu-chiho 20 km 2.9 37.0 N 138.4 E2 No tsunami alerts
20:22 JST 08 Sep 2015 Suruga-wan 30 km 4.9 34.7 N 138.5 E3 No tsunami alerts
20:46 JST 08 Sep 2015 Wakayama-ken Hokubu 10 km 2.4 34.2 N 135.2 E1 No tsunami alerts
21:22 JST 08 Sep 2015 Ibaraki-ken Oki 10 km 3.8 35.9 N 140.9 E1 No tsunami alerts
05:22 JST 09 Sep 2015 Ibaraki-ken Oki very shallow 3.4 35.9 N 140.9 E1 No tsunami alerts
13:45 JST 09 Sep 2015 Fukushima-ken Oki 40 km 3.9 37.8 N 141.9 E1 No tsunami alerts
16:56 JST 09 Sep 2015 Kyoto-fu Nambu 10 km 2.3 35.0 N 135.5 E1 No tsunami alerts
06:51 JST 10 Sep 2015 Chiba-ken Toho-oki 40 km 4.0 35.5 N 141.1 E1 No tsunami alerts
08:25 JST 11 Sep 2015 Ibaraki-ken Hokubu 10 km 2.8 36.8 N 140.6 E1 No tsunami alerts
09:08 JST 11 Sep 2015 Wakayama-ken Nambu 60 km 3.9 33.9 N 135.7 E2 No tsunami alerts
15:46 JST 11 Sep 2015 Nemuro-hanto Nanto-oki 50 km 4.2 43.1 N 146.0 E2 No tsunami alerts
02:22 JST 12 Sep 2015 Fukushima-ken Aizu very shallow 2.3 37.4 N 139.7 E1 No tsunami alerts
05:49 JST 12 Sep 2015 Tokyo-wan 70 km 5.3 35.5 N 139.8 E5 lower No tsunami alerts
05:49 JST 12 Sep 2015 Tokyo-wan 70 km 5.3 35.5 N 139.8 E5 lower Intensity correction
08:38 JST 12 Sep 2015 Iwate-ken Engan-nambu 70 km 3.7 39.1 N 141.8 E2 No tsunami alerts
11:45 JST 12 Sep 2015 Ibaraki-ken Oki 40 km 4.6 36.8 N 141.3 E3 No tsunami alerts
22:23 JST 12 Sep 2015 Nagano-ken Chubu 10 km 2.5 36.3 N 138.0 E1 No tsunami alerts
22:38 JST 12 Sep 2015 Urakawa Oki 50 km 5.4 41.8 N 142.7 E4 No tsunami alerts
00:18 JST 13 Sep 2015 Hiroshima-ken Hokubu 10 km 3.6 34.9 N 133.0 E2 No tsunami alerts
09:31 JST 13 Sep 2015 Miyagi-ken Oki 60 km 3.8 38.2 N 141.8 E1 No tsunami alerts
10:44 JST 13 Sep 2015 Nagano-ken Chubu 10 km 2.6 36.1 N 137.6 E1 No tsunami alerts
16:03 JST 13 Sep 2015 Hyuga-nada 20 km 3.5 32.1 N 132.1 E1 No tsunami alerts
20:27 JST 13 Sep 2015 Gifu-ken Hida-chiho 10 km 1.8 36.0 N 137.5 E1 No tsunami alerts
04:55 JST 14 Sep 2015 Iwate-ken Oki 50 km 3.8 39.2 N 142.3 E1 No tsunami alerts
12:48 JST 14 Sep 2015 Ogasawara-shoto Seiho-oki 10 km 4.5 26.9 N 140.9 E1 No tsunami alerts
20:50 JST 15 Sep 2015 Fukushima-ken Hamadori 80 km 3.8 37.4 N 140.9 E2 No tsunami alerts
23:28 JST 15 Sep 2015 Shiga-ken Nambu 10 km 3.0 35.1 N 136.0 E1 No tsunami alerts
04:31 JST 16 Sep 2015 Nagano-ken Chubu 10 km 2.7 36.3 N 138.0 E2 No tsunami alerts
04:37 JST 16 Sep 2015 Taiwan and its Vicinity 30 km 5.5 24.2 N 121.8 E1 No tsunami alerts
05:53 JST 16 Sep 2015 Ibaraki-ken Nambu 50 km 3.9 36.0 N 140.3 E3 No tsunami alerts
08:28 JST 17 Sep 2015 Nemuro-hanto Nanto-oki 50 km 3.3 43.1 N 146.0 E1 No tsunami alerts
15:50 JST 17 Sep 2015 Ibaraki-ken Oki 50 km 3.4 36.6 N 141.0 E1 No tsunami alerts
17:25 JST 17 Sep 2015 Sado Fukin 10 km 3.7 37.9 N 138.0 E1 No tsunami alerts
20:07 JST 17 Sep 2015 Yamagata-ken Okitama-chiho 10 km 3.4 38.1 N 140.0 E2 No tsunami alerts
23:50 JST 17 Sep 2015 Tochigi-ken Hokubu 10 km 2.8 36.9 N 139.8 E1 No tsunami alerts
01:43 JST 18 Sep 2015 Ishigakijima Kinkai 50 km 3.5 24.3 N 124.1 E1 No tsunami alerts
06:42 JST 18 Sep 2015 Aomori-ken Toho-oki 60 km 4.2 41.3 N 142.1 E2 Tsunami alert issued
08:46 JST 18 Sep 2015 Nagano-ken Chubu very shallow 2.7 36.3 N 138.0 E1 No tsunami alerts
16:46 JST 18 Sep 2015 Tanegashima Kinkai 10 km 3.1 30.3 N 131.0 E1 No tsunami alerts
21:41 JST 18 Sep 2015 Akita-ken Nairiku-nambu 10 km 2.7 39.9 N 140.7 E1 No tsunami alerts
05:05 JST 19 Sep 2015 Ibaraki-ken Oki 50 km 3.9 36.4 N 141.0 E2 No tsunami alerts
23:01 JST 19 Sep 2015 Kushiro-chiho Chunambu very shallow 4.0 43.5 N 144.1 E3 No tsunami alerts
09:17 JST 20 Sep 2015 Fukushima-ken Oki 50 km 3.5 36.9 N 141.1 E1 No tsunami alerts
17:30 JST 20 Sep 2015 Miyagi-ken Oki 60 km 3.9 38.3 N 141.8 E1 No tsunami alerts
10:48 JST 21 Sep 2015 Iwate-ken Oki 20 km 3.7 39.4 N 142.5 E1 No tsunami alerts
16:20 JST 21 Sep 2015 Ehime-ken Nan-yo 40 km 3.5 33.5 N 132.6 E1 No tsunami alerts
17:53 JST 21 Sep 2015 Tokara-retto Kinkai 10 km 3.1 29.6 N 129.9 E1 No tsunami alerts
19:15 JST 21 Sep 2015 Niigata-ken Chuetsu-chiho 30 km 2.3 37.3 N 138.9 E1 No tsunami alerts
05:55 JST 22 Sep 2015 Ibaraki-ken Nambu 70 km 3.5 36.1 N 140.1 E2 No tsunami alerts
16:00 JST 22 Sep 2015 Ibaraki-ken Oki 20 km 4.1 36.7 N 141.0 E2 No tsunami alerts
17:56 JST 22 Sep 2015 Ibaraki-ken Oki 10 km 4.3 36.7 N 141.0 E2 No tsunami alerts
21:53 JST 22 Sep 2015 Fukushima-ken Nakadori 10 km 2.8 37.1 N 140.5 E1 No tsunami alerts
04:11 JST 23 Sep 2015 Iwate-ken Oki 30 km 3.5 39.1 N 142.4 E1 No tsunami alerts
20:37 JST 23 Sep 2015 Miyagi-ken Oki 40 km 3.5 38.9 N 142.1 E1 No tsunami alerts
23:44 JST 23 Sep 2015 Tochigi-ken Nambu 70 km 3.7 36.4 N 140.0 E2 No tsunami alerts
15:02 JST 24 Sep 2015 Akita-ken Nairiku-hokubu 10 km 2.9 40.0 N 140.6 E2 No tsunami alerts
15:19 JST 24 Sep 2015 Akita-ken Nairiku-hokubu 10 km 3.7 40.0 N 140.5 E3 No tsunami alerts
19:05 JST 24 Sep 2015 Sanriku Oki 10 km 4.6 39.7 N 143.6 E1 No tsunami alerts
19:10 JST 24 Sep 2015 Iwate-ken Oki 40 km 3.8 39.4 N 142.1 E2 No tsunami alerts
19:58 JST 24 Sep 2015 Kyoto-fu Nambu 10 km 3.5 34.9 N 135.7 E2 No tsunami alerts
05:06 JST 25 Sep 2015 Miyagi-ken Oki 50 km 4.1 38.6 N 141.8 E3 No tsunami alerts
05:59 JST 25 Sep 2015 Kanagawa-ken Seibu very shallow 1.6 35.2 N 139.0 E1 No tsunami alerts
06:07 JST 25 Sep 2015 Aomori-ken Toho-oki 50 km 3.7 40.9 N 142.2 E1 No tsunami alerts
23:58 JST 25 Sep 2015 Wakayama-ken Hokubu very shallow 2.4 34.3 N 135.1 E1 No tsunami alerts
03:13 JST 26 Sep 2015 Fukuoka-ken Chikugo-chiho 10 km 3.3 33.1 N 130.4 E3 No tsunami alerts
07:31 JST 26 Sep 2015 Fukushima-ken Oki 50 km 3.9 36.9 N 141.2 E1 No tsunami alerts
18:50 JST 26 Sep 2015 Tomakomai Oki 90 km 4.4 42.2 N 141.9 E2 No tsunami alerts
20:22 JST 26 Sep 2015 Chiba-ken Toho-oki 20 km 4.2 35.8 N 141.0 E2 No tsunami alerts
21:26 JST 26 Sep 2015 Yamanashi-ken Tobu-Fujigoko 20 km 2.6 35.5 N 139.0 E1 No tsunami alerts
00:44 JST 27 Sep 2015 Okinawa-honto Kinkai 40 km 3.1 27.4 N 128.7 E1 No tsunami alerts
12:54 JST 27 Sep 2015 Ibaraki-ken Oki 40 km 3.4 36.1 N 141.0 E1 No tsunami alerts
05:40 JST 28 Sep 2015 Kumamoto-ken Kumamoto-chiho 10 km 2.1 33.0 N 130.9 E1 No tsunami alerts
09:48 JST 28 Sep 2015 Chiba-ken Hokuseibu 80 km 3.6 35.6 N 140.1 E1 No tsunami alerts
10:40 JST 28 Sep 2015 Ibaraki-ken Nambu 50 km 3.1 36.1 N 140.2 E1 No tsunami alerts
12:04 JST 28 Sep 2015 Chiba-ken Toho-oki 10 km 4.1 35.8 N 141.0 E2 No tsunami alerts
13:10 JST 28 Sep 2015 Miyagi-ken Oki 70 km 3.5 38.2 N 141.2 E1 No tsunami alerts
01:34 JST 29 Sep 2015 Iwate-ken Oki 50 km 4.0 39.6 N 142.1 E2 No tsunami alerts
10:21 JST 29 Sep 2015 Nagano-ken Chubu very shallow 3.1 36.1 N 137.6 E2 No tsunami alerts
13:24 JST 29 Sep 2015 Tanegashima Nanto-oki 20 km 4.3 30.1 N 131.4 E1 No tsunami alerts
17:47 JST 29 Sep 2015 Sanriku Oki 10 km 5.0 40.3 N 143.8 E1 No tsunami alerts
20:04 JST 29 Sep 2015 Nagano-ken Nambu very shallow 2.6 35.9 N 137.7 E1 No tsunami alerts
20:36 JST 29 Sep 2015 Sanriku Oki 10 km 4.7 39.4 N 144.0 E1 No tsunami alerts
01:50 JST 30 Sep 2015 Aomori-ken Toho-oki 90 km 3.0 40.8 N 141.5 E1 No tsunami alerts
11:53 JST 30 Sep 2015 Miyagi-ken Oki 70 km 4.1 38.5 N 141.9 E2 No tsunami alerts
21:35 JST 30 Sep 2015 Yonagunijima Kinkai 50 km 3.7 24.3 N 123.0 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