J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2017-08-01 16:57:14 Off the coast of Fukushima     10 3.62  
2017-08-02 02:02:07 Ibaraki-North     10 5.44  
2017-08-02 02:45:23 Off the coast of Kushiro     10 4.21  
2017-08-02 07:15:57 Ibaraki-South     50 5.04  
2017-08-02 07:34:54 Near the coast of Amami Oshima     10 3.71  
2017-08-02 09:19:22 Off the coast of Miyagi     50 4.12  
2017-08-02 20:49:45 Nagano-South     10 3.63  
2017-08-02 21:23:56 Tokachi-South     80 3.92  
2017-08-03 13:45:03 Ibaraki-South     60 4.13  
2017-08-04 10:12:29 Off the west coast of Satsuma Peninsula     10 3.82  
2017-08-04 20:19:51 Near the coast of Ishigakijima     10 4.73  
2017-08-04 21:00:06 Off the coast of Fukushima     10 3.71  
2017-08-05 07:55:17 Ibaraki-North     60 3.72  
2017-08-06 02:30:42 Off the coast of Kushiro     50 4.02  
2017-08-06 05:07:30 南海道南方沖     10 3.5Unkn 
2017-08-06 21:07:44 Off the southeast coast of Kyushu     10 3.5Unkn 
2017-08-07 02:55:48 Off the coast of Miyagi     50 3.52  
2017-08-08 07:35:15 Off the coast of Miyagi     50 3.52  
2017-08-08 14:49:33 Near the coast of Okinawa Island     10 4.73  
2017-08-08 17:51:32 Near the coast of Okinawa Island     10 3.72  
2017-08-08 19:25:20 Ibaraki-South     70 3.62  
2017-08-08 21:27:56 Kumamoto, Kumamoto     10 3.33  
2017-08-09 22:11:03 Near the coast of Okinawa Island     60 3.52  
2017-08-11 16:46:20 Nagano-North     10 3.52  
2017-08-11 20:59:09 Near the coast of Amami Oshima     10 3.61  
2017-08-11 22:42:10 Off the coast of Miyagi     10 3.61  
2017-08-13 03:23:38 Off the southeast coast of Tanegashima     10 6.13  
2017-08-14 12:05:57 Off the coast of Sanriku     10 5.12  
2017-08-14 18:11:34 Chiba-Northwestern     110 3.72  
2017-08-14 20:01:29 Off the coast of Iwate     20 3.52  
2017-08-15 00:59:12 Nemuro-North     10 3.62  
2017-08-16 00:04:36 Off the coast of Ibaraki     50 3.62  
2017-08-16 04:38:56 Iyonada     60 3.52  
2017-08-16 05:29:15 Near the coast of Amami Oshima     10 4.21  
2017-08-16 14:17:26 Near the coast of Miyakejima     10 3.83  
2017-08-17 15:44:34 Chiba-Northwestern     100 3.52  
2017-08-18 12:10:03 Off the coast of Miyagi     50 4.43  
2017-08-19 07:40:53 Ibaraki-North     70 3.52  
2017-08-20 09:55:06 Off the coast of Miyagi     10 4.12  
2017-08-20 13:04:29 Off the coast of Fukushima     50 3.51  
2017-08-20 18:59:26 Off the coast of Iwate     10 3.61  
2017-08-21 02:00:03 Off the coast of Northwest Okinawa Main Island     100 4.83  
2017-08-21 07:14:44 Off the coast of Hachijojima     250 3.9Unkn 
2017-08-21 19:57:25 Off the east coast of Hachijojima     190 4.4Unkn 
2017-08-22 05:46:47 Off the southeast coast of Nemuro Peninsula     50 3.31  
2017-08-22 07:37:42 Off the coast of Sanriku     10 4.72  
2017-08-22 08:47:06 Near the coast of Ishigakijima     10 3.61  
2017-08-22 15:11:56 Fukushima-Hamadori     100 3.52  
2017-08-22 20:01:49 Off the coast of Miyagi     30 3.52  
2017-08-25 02:18:52 Off the coast of Fukushima     50 3.92  
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
2020 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
2021 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