J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-04-02 01:54:14 Iburi-East Central     140 3.52  
2015-04-02 03:45:44 Off the coast of Sanriku     10 3.71  
2015-04-03 04:05:44 Off the coast of Miyagi     50 4.63  
2015-04-03 04:32:46 Off the coast of Miyagi     50 3.52  
2015-04-03 21:41:49 Off the coast of Miyagi     10 3.51  
2015-04-04 05:36:32 Off the coast of Fukushima     10 4.42  
2015-04-05 12:46:54 Fukushima-Hamadori     100 3.51  
2015-04-06 12:30:52 Off the coast of Uraga     40 3.62  
2015-04-06 13:59:41 Off the coast of Kushiro     50 4.33  
2015-04-06 20:38:53 Near the coast of Yonagunijima     70 4.42  
2015-04-07 12:32:06 Off the coast of Fukushima     10 3.71  
2015-04-08 08:52:17 Ehime-Nanyo     50 4.33  
2015-04-08 10:21:20 Off the coast of Miyagi     20 3.62  
2015-04-09 18:31:07 Off the east coast of Aomori     70 3.92  
2015-04-09 23:53:27 Off the coast of Iwate     50 3.72  
2015-04-10 18:05:47 Off the coast of Iwate     20 3.82  
2015-04-11 02:20:05 Off the coast of Fukushima     60 3.72  
2015-04-11 16:46:36 Off the east coast of Aomori     20 4.52  
2015-04-12 04:57:14 Amakusanada     10 4.03  
2015-04-12 06:43:59 Off the coast of Iwate     40 3.52  
2015-04-12 13:34:23 Off the coast of Miyagi     40 3.92  
2015-04-12 14:26:11 Off the coast of Fukushima     50 4.02  
2015-04-12 15:26:24 Gunma-South     140 4.63  
2015-04-12 19:29:55 Off the east coast of Chiba     40 4.32  
2015-04-13 04:26:55 Off the coast of Fukushima     10 5.11  
2015-04-13 17:25:01 Off the coast of Iwate     40 4.12  
2015-04-14 01:57:46 Off the coast of Fukushima     10 3.51  
2015-04-14 03:52:31 Off the coast of Sanriku     10 4.21  
2015-04-14 16:01:50 Off the coast of Fukushima     30 3.82  
2015-04-14 22:51:43 Off the east coast of Aomori     10 3.72  
2015-04-16 01:59:30 Off the coast of Miyagi     50 4.02  
2015-04-16 02:11:37 Off the coast of Miyagi     40 4.02  
2015-04-16 04:56:48 Off the coast of Sanriku     10 4.92  
2015-04-16 05:17:55 Off the coast of Miyagi     40 4.22  
2015-04-16 16:39:48 Off the coast of Ibaraki     50 4.22  
2015-04-16 17:18:25 Bungo channel     40 3.52  
2015-04-18 18:36:06 Hyuganada     20 4.42  
2015-04-19 08:17:45 Off the west coast of Ishikawa     340 4.1Unkn 
2015-04-20 09:07:23 Off the east coast of Aomori     20 3.71  
2015-04-20 10:44:36 Near Taiwan     70 7.05 Lower  
2015-04-20 20:22:53 Near Taiwan     10 5.32  
2015-04-20 20:47:04 Near Taiwan     30 6.53  
2015-04-21 11:21:01 Kushiro-South Central     100 3.11  
2015-04-21 17:55:36 Iwate Northern Coast     60 3.52  
2015-04-22 16:38:13 Off the east coast of Chiba     10 3.42  
2015-04-23 02:24:50 Off the coast of Ibaraki     50 4.22  
2015-04-23 06:33:07 Off the coast of Fukushima     50 3.52  
2015-04-23 14:52:37 Near the coast of Amami Oshima     10 4.11  
2015-04-23 19:18:59 Off the coast of Miyagi     50 4.53  
2015-04-23 21:24:44 Off the coast of Uraga     70 4.22  
2015-04-23 22:16:45     10 3.73  
2015-04-23 23:33:52     360 4.8Unkn 
2015-04-24 03:28:28 Chuetsu, Niigata     20 4.23  
2015-04-24 16:39:29 Off the east coast of Kanto     10 3.6Unkn 
2015-04-25 03:24:38 Off the coast of Ibaraki     50 3.72  
2015-04-25 04:30:42 Off the coast of Miyagi     40 3.72  
2015-04-25 15:37:59 Off the east coast of Hachijojima     100 5.63  
2015-04-29 02:51:08 Off the southeast coast of Nemuro Peninsula     50 4.02  
2015-04-29 06:10:33 Near the coast of Miyakojima     40 3.92  
2015-04-29 09:28:28 Near the coast of Okinawa Island     30 4.72  
2015-04-30 01:11:09 Off the coast of Iwate     10 5.03  
2015-04-30 04:45:10 Near the coast of Ishigakijima     20 4.03  
2015-04-30 09:43:56 Off the coast of Uraga     60 3.52  
2015-04-30 16:34:39 Off the coast of Iwate     40 3.82  
2015-04-30 23:55:14 Off the coast of Uraga     50 3.62  
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