J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2017-08-01 16:58:29 Off the coast of Fukushima     10 3.62  
2017-08-02 02:02:58 Ibaraki-North     10 5.54  
2017-08-02 02:46:54 Off the coast of Kushiro     10 4.21  
2017-08-02 07:16:49 Ibaraki-South     50 4.83  
2017-08-02 07:36:23 Near the coast of Amami Oshima     10 3.71  
2017-08-02 09:20:22 Off the coast of Miyagi     50 4.22  
2017-08-02 20:50:38 Nagano-South     10 3.63  
2017-08-02 21:25:03 Tokachi-South     100 3.92  
2017-08-04 10:13:35 Off the west coast of Satsuma Peninsula     10 4.02  
2017-08-04 20:20:42 Near the coast of Ishigakijima     60 5.33  
2017-08-04 21:01:21 Off the coast of Fukushima     10 3.51  
2017-08-05 07:56:15 Ibaraki-North     60 3.62  
2017-08-06 02:31:52 Off the coast of Kushiro     50 4.02  
2017-08-06 05:09:07     10 3.7Unkn 
2017-08-06 21:09:14 Off the southeast coast of Kyushu     10 3.5Unkn 
2017-08-07 02:56:56 Off the coast of Miyagi     50 3.52  
2017-08-08 07:36:21 Off the coast of Miyagi     50 3.62  
2017-08-08 14:50:15 Near the coast of Okinawa Island     10 4.83  
2017-08-08 21:28:47     10 3.33  
2017-08-09 22:12:07 Near the coast of Okinawa Island     60 3.52  
2017-08-11 16:47:18 Nagano-North     10 4.53  
2017-08-11 22:43:21 Off the coast of Miyagi     40 4.32  
2017-08-14 12:07:47 Off the coast of Sanriku     10 5.43  
2017-08-14 18:12:34 Chiba-Northwestern     100 4.53  
2017-08-15 00:59:48     10 3.93  
2017-08-16 00:05:35 Off the coast of Ibaraki     40 3.52  
2017-08-16 04:39:56 Iyonada     60 3.52  
2017-08-16 05:30:45 Near the coast of Amami Oshima     10 4.62  
2017-08-16 14:18:06 Near the coast of Miyakejima     20 4.02  
2017-08-17 15:45:32 Chiba-Northwestern     90 3.52  
2017-08-18 12:11:14 Off the coast of Miyagi     50 4.63  
2017-08-19 07:41:48 Ibaraki-North     70 3.52  
2017-08-20 09:56:22 Off the coast of Miyagi     40 4.32  
2017-08-20 13:05:44 Off the coast of Fukushima     20 3.52  
2017-08-20 19:00:36 Off the coast of Iwate     30 3.72  
2017-08-21 07:17:17 Off the coast of Hachijojima     270 4.4Unkn 
2017-08-21 19:59:24 Off the east coast of Hachijojima     150 4.5Unkn 
2017-08-22 05:47:48 Off the southeast coast of Nemuro Peninsula     50 3.21  
2017-08-22 07:39:12 Off the coast of Sanriku     10 5.33  
2017-08-22 08:48:00 Near the coast of Ishigakijima     10 3.61  
2017-08-22 15:13:06 Fukushima-Hamadori     100 3.52  
2017-08-22 20:02:58 Off the coast of Miyagi     30 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