J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2012-12-03 23:29:27 Near the coast of Amami Oshima     80km 4.53  
2012-12-04 05:31:10 Southern inland of Akita     10km 4.33  
2012-12-05 08:02:52 Chuetsu, Niigata     10km 4.43  
2012-12-06 19:17:34 Off the coast of Ibaraki     60km 4.43  
2012-12-07 05:32:04 Northwest Chiba     60km 4.83  
2012-12-07 17:18:29 Off the coast of Sanriku     10km 7.85 Lower  
2012-12-07 17:31:06 Off the coast of Sanriku     10km 6.23  
2012-12-12 16:41:33     10km 4.23  
2012-12-12 18:22:54 Off the coast of Ibaraki     10km 3.93  
2012-12-13 20:56:06 Northwest Chiba     60km 4.43  
2012-12-20 01:08:04 Off the west coast of Aomori     10km 5.03  
2012-12-20 04:26:35 Off the coast of Fukushima     20km 4.73  
2012-12-20 05:16:28 Southern Ibaraki     70km 4.53  
2012-12-21 00:31:13 Off the coast of Fukushima     60km 4.63  
2012-12-21 17:07:19 Off the coast of Miyagi     50km 5.54  
2012-12-22 15:15:30 Iyonada     40km 4.53  
2012-12-26 04:59:05 Off the coast of Iwate     60km 4.33  
2012-12-26 20:44:41 Chuetsu, Niigata     10km 4.33  
2012-12-27 15:25:31 Near the coast of Niijima / Kouzujima     10km 4.43  
2012-12-29 16:19:35 Off the coast of Fukushima     10km 5.43  
2012-12-29 23:59:42 Off the coast of Miyagi     10km 5.54  
2012-12-30 08:05:19 Off the coast of Fukushima     30km 5.33  
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