J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-10-02 01:04:00 Off the coast of Miyagi     10 3.82  
2013-10-02 01:08:01 Off the coast of Fukushima     10 3.82  
2013-10-02 19:35:36 35.6 North - 140.2 East     60 3.52  
2013-10-03 09:08:34 Off the coast of Ibaraki     10 3.52  
2013-10-03 13:13:47 Near the coast of Amami Oshima     10 5.23  
2013-10-03 14:12:01 Off the coast of Miyagi     50 3.52  
2013-10-04 08:15:29 Off the coast of Fukushima     40 3.62  
2013-10-04 13:57:40 Off the coast of Fukushima     10 3.51  
2013-10-05 04:34:19 Off the coast of Ibaraki     40 3.52  
2013-10-05 16:41:41 Off the coast of Miyagi     30 3.52  
2013-10-05 17:17:53 Off the coast of Miyagi     60 3.62  
2013-10-05 23:55:23 Off the coast of Fukushima     10 3.51  
2013-10-06 04:06:15 Off the coast of Sanriku     10 3.71  
2013-10-06 10:47:13 Off the coast of Fukushima     10 3.51  
2013-10-07 21:38:31 Off the east coast of Kanto     10 3.8Unkn 
2013-10-07 23:20:58 34.2 North - 136.3 East     420 3.7Unkn 
2013-10-08 19:28:04 36.3 North - 137.7 East     10 3.52  
2013-10-08 20:45:20 Hyuganada     10 4.73  
2013-10-08 23:32:55 Off the coast of Miyagi     10 3.51  
2013-10-09 10:06:15 Off the northeast coast of Amami Oshima     30 4.62  
2013-10-09 16:44:12 Off the coast of Miyagi     50 3.52  
2013-10-10 07:46:38 Off the coast of Iwate     40 4.12  
2013-10-11 13:20:47 Off the coast of Miyagi     70 3.52  
2013-10-11 17:22:00 Off the coast of Fukushima     50 4.43  
2013-10-12 02:43:12 Off the coast of Ibaraki     50 5.23  
2013-10-12 16:54:12 Off the coast of Ibaraki     10 3.91  
2013-10-15 06:02:54 Off the coast of Miyagi     60 3.72  
2013-10-15 14:58:36 Off the coast of Fukushima     10 4.11  
2013-10-15 17:46:41 Off the west coast of Satsuma Peninsula     170 3.6Unkn 
2013-10-16 06:35:23 Off the coast of Miyagi     10 3.51  
2013-10-16 11:19:40 Off the coast of Fukushima     10 3.71  
2013-10-16 12:08:40 Off the coast of Fukushima     10 3.51  
2013-10-16 18:16:10 Off the coast of Iwate     30 3.52  
2013-10-17 01:14:32 Off the coast of Iwate     30 3.72  
2013-10-17 08:40:21 Off the east coast of Kanto     10 3.9Unkn 
2013-10-17 13:31:57 Off the coast of Fukushima     60 4.22  
2013-10-18 01:54:17 Off the coast of Sanriku     10 4.62  
2013-10-18 14:17:52 Off the coast of Sanriku     10 3.71  
2013-10-18 18:40:45 Off the coast of Fukushima     40 3.92  
2013-10-19 09:46:31 Near the coast of Miyakojima     50 4.22  
2013-10-19 11:08:22 Off the coast of Miyagi     50 3.72  
2013-10-19 14:44:48 Off the coast of Ibaraki     10 3.81  
2013-10-20 00:14:23 Off the coast of Miyagi     40 5.03  
2013-10-20 04:56:36 Off the coast of Fukushima     10 4.12  
2013-10-20 09:11:44 Off the coast of Iwate     10 3.51  
2013-10-20 10:07:30 Off the coast of Ibaraki     50 4.73  
2013-10-21 12:33:34 42.3 North - 143.1 East     50 4.53  
2013-10-22 04:18:15 Off the coast of Fukushima     10 4.41  
2013-10-22 06:18:26 Off the coast of Kushiro     50 3.41  
2013-10-22 07:54:52 Off the coast of Sanriku     10 4.01  
2013-10-22 10:18:41 Off the coast of Fukushima     10 5.13  
2013-10-23 00:14:49 Off the coast of Miyagi     10 3.71  
2013-10-26 05:24:09 Off the coast of Miyagi     50 3.52  
2013-10-26 06:27:30 Off the coast of Fukushima     10 5.62  
2013-10-26 10:06:38 Off the east coast of Kanto     10 4.3Unkn 
2013-10-26 14:18:31 Off the east coast of Kanto     10 4.3Unkn 
2013-10-26 23:36:15 Off the coast of Miyagi     50 4.02  
2013-10-27 14:33:51 Off the south coast of Tohoku     10 4.0Unkn 
2013-10-28 03:13:00 Off the coast of Fukushima     10 5.82  
2013-10-28 08:01:38 Off the coast of Fukushima     10 4.2Unkn 
2013-10-28 23:31:53 42.8 North - 143.7 East     110 3.52  
2013-10-29 00:37:36 Off the coast of Kushiro     110 3.62  
2013-10-29 04:35:56 Off the east coast of Kanto     10 4.0Unkn 
2013-10-29 05:59:34 Off the coast of Sanriku     10 4.61  
2013-10-29 18:09:40 Off the coast of Fukushima     10 4.2Unkn 
2013-10-30 12:21:59 Off the coast of Fukushima     10 4.73  
2013-10-31 02:44:10 42.3 North - 143.1 East     50 3.52  
2013-10-31 07:00:44 Off the coast of Ibaraki     40 3.52  
2013-10-31 09:00:19 Off the coast of Iwate     20 3.51  
2013-10-31 21:02:05 Near Taiwan     10 6.73  
2013-10-31 21:37:04 Off the coast of Miyagi     60 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