J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-02-01 17:21:34 Off the southeast coast of Nemuro Peninsula     10 4.72  
2020-02-01 22:10:46 Off the coast of Fukushima     50 3.41  
2020-02-03 02:56:49 Off the west coast of Aomori     250 3.6Unkn 
2020-02-03 16:10:07 Off the east coast of Aomori     10 3.72  
2020-02-05 10:00:40 Off the southeast coast of Nemuro Peninsula     10 4.22  
2020-02-06 18:19:59 Off the northeast coast of Amami Oshima     10 4.6Unkn 
2020-02-06 20:19:57 Off the coast of Ibaraki     10 4.62  
2020-02-08 02:13:32 Off the west coast of Satsuma Peninsula     10 3.61  
2020-02-08 12:13:54 Off the coast of Sanriku     10 3.61  
2020-02-09 06:58:40 Enshu     20 42  
2020-02-09 14:23:56 Off the coast of Sanriku     10 3.6Unkn 
2020-02-12 19:37:22 Off the coast of Fukushima     60 4.83  
2020-02-15 13:05:43 Off the northwest coast of Amami Oshima     10 3.51  
2020-02-15 15:08:23 Off the southeast coast of Mie     400 3.7Unkn 
2020-02-15 20:00:20 Near Taiwan     10 4.82  
2020-02-16 03:52:45 Off the coast of Sanriku     10 3.8Unkn 
2020-02-19 12:20:02 Off the coast of Fukushima     10 3.61  
2020-02-20 16:17:52 Near Taiwan     60 4.72  
2020-02-21 02:35:34 Near the coast of Torishima     160 4.8Unkn 
2020-02-22 07:37:59 Off the coast of Iwate     50 3.52  
2020-02-23 05:42:11 Off the coast of Sanriku     10 3.91  
2020-02-23 21:12:55 Off the coast of Ibaraki     30 3.52  
2020-02-24 02:29:19 Off the south coast of the Boso Peninsula     70 4.32  
2020-02-24 07:29:33 Off the coast of Iwate     40 3.51  
2020-02-24 19:32:34 Off the south coast of Yakayama     10 3.51  
2020-02-28 05:41:34 Hyuganada     20 3.51  
2020-02-28 14:10:05 Near the coast of Amami Oshima     10 4.52  
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