J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2012-06-01 17:48:08 Southern Ibaraki     50km 5.54  
2012-06-03 13:07:07 Off the coast of Iwate     50km 4.53  
2012-06-05 19:32:13 Off the east coast of Chiba     10km 3.33  
2012-06-05 19:41:32 Off the east coast of Chiba     10km 4.73  
2012-06-06 04:31:30 Off the east coast of Chiba     10km 6.33  
2012-06-06 10:09:04 Near the coast of Yonagunijima     50km 4.83  
2012-06-08 06:13:33 Northwest Chiba     60km 4.33  
2012-06-08 13:10:34 Off the coast of Ibaraki     30km 4.73  
2012-06-08 14:22:34 Off the coast of Fukushima     10km 5.33  
2012-06-09 04:07:37 Central Shizuoka     20km 4.33  
2012-06-10 06:00:16 Near Taiwan     10km 6.04  
2012-06-11 02:11:29 Near the coast of Tanegashima     70km 4.83  
2012-06-13 06:56:38 Near the coast of Okinawa Island     10km 4.33  
2012-06-15 14:09:46 Off the coast of Fukushima     50km 4.83  
2012-06-15 16:31:50 Off the coast of Miyagi     70km 5.03  
2012-06-16 01:34:16 Off the east coast of Chiba     10km 4.23  
2012-06-17 16:13:15 Southern Ibaraki     60km 4.83  
2012-06-18 05:32:25 Off the coast of Miyagi     10km 6.05 Lower  
2012-06-19 05:29:41 Northern Ibaraki     10km 4.03  
2012-06-20 07:28:47 Off the coast of Fukushima     40km 5.03  
2012-06-20 20:20:09     60km 4.53  
2012-06-21 01:47:05 Off the east coast of Chiba     10km 3.33  
2012-06-21 08:56:31 Off the coast of Fukushima     50km 4.83  
2012-06-21 13:19:14 Hamado-ri, Fukushima     80km 5.35 Lower  
2012-06-21 13:29:03 Murayama, Yamagata     10km 4.53  
2012-06-23 18:04:28 Southeast Hyogo     10km 4.13  
2012-06-24 10:29:14 Off the coast of Miyagi     40km 5.13  
2012-06-24 13:29:56 Off the coast of Fukushima     10km 4.73  
2012-06-26 08:23:43 Chuetsu, Niigata     20km 4.43  
2012-06-28 13:55:10 Off the coast of Ibaraki     20km 4.63  
2012-06-28 14:51:52 Off the coast of Fukushima     10km 5.64  
2012-06-28 15:17:24 Southern Ibaraki     30km 4.53  
2012-06-29 02:43:50     10km 5.25 Lower  
2012-06-30 14:50:23     10km 4.53  
2012-06-30 16:11:46 Off the coast of Miyagi     70km 5.13  
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