J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2019-01-18 21:46:30 Off the coast of Fukushima     10 4.34  
2019-02-10 14:34:25 Near the coast of Amami Oshima     10 4.84  
2019-02-21 21:22:40 Iburi-East Central     30 54  
2019-02-23 14:30:49 Amakusanada     10 4.74  
2019-03-19 23:35:49 Niijima-Kozu     10 4.74  
2019-05-10 08:48:43 Hyuganada     10 5.64  
2019-05-25 15:20:49 Chiba-Northeastern     10 4.84  
2019-06-01 07:58:10 Chiba-Northeastern     30 5.24  
2019-06-18 22:22:22 Yamagata-Shonai     10 6.16 Lower  
2019-06-24 19:22:39 Off the east coast of the Izu Peninsula     10 3.95 Lower  
2019-08-04 19:23:05 Off the coast of Fukushima     40 5.64  
2019-08-15 14:32:53 Aoimori Sanpachikamikita     90 5.34  
2019-11-17 20:05:33 Izu Oshima     10 4.94  
2019-12-26 18:26:37 Off the coast of Miyagi     50 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
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