J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
01:15 JST 01 Apr 2014 Ibaraki-ken Hokubu 10 km 3.6 36.7 N 140.7 E2 No tsunami alerts
01:57 JST 01 Apr 2014 Chiba-ken Toho-oki 10 km 3.3 35.8 N 141.0 E1 No tsunami alerts
04:43 JST 01 Apr 2014 Aki-nada 40 km 3.0 34.1 N 132.9 E1 No tsunami alerts
06:37 JST 01 Apr 2014 Ibaraki-ken Hokubu 10 km 3.8 36.7 N 140.7 E3 No tsunami alerts
07:17 JST 01 Apr 2014 Aomori-ken Toho-oki 50 km 3.6 41.5 N 142.0 E1 No tsunami alerts
07:36 JST 01 Apr 2014 Aomori-ken Toho-oki 20 km 4.0 40.7 N 142.6 E1 No tsunami alerts
08:02 JST 01 Apr 2014 Ibaraki-ken Oki 30 km 3.9 36.8 N 141.2 E2 No tsunami alerts
09:50 JST 01 Apr 2014 Iwate-ken Oki 40 km 3.8 39.2 N 142.5 E1 No tsunami alerts
11:32 JST 01 Apr 2014 Chichijima Kinkai 30 km 3.6 26.4 N 142.0 E1 No tsunami alerts
13:08 JST 01 Apr 2014 Miyagi-ken Oki 50 km 4.4 38.2 N 141.5 E3 No tsunami alerts
14:05 JST 01 Apr 2014 Iwate-ken Oki 50 km 3.7 39.9 N 142.2 E1 No tsunami alerts
00:37 JST 02 Apr 2014 Iwate-ken Oki 30 km 3.9 39.2 N 142.5 E1 No tsunami alerts
04:59 JST 02 Apr 2014 Nagano-ken Nambu 10 km 3.5 35.9 N 137.7 E3 No tsunami alerts
11:11 JST 02 Apr 2014 Ogasawara-shoto Seiho-oki 10 km 4.8 26.7 N 141.0 E1 No tsunami alerts
19:29 JST 02 Apr 2014 Fukushima-ken Hamadori 10 km 3.0 37.1 N 140.7 E1 No tsunami alerts
20:48 JST 02 Apr 2014 Ibaraki-ken Hokubu 10 km 2.7 36.7 N 140.6 E1 No tsunami alerts
21:48 JST 02 Apr 2014 Ibaraki-ken Hokubu 10 km 2.8 36.7 N 140.7 E1 No tsunami alerts
22:50 JST 02 Apr 2014 Ibaraki-ken Hokubu 20 km 3.1 36.8 N 140.6 E1 No tsunami alerts
00:38 JST 03 Apr 2014 Tokushima-ken Nambu 10 km 3.6 33.8 N 134.5 E2 No tsunami alerts
04:58 JST 03 Apr 2014 Fukushima-ken Aizu very shallow 2.6 37.5 N 139.8 E1 No tsunami alerts
05:54 JST 03 Apr 2014 Iwate-ken Oki 40 km 3.6 40.3 N 142.3 E1 Tsunami alert issued
08:22 JST 03 Apr 2014 Iwate-ken Engan-nambu 70 km 5.3 39.2 N 141.8 E4 Tsunami alert issued
08:26 JST 03 Apr 2014 Iwate-ken Oki 30 km 3.8 39.3 N 142.4 E1 Tsunami alert issued
09:47 JST 03 Apr 2014 Iwate-ken Engan-nambu 60 km 4.0 39.2 N 141.8 E2 No tsunami alerts
19:16 JST 03 Apr 2014 Wakayama-ken Hokubu very shallow 3.1 34.2 N 135.2 E2 No tsunami alerts
00:46 JST 04 Apr 2014 Hyuga-nada 30 km 4.3 32.6 N 132.1 E3 No tsunami alerts
03:47 JST 04 Apr 2014 Miyagi-ken Oki 40 km 3.8 38.3 N 142.1 E1 No tsunami alerts
06:20 JST 04 Apr 2014 Kyoto-fu Nambu 10 km 3.3 35.2 N 135.3 E2 No tsunami alerts
12:55 JST 04 Apr 2014 Kyoto-fu Nambu 10 km 3.5 35.0 N 135.7 E2 No tsunami alerts
14:12 JST 04 Apr 2014 Kushiro Oki 50 km 3.1 43.0 N 145.4 E1 No tsunami alerts
16:12 JST 04 Apr 2014 Iwate-ken Engan-nambu 60 km 3.2 39.2 N 141.8 E1 No tsunami alerts
19:12 JST 04 Apr 2014 Ibaraki-ken Hokubu 10 km 3.0 36.7 N 140.6 E1 No tsunami alerts
22:21 JST 04 Apr 2014 Kyoto-fu Nambu 10 km 2.4 35.1 N 135.5 E1 No tsunami alerts
03:24 JST 05 Apr 2014 Wakayama-ken Hokubu 10 km 2.7 34.2 N 135.3 E2 No tsunami alerts
10:09 JST 05 Apr 2014 Iwate-ken Engan-nambu 60 km 3.2 39.2 N 141.8 E1 No tsunami alerts
10:16 JST 05 Apr 2014 Iwate-ken Oki 40 km 5.2 39.2 N 142.4 E3 No tsunami alerts
15:16 JST 05 Apr 2014 Ibaraki-ken Hokubu 10 km 3.1 36.7 N 140.7 E1 No tsunami alerts
16:34 JST 05 Apr 2014 Gifu-ken Mino-chuseibu very shallow 3.1 35.7 N 136.8 E1 No tsunami alerts
23:19 JST 05 Apr 2014 Fukushima-ken Oki 40 km 3.5 37.5 N 141.6 E1 No tsunami alerts
01:24 JST 06 Apr 2014 Gifu-ken Mino-tobu 50 km 3.9 35.4 N 137.1 E2 No tsunami alerts
09:04 JST 06 Apr 2014 Ibaraki-ken Hokubu 10 km 2.9 36.7 N 140.6 E1 No tsunami alerts
15:33 JST 06 Apr 2014 Ishigakijima Kinkai 20 km 4.1 24.6 N 123.5 E1 No tsunami alerts
23:30 JST 06 Apr 2014 Ibaraki-ken Hokubu 50 km 3.1 36.4 N 140.6 E1 No tsunami alerts
01:00 JST 07 Apr 2014 Tottori-ken Seibu 20 km 3.0 35.2 N 133.4 E1 No tsunami alerts
13:07 JST 07 Apr 2014 Harima-nada 20 km 3.0 34.5 N 134.8 E2 No tsunami alerts
17:12 JST 07 Apr 2014 Amami-oshima Kinkai 30 km 4.5 28.8 N 129.9 E2 No tsunami alerts
03:36 JST 08 Apr 2014 Miyakojima Kinkai 40 km 3.6 24.9 N 125.7 E1 No tsunami alerts
03:42 JST 08 Apr 2014 Wakayama-ken Nampo-oki 30 km 3.6 33.5 N 135.6 E1 No tsunami alerts
05:08 JST 08 Apr 2014 Niigata-ken Chuetsu-chiho 10 km 4.5 37.4 N 139.0 E4 No tsunami alerts
05:52 JST 08 Apr 2014 Gumma-ken Nambu 10 km 2.6 36.5 N 139.4 E1 No tsunami alerts
16:55 JST 08 Apr 2014 Shiga-ken Nambu 10 km 2.8 35.2 N 136.0 E1 No tsunami alerts
18:19 JST 08 Apr 2014 Tosa-wan 30 km 3.7 33.4 N 134.0 E2 No tsunami alerts
21:49 JST 08 Apr 2014 Chiba-ken Toho-oki 60 km 3.6 35.4 N 140.5 E2 No tsunami alerts
23:11 JST 08 Apr 2014 Kyoto-fu Nambu 10 km 3.3 35.2 N 135.3 E2 No tsunami alerts
00:02 JST 09 Apr 2014 Ibaraki-ken Oki very shallow 4.9 36.3 N 141.9 E1 No tsunami alerts
15:11 JST 09 Apr 2014 Fukushima-ken Oki 20 km 3.5 37.3 N 141.2 E2 No tsunami alerts
15:44 JST 09 Apr 2014 Niijima-Kozushima Kinkai 10 km 2.4 34.4 N 139.2 E2 No tsunami alerts
16:05 JST 09 Apr 2014 Niijima-Kozushima Kinkai very shallow 2.1 34.4 N 139.2 E1 No tsunami alerts
18:24 JST 09 Apr 2014 Ibaraki-ken Oki 30 km 4.1 36.7 N 141.3 E2 No tsunami alerts
11:38 JST 10 Apr 2014 Yonagunijima Kinkai 50 km 4.8 23.7 N 123.0 E1 No tsunami alerts
13:17 JST 10 Apr 2014 Chiba-ken Hokuseibu 80 km 4.0 35.8 N 140.2 E2 No tsunami alerts
13:19 JST 10 Apr 2014 Chiba-ken Hokuseibu 80 km 4.1 35.8 N 140.1 E2 No tsunami alerts
17:31 JST 10 Apr 2014 Nagano-ken Chubu 10 km 2.7 36.2 N 138.0 E3 No tsunami alerts
23:52 JST 10 Apr 2014 Ibaraki-ken Oki very shallow 4.0 36.7 N 141.1 E1 No tsunami alerts
00:53 JST 11 Apr 2014 Miyagi-ken Oki 70 km 3.6 38.8 N 141.6 E2 No tsunami alerts
01:06 JST 11 Apr 2014 Hidaka-chiho Seibu 30 km 3.0 42.8 N 142.7 E1 No tsunami alerts
07:43 JST 11 Apr 2014 Hyogo-ken Nanseibu 10 km 3.7 35.0 N 134.6 E2 No tsunami alerts
12:10 JST 11 Apr 2014 Chiba-ken Toho-oki 10 km 4.2 35.6 N 140.9 E1 No tsunami alerts
12:45 JST 11 Apr 2014 Chiba-ken Toho-oki very shallow 4.2 35.6 N 141.0 E2 No tsunami alerts
16:19 JST 11 Apr 2014 Chiba-ken Nambu 20 km 2.8 35.3 N 140.3 E1 No tsunami alerts
21:49 JST 11 Apr 2014 Tottori-ken Seibu 20 km 2.7 35.3 N 133.4 E1 No tsunami alerts
23:21 JST 11 Apr 2014 Amami-oshima Kinkai 60 km 4.2 28.6 N 129.6 E3 No tsunami alerts
00:01 JST 12 Apr 2014 Noto-hanto Oki 10 km 3.0 37.3 N 136.7 E2 No tsunami alerts
00:18 JST 12 Apr 2014 Aomori-ken Toho-oki 10 km 4.2 40.9 N 143.0 E1 No tsunami alerts
03:23 JST 12 Apr 2014 Ibaraki-ken Oki 40 km 3.6 36.3 N 141.1 E1 No tsunami alerts
08:23 JST 12 Apr 2014 Ibaraki-ken Nambu 50 km 3.3 36.2 N 140.1 E1 No tsunami alerts
10:39 JST 12 Apr 2014 Wakayama-ken Hokubu 10 km 2.5 34.0 N 135.3 E1 No tsunami alerts
00:19 JST 13 Apr 2014 Miyagi-ken Oki 40 km 4.0 37.8 N 142.6 E1 No tsunami alerts
18:16 JST 13 Apr 2014 Fukushima-ken Oki 60 km 4.9 37.3 N 141.2 E4 No tsunami alerts
07:18 JST 14 Apr 2014 Wakayama-ken Hokubu very shallow 2.6 34.2 N 135.2 E1 No tsunami alerts
13:16 JST 14 Apr 2014 Chiba-ken Toho-oki 30 km 3.7 35.5 N 141.1 E1 No tsunami alerts
13:29 JST 14 Apr 2014 Ibaraki-ken Hokubu very shallow 3.3 36.7 N 140.7 E2 No tsunami alerts
02:55 JST 15 Apr 2014 Kushiro Oki 50 km 3.1 43.0 N 145.3 E1 No tsunami alerts
10:35 JST 15 Apr 2014 Miyagi-ken Oki 50 km 4.2 38.0 N 141.9 E2 No tsunami alerts
20:43 JST 15 Apr 2014 Yamanashi-ken Tobu-Fujigoko 20 km 3.6 35.5 N 139.0 E2 No tsunami alerts
00:28 JST 16 Apr 2014 Urakawa Oki 10 km 3.2 42.2 N 142.6 E3 No tsunami alerts
03:36 JST 16 Apr 2014 Ibaraki-ken Oki 40 km 4.4 36.2 N 141.0 E3 No tsunami alerts
05:35 JST 16 Apr 2014 Hokkaido Toho-oki 60 km 4.1 43.2 N 146.8 E1 No tsunami alerts
21:16 JST 16 Apr 2014 Iwate-ken Oki 40 km 4.3 39.1 N 142.4 E2 No tsunami alerts
02:20 JST 17 Apr 2014 Miyagi-ken Oki 50 km 4.2 38.3 N 141.9 E3 No tsunami alerts
02:57 JST 17 Apr 2014 Aomori-ken Toho-oki 70 km 3.3 40.5 N 141.9 E1 No tsunami alerts
03:17 JST 17 Apr 2014 Fukushima-ken Oki 20 km 5.1 37.3 N 142.2 E3 No tsunami alerts
14:33 JST 17 Apr 2014 Ibaraki-ken Oki 40 km 3.6 36.2 N 141.0 E1 No tsunami alerts
16:49 JST 17 Apr 2014 Niigata-ken Joetsu-chiho 20 km 2.7 37.1 N 138.4 E1 No tsunami alerts
17:23 JST 17 Apr 2014 Ariake-kai 10 km 3.6 33.0 N 130.3 E2 No tsunami alerts
21:20 JST 17 Apr 2014 Boso-hanto Nampo-oki 50 km 3.5 34.4 N 140.1 E1 No tsunami alerts
23:44 JST 17 Apr 2014 Fukushima-ken Oki 30 km 4.7 37.5 N 142.1 E2 No tsunami alerts
07:53 JST 18 Apr 2014 Ibaraki-ken Nambu 50 km 4.7 36.2 N 139.9 E4 No tsunami alerts
09:02 JST 18 Apr 2014 Hidaka-chiho Seibu 110 km 4.2 42.6 N 142.2 E2 No tsunami alerts
11:01 JST 18 Apr 2014 Nemuro-hanto Nanto-oki 50 km 4.2 42.9 N 146.3 E1 No tsunami alerts
19:03 JST 18 Apr 2014 Nemuro-hanto Nanto-oki 60 km 3.2 43.4 N 146.1 E1 No tsunami alerts
15:19 JST 19 Apr 2014 Fukui-ken Reinan 10 km 2.7 35.4 N 135.7 E1 No tsunami alerts
15:43 JST 19 Apr 2014 Shizuoka-ken Seibu 20 km 2.6 34.7 N 137.8 E1 No tsunami alerts
17:09 JST 19 Apr 2014 Miyagi-ken Oki 90 km 4.2 38.1 N 141.8 E1 No tsunami alerts
16:08 JST 20 Apr 2014 Aomori-ken Toho-oki 60 km 4.0 40.7 N 142.4 E2 No tsunami alerts
04:30 JST 21 Apr 2014 Fukushima-ken Oki 20 km 4.5 36.9 N 142.0 E2 No tsunami alerts
08:00 JST 21 Apr 2014 Chiba-ken Toho-oki 30 km 3.3 35.5 N 140.7 E1 No tsunami alerts
16:47 JST 21 Apr 2014 Tokachi Oki 70 km 4.2 42.5 N 143.6 E2 No tsunami alerts
04:36 JST 22 Apr 2014 Miyagi-ken Oki 40 km 3.9 38.6 N 142.2 E1 No tsunami alerts
05:11 JST 22 Apr 2014 Miyagi-ken Oki 50 km 3.7 38.2 N 141.7 E1 No tsunami alerts
05:39 JST 22 Apr 2014 Iwate-ken Engan-hokubu 50 km 3.7 40.4 N 141.7 E2 No tsunami alerts
06:22 JST 22 Apr 2014 Chiba-ken Toho-oki 20 km 4.7 35.6 N 141.1 E2 No tsunami alerts
13:58 JST 22 Apr 2014 Ibaraki-ken Oki 30 km 4.2 36.8 N 141.5 E2 No tsunami alerts
14:40 JST 22 Apr 2014 Miyagi-ken Oki 40 km 3.9 38.3 N 142.1 E1 No tsunami alerts
15:23 JST 22 Apr 2014 Shimane-ken Seibu 10 km 3.8 35.2 N 132.6 E2 No tsunami alerts
20:47 JST 22 Apr 2014 Hachijojima Toho-oki 70 km 4.8 33.8 N 140.8 E1 No tsunami alerts
23:53 JST 22 Apr 2014 Gifu-ken Mino-tobu 50 km 3.1 35.3 N 137.2 E1 No tsunami alerts
05:04 JST 23 Apr 2014 Miyagi-ken Oki 50 km 3.1 38.7 N 141.8 E1 No tsunami alerts
05:09 JST 27 Apr 2014 Urakawa Oki 70 km 3.6 41.8 N 142.2 E1 No tsunami alerts
15:32 JST 27 Apr 2014 Chiba-ken Toho-oki 10 km 3.7 35.8 N 141.0 E1 No tsunami alerts
17:29 JST 27 Apr 2014 Chiba-ken Toho-oki 20 km 3.4 35.4 N 141.0 E1 No tsunami alerts
04:50 JST 28 Apr 2014 Ishigakijima Kinkai 10 km 4.3 24.8 N 123.5 E1 No tsunami alerts
07:08 JST 28 Apr 2014 Iwate-ken Nairiku-nambu 80 km 3.7 39.5 N 141.5 E2 No tsunami alerts
11:10 JST 28 Apr 2014 Ibaraki-ken Nambu 50 km 2.8 36.0 N 140.0 E1 No tsunami alerts
14:01 JST 28 Apr 2014 Hiroshima-ken Hokubu 20 km 2.6 34.8 N 133.1 E1 No tsunami alerts
20:07 JST 28 Apr 2014 Miyagi-ken Oki 30 km 4.0 38.8 N 142.5 E1 No tsunami alerts
03:00 JST 29 Apr 2014 Hidaka-chiho Tobu 60 km 3.3 42.3 N 143.0 E1 No tsunami alerts
07:34 JST 29 Apr 2014 Wakayama-ken Hokubu 10 km 2.4 34.0 N 135.2 E1 No tsunami alerts
10:21 JST 29 Apr 2014 Miyagi-ken Oki 50 km 4.1 38.1 N 141.8 E2 No tsunami alerts
14:00 JST 29 Apr 2014 Miyagi-ken Oki 60 km 4.0 38.1 N 141.8 E2 No tsunami alerts
15:00 JST 29 Apr 2014 Fukushima-ken Aizu 10 km 2.2 37.7 N 139.9 E1 No tsunami alerts
15:58 JST 29 Apr 2014 Ibaraki-ken Nambu 70 km 3.1 36.1 N 140.1 E1 No tsunami alerts
11:21 JST 30 Apr 2014 Kyoto-fu Nambu 10 km 3.0 35.1 N 135.7 E2 No tsunami alerts
12:03 JST 30 Apr 2014 Ibaraki-ken Nambu 50 km 3.0 36.1 N 139.9 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