J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2014-04-01 07:36:17 Off the east coast of Aomori     10 3.62  
2014-04-01 08:02:05 Off the coast of Ibaraki     10 3.52  
2014-04-01 09:50:43 Off the coast of Iwate     20 3.51  
2014-04-01 13:08:47 Off the coast of Miyagi     50 4.73  
2014-04-01 22:38:31 Off the coast of Fukushima     10 3.71  
2014-04-02 00:37:30 Off the coast of Iwate     10 3.61  
2014-04-02 03:57:09 Off the east coast of Kanto     10 3.9Unkn 
2014-04-03 08:22:48 Southern coast of Iwate     60 5.44  
2014-04-03 14:58:42 Off the southeast coast of Kyushu     10 3.81  
2014-04-04 00:46:45 Hyuganada     30 4.73  
2014-04-04 03:47:05 Off the coast of Miyagi     10 3.51  
2014-04-04 14:12:39 Off the coast of Kushiro     50 3.21  
2014-04-05 10:16:16 Off the coast of Iwate     10 5.33  
2014-04-06 01:24:24 35.4 North - 137.1 East     50 3.52  
2014-04-09 00:02:05 Off the coast of Ibaraki     10 4.11  
2014-04-10 13:17:14 35.8 North - 140.2 East     60 4.12  
2014-04-10 13:19:04 35.8 North - 140.2 East     60 4.23  
2014-04-11 07:43:21 35.0 North - 134.6 East     10 4.13  
2014-04-11 23:21:37 Near the coast of Amami Oshima     50 4.23  
2014-04-12 00:18:21 Off the east coast of Aomori     10 4.02  
2014-04-13 00:19:03 Off the coast of Fukushima     10 4.52  
2014-04-13 18:16:02 Off the coast of Fukushima     60 5.13  
2014-04-16 03:36:09 Off the coast of Ibaraki     30 4.02  
2014-04-17 02:20:10 Off the coast of Miyagi     40 4.02  
2014-04-17 03:17:17 Off the coast of Fukushima     10 4.82  
2014-04-17 17:23:51 33.0 North - 130.3 East     10 3.32  
2014-04-17 20:01:40 Off the coast of Miyagi     10 3.71  
2014-04-17 23:15:42 Off the coast of Fukushima     10 3.81  
2014-04-17 23:43:56 Off the coast of Fukushima     10 4.82  
2014-04-18 07:53:03 Southern Ibaraki     40 4.84  
2014-04-18 09:02:29 42.5 North - 142.2 East     110 4.43  
2014-04-18 11:00:44 Off the southeast coast of Nemuro Peninsula     10 4.12  
2014-04-18 14:02:31 Off the southeast coast of Nemuro Peninsula     10 3.51  
2014-04-19 17:09:09 Off the coast of Miyagi     90 3.62  
2014-04-20 16:08:04 Off the east coast of Aomori     50 3.72  
2014-04-21 04:30:09 Off the coast of Fukushima     10 4.21  
2014-04-21 16:46:53 Off the coast of Tokachi     80 4.53  
2014-04-22 04:36:14 Off the coast of Miyagi     20 3.62  
2014-04-22 06:22:54 Off the east coast of Chiba     10 4.63  
2014-04-22 13:58:00 Off the coast of Fukushima     10 3.71  
2014-04-22 14:40:35 Off the coast of Miyagi     10 3.82  
2014-04-22 20:46:39 Off the east coast of Hachijojima     10 5.02  
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