J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Magnitude Intensity Remarks
03:15 JST 09 Jan 2014 Ishigakijima Kinkai 70 km 5.6 24.6 N 123.5 E4 No tsunami alerts
03:57 JST 09 Jan 2014 Ibaraki-ken Hokubu 10 km 4.5 36.8 N 140.6 E4 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
02:32 JST 06 Feb 2014 Miyagi-ken Oki 40 km 5.6 38.6 N 142.4 E4 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
11:34 JST 08 Feb 2014 Fukushima-ken Oki 50 km 4.8 37.1 N 141.2 E4 No tsunami alerts
05:11 JST 03 Mar 2014 Okinawa-honto Hokusei-oki 120 km 6.6 27.4 N 127.4 E4 No tsunami alerts
05:11 JST 03 Mar 2014 Okinawa-honto Hokusei-oki 120 km 6.6 27.4 N 127.4 E4 Intensity correction
02:07 JST 14 Mar 2014 Iyo-nada 80 km 6.1 33.7 N 131.9 E5 upper No tsunami alerts
02:07 JST 14 Mar 2014 Iyo-nada 80 km 6.1 33.7 N 131.9 E5 upper Intensity correction
08:22 JST 03 Apr 2014 Iwate-ken Engan-nambu 70 km 5.3 39.2 N 141.8 E4 Tsunami alert issued
05:08 JST 08 Apr 2014 Niigata-ken Chuetsu-chiho 10 km 4.5 37.4 N 139.0 E4 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
07:53 JST 18 Apr 2014 Ibaraki-ken Nambu 50 km 4.7 36.2 N 139.9 E4 No tsunami alerts
05:18 JST 05 May 2014 Izu-ohshima Kinkai 160 km 6.2 35.0 N 139.4 E5 lower No tsunami alerts
05:18 JST 05 May 2014 Izu-ohshima Kinkai 160 km 6.2 35.0 N 139.4 E5 lower Intensity correction
08:35 JST 13 May 2014 Chiba-ken Hokuseibu 80 km 4.9 35.6 N 140.2 E4 No tsunami alerts
14:24 JST 08 Jun 2014 Iwate-ken Engan-nambu 70 km 5.2 39.1 N 141.8 E4 No tsunami alerts
06:10 JST 09 Jun 2014 Miyagi-ken Oki 80 km 4.6 37.9 N 141.3 E4 No tsunami alerts
02:31 JST 15 Jun 2014 Iwate-ken Nairiku-nambu 90 km 5.5 39.4 N 141.1 E4 No tsunami alerts
05:14 JST 16 Jun 2014 Fukushima-ken Oki 50 km 5.8 37.1 N 141.2 E4 No tsunami alerts
14:47 JST 26 Jun 2014 Nemuro-hanto Nanto-oki 50 km 4.7 43.1 N 145.6 E4 No tsunami alerts
07:58 JST 03 Jul 2014 Ibaraki-ken Hokubu 10 km 4.1 36.7 N 140.7 E4 No tsunami alerts
07:42 JST 05 Jul 2014 Iwate-ken Oki 50 km 5.8 39.7 N 142.2 E5 lower No tsunami alerts
05:23 JST 06 Jul 2014 Hidaka-chiho Tobu 50 km 4.6 42.2 N 143.0 E4 No tsunami alerts
18:05 JST 08 Jul 2014 Ishikari-chiho Nambu very shallow 5.8 42.7 N 141.3 E5 lower  
17:58 JST 10 Jul 2014 Ibaraki-ken Hokubu 10 km 4.8 36.8 N 140.6 E4 No tsunami alerts
04:22 JST 12 Jul 2014 Fukushima-ken Oki 10 km 6.8 37.0 N 142.6 E4 Tsunami alert issued
17:24 JST 16 Jul 2014 Fukushima-ken Hamadori 10 km 4.6 37.0 N 140.7 E4 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
12:43 JST 10 Aug 2014 Aomori-ken Toho-oki 50 km 6.1 41.1 N 142.3 E5 lower 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
17:27 JST 24 Aug 2014 Ibaraki-ken Nambu 80 km 4.3 36.1 N 139.8 E4 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
18:19 JST 29 Aug 2014 Ibaraki-ken Hokubu 10 km 4.1 36.7 N 140.7 E4 No tsunami alerts
16:24 JST 03 Sep 2014 Tochigi-ken Hokubu 10 km 5.2 36.9 N 139.5 E5 lower No tsunami alerts
05:34 JST 04 Sep 2014 Tochigi-ken Hokubu 10 km 4.4 36.9 N 139.5 E4 No tsunami alerts
10:09 JST 10 Sep 2014 Iwate-ken Oki 70 km 5.0 40.1 N 141.9 E4 No tsunami alerts
12:28 JST 16 Sep 2014 Ibaraki-ken Nambu 50 km 5.6 36.1 N 139.9 E5 lower No tsunami alerts
08:19 JST 18 Sep 2014 Miyakojima Kinkai 50 km 5.2 24.9 N 125.4 E4 No tsunami alerts
21:45 JST 24 Sep 2014 Fukushima-ken Oki 50 km 5.0 37.5 N 141.4 E4 No tsunami alerts
22:31 JST 24 Sep 2014 Fukushima-ken Oki 50 km 5.2 37.5 N 141.4 E4 No tsunami alerts
09:57 JST 03 Oct 2014 Iwate-ken Oki 30 km 5.5 40.2 N 142.6 E4 No tsunami alerts
11:36 JST 11 Oct 2014 Aomori-ken Toho-oki 10 km 6.1 41.0 N 143.2 E4 No tsunami alerts
12:51 JST 15 Oct 2014 Miyagi-ken Oki 70 km 4.5 38.5 N 141.7 E4 No tsunami alerts
09:15 JST 22 Oct 2014 Okinawa-honto Kinkai 50 km 5.5 27.4 N 128.7 E4 No tsunami alerts
11:28 JST 03 Nov 2014 Iburi-chiho Chutobu 30 km 4.6 42.6 N 141.9 E4 No tsunami alerts
09:53 JST 12 Nov 2014 Ibaraki-ken Nambu 70 km 4.7 36.2 N 140.1 E4 No tsunami alerts
09:53 JST 12 Nov 2014 Ibaraki-ken Nambu 70 km 4.7 36.2 N 140.1 E4 Intensity correction
10:51 JST 20 Nov 2014 Fukushima-ken Oki 40 km 5.3 37.3 N 141.6 E4 No tsunami alerts
22:08 JST 22 Nov 2014 Nagano-ken Hokubu 10 km 6.8 36.7 N 137.9 E6 lower No tsunami alerts
22:08 JST 22 Nov 2014 Nagano-ken Hokubu 10 km 6.8 36.7 N 137.9 E6 lower Intensity correction
22:37 JST 22 Nov 2014 Nagano-ken Hokubu 10 km 4.3 36.8 N 137.9 E5 lower No tsunami alerts
06:12 JST 24 Nov 2014 Nagano-ken Hokubu 10 km 3.8 36.8 N 137.9 E4 No tsunami alerts
06:27 JST 25 Nov 2014 Nagano-ken Hokubu 10 km 4.1 36.7 N 137.9 E4 No tsunami alerts
15:07 JST 11 Dec 2014 Yamanashi-ken Tobu-Fujigoko 20 km 4.3 35.5 N 139.0 E4 No tsunami alerts
03:45 JST 18 Dec 2014 Miyagi-ken Oki 40 km 4.5 38.9 N 142.1 E4 No tsunami alerts
18:30 JST 20 Dec 2014 Fukushima-ken Oki 40 km 5.8 37.4 N 141.6 E4 No tsunami alerts
22:30 JST 26 Dec 2014 Shiga-ken Hokubu 10 km 4.2 35.3 N 135.9 E4 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