J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2012-11-03 07:34:17 Off the coast of Fukushima     30km 5.13  
2012-11-05 05:49:52 Off the coast of Ibaraki     40km 4.63  
2012-11-08 14:58:53 Off the coast of Iwate     50km 4.43  
2012-11-09 12:51:42 Off the coast of Fukushima     10km 5.53  
2012-11-10 07:35:13 Northern Miyagi     80km 4.63  
2012-11-11 14:15:52 Off the coast of Fukushima     80km 5.13  
2012-11-11 17:52:11 Off the coast of Fukushima     30km 4.63  
2012-11-12 19:15:24 Near the coast of Miyakojima     10km 4.83  
2012-11-16 17:25:46 Off the east coast of Chiba     10km 5.63  
2012-11-20 01:22:48     10km 4.23  
2012-11-21 09:02:18 Off the coast of Iwate     50km 4.63  
2012-11-22 02:42:38 Off the coast of Miyagi     40km 5.34  
2012-11-23 08:26:47 Off the coast of Iwate     50km 4.93  
2012-11-24 00:51:47 Southern Ibaraki     50km 4.73  
2012-11-24 05:21:28 Off the coast of Miyagi     40km 5.54  
2012-11-24 10:29:32 Off the coast of Fukushima     10km 4.93  
2012-11-24 11:48:58 West Shizuoka     30km 4.33  
2012-11-24 17:59:55 Northwest Chiba     10km 5.44  
2012-11-27 07:24:19 Near the coast of Miyakojima     50km 4.73  
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