J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-10-02 01:03:59 Off the coast of Miyagi     10 3.61  
2013-10-02 01:08:03 Off the coast of Fukushima     30 3.92  
2013-10-02 19:35:36 Northwest Chiba     70 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 5.64  
2013-10-03 14:12:00 Off the coast of Miyagi     50 3.52  
2013-10-04 05:35:03 Off the coast of Miyagi     20 3.51  
2013-10-04 08:15:29 Off the coast of Fukushima     40 3.62  
2013-10-04 13:57:42 Off the coast of Fukushima     30 3.52  
2013-10-05 04:34:19 Off the coast of Ibaraki     50 3.52  
2013-10-05 16:41:41 Off the coast of Miyagi     40 3.52  
2013-10-05 17:17:53 Off the coast of Miyagi     60 3.52  
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 21:38:37 Off the east coast of Kanto     10 3.5Unkn 
2013-10-07 23:20:58 Southern Mie     420 3.7Unkn 
2013-10-08 19:28:04 Central Nagano     10 3.62  
2013-10-08 20:45:19 Hyuganada     30 4.22  
2013-10-08 23:32:55 Off the coast of Miyagi     10 3.51  
2013-10-09 10:06:12 Off the northeast coast of Amami Oshima     30 5.33  
2013-10-09 16:44:12 Off the coast of Miyagi     50 3.52  
2013-10-10 07:46:37 Off the coast of Iwate     50 4.12  
2013-10-11 13:20:46 Off the coast of Miyagi     80 3.52  
2013-10-11 17:21:59 Off the coast of Fukushima     60 4.02  
2013-10-12 02:43:11 Off the coast of Ibaraki     60 4.33  
2013-10-12 16:54:13 Off the coast of Fukushima     70 3.71  
2013-10-15 06:02:53 Off the coast of Miyagi     70 3.82  
2013-10-15 14:58:40 Off the coast of Fukushima     60 3.61  
2013-10-15 17:46:42 Off the west coast of Satsuma Peninsula     160 3.5Unkn 
2013-10-16 06:35:23 Off the coast of Miyagi     10 3.51  
2013-10-16 11:19:38 Off the coast of Fukushima     10 3.51  
2013-10-16 12:08:40 Off the coast of Fukushima     10 3.61  
2013-10-16 18:16:09 Off the coast of Iwate     30 3.62  
2013-10-17 01:14:32 Off the coast of Iwate     50 3.62  
2013-10-17 08:40:27 Off the east coast of Kanto     10 3.6Unkn 
2013-10-17 13:31:55 Off the coast of Fukushima     10 4.52  
2013-10-18 01:54:22 Off the coast of Sanriku     10 3.51  
2013-10-18 14:17:52 Off the coast of Sanriku     10 3.71  
2013-10-18 18:40:46 Off the coast of Fukushima     40 4.02  
2013-10-19 09:46:31 Near the coast of Miyakojima     50 4.32  
2013-10-19 11:08:24 Off the coast of Miyagi     40 3.62  
2013-10-19 14:44:52 Off the coast of Fukushima     60 3.51  
2013-10-20 00:14:19 Off the coast of Miyagi     80 4.73  
2013-10-20 04:56:36 Off the coast of Fukushima     10 3.81  
2013-10-20 09:11:44 Off the coast of Iwate     10 3.61  
2013-10-20 10:07:29 Off the coast of Ibaraki     60 4.02  
2013-10-21 12:33:36 Southern Tokachi     40 4.22  
2013-10-22 04:18:14 Off the coast of Fukushima     10 3.5Unkn 
2013-10-22 06:18:25 Off the coast of Kushiro     50 3.51  
2013-10-22 07:54:53 Off the coast of Sanriku     10 3.5Unkn 
2013-10-22 10:18:43 Off the coast of Fukushima     10 4.52  
2013-10-23 00:14:49 Off the coast of Sanriku     10 3.61  
2013-10-26 05:24:08 Off the coast of Miyagi     50 3.52  
2013-10-26 06:27:29 Off the coast of Fukushima     10 5.31  
2013-10-26 10:06:38 Off the coast of Fukushima     10 4.2Unkn 
2013-10-26 14:18:28 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 14:33:58 Off the coast of Fukushima     10 3.8Unkn 
2013-10-28 03:13:00 Off the coast of Fukushima     10 5.41  
2013-10-28 08:01:39 Off the coast of Fukushima     10 4.1Unkn 
2013-10-28 23:31:51 Central Tokachi     130 3.72  
2013-10-29 00:37:34 Off the coast of Kushiro     120 3.72  
2013-10-29 04:35:56 Off the east coast of Kanto     10 3.9Unkn 
2013-10-29 05:59:36 Off the coast of Sanriku     10 4.2Unkn 
2013-10-29 18:09:39 Off the south coast of Tohoku     10 4.2Unkn 
2013-10-30 12:21:59 Off the coast of Fukushima     10 4.32  
2013-10-31 02:44:11 Southern Tokachi     40 3.62  
2013-10-31 07:00:44 Off the coast of Ibaraki     50 3.52  
2013-10-31 09:00:19 Off the coast of Iwate     30 3.61  
2013-10-31 21:02:15 Near Taiwan     70 5.73  
2013-10-31 21:37:04 Off the coast of Miyagi     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
2018 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
2019 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