J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-02-05 22:31:01 Off the coast of Miyagi     40km 4.73  
2013-02-09 13:43:01 Off the coast of Ibaraki     10km 5.64  
2013-02-13 11:03:51 Near the coast of Niijima / Kouzujima     10km 4.13  
2013-02-13 12:57:37 Off the southeast coast of Kyushu     10km 5.23  
2013-02-15 18:18:52 Southern Nagano     10km 4.64  
2013-02-16 10:32:46 Off the coast of Fukushima     50km 5.03  
2013-02-16 13:51:47 Off the coast of Fukushima     40km 4.73  
2013-02-17 07:17:28 Off the east coast of Hokkaido     60km 5.53  
2013-02-19 01:01:58 Near the coast of Miyakojima     50km 4.83  
2013-02-19 02:10:07 Northwest Chiba     70km 4.33  
2013-02-19 21:27:20 Off the east coast of Kanto     10km 6.04  
2013-02-22 00:34:11 Off the coast of Miyagi     50km 4.83  
2013-02-23 20:32:32 Southern Along the mountain, Miyazaki     10km 3.83  
2013-02-24 11:36:02 East Kanagawa     10km 4.03  
2013-02-24 13:55:08 Off the coast of Fukushima     10km 4.63  
2013-02-25 15:26:50 Northern Gunma     10km 4.03  
2013-02-25 16:23:55 Northern Gunma     10km 6.35 Upper  
2013-02-25 16:32:02 Northern Gunma     10km 4.33  
2013-02-25 16:34:45 Northern Gunma     10km 4.53  
2013-02-25 17:33:40 Northern Gunma     10km 4.13  
2013-02-25 18:55:13 Northern Tochigi     10km 4.33  
2013-02-25 21:24:59 Northern Gunma     10km 3.93  
2013-02-26 01:19:26 Off the coast of Miyagi     60km 4.43  
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