J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2017-02-01 03:44:14 Off the coast of Miyagi     30 4.53  
2017-02-02 03:12:22 Near the coast of Amami Oshima     30 4.73  
2017-02-02 20:06:38 Near the coast of Okinawa Island     40 4.33  
2017-02-03 20:59:22 Off the coast of Ibaraki     40 4.22  
2017-02-03 23:16:35 Off the coast of Fukushima     10 4.62  
2017-02-04 21:36:21 Off the coast of Fukushima     30 3.61  
2017-02-05 09:17:58 Off the coast of Iwate     20 3.52  
2017-02-05 22:22:41 Off the east coast of Hachijojima     150 3.7Unkn 
2017-02-06 11:28:31 Off the coast of Miyagi     50 3.92  
2017-02-06 15:25:32 Off the coast of Ibaraki     20 3.92  
2017-02-07 06:17:21 Off the coast of Fukushima     30 4.22  
2017-02-07 16:22:34 Off the southeast coast of Kyushu     10 4.12  
2017-02-07 20:04:46 Ibaraki-North     10 4.33  
2017-02-07 22:04:23 Off the east coast of Aomori     60 3.42  
2017-02-08 03:55:20 Off the coast of Fukushima     10 3.51  
2017-02-08 04:02:32 Near the coast of Okinawa Island     50 3.52  
2017-02-08 21:16:04     10 4.13  
2017-02-08 21:29:56     10 3.62  
2017-02-08 22:45:04     10 3.62  
2017-02-09 11:12:15 Near the coast of Amami Oshima     30 4.53  
2017-02-09 14:08:13 Off the coast of Ibaraki     30 3.52  
2017-02-10 18:11:41     420 3.5Unkn 
2017-02-11 01:10:26 Off the coast of Miyagi     10 4.02  
2017-02-11 06:06:31 Off the coast of Fukushima     40 5.03  
2017-02-11 06:40:02 Off the coast of Fukushima     10 4.83  
2017-02-11 10:03:10 Miyazaki-Southern Mountains     110 3.62  
2017-02-11 21:04:34 Off the coast of Fukushima     10 3.52  
2017-02-12 12:43:37 Off the east coast of Kanto     10 4.21  
2017-02-14 04:19:54 Off the coast of Uraga     70 3.62  
2017-02-14 15:51:50 Off the coast of Fukushima     10 3.62  
2017-02-15 16:59:35 Off the coast of Akita     10 3.61  
2017-02-16 11:19:10 Off the coast of Fukushima     10 3.51  
2017-02-16 14:33:20     10 4.03  
2017-02-16 17:02:43 Off the coast of Ibaraki     10 3.51  
2017-02-17 10:18:59 Near the coast of Miyakojima     50 4.73  
2017-02-19 15:03:02 Off the coast of Fukushima     70 4.02  
2017-02-19 18:20:19 Chiba-Northeastern     40 5.34  
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