J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2012-10-01 07:39:18 Off the coast of Miyagi     10km 5.03  
2012-10-02 03:40:50 Off the coast of Fukushima     30km 5.43  
2012-10-02 06:27:36 Off the coast of Ibaraki     50km 4.73  
2012-10-02 07:21:42 Off the coast of Sanriku     10km 6.33  
2012-10-03 18:39:55 Off the coast of Miyagi     40km 5.43  
2012-10-06 01:19:01 Northern inland of Akita     10km 5.34  
2012-10-08 14:47:21 Enshunada     10km 4.13  
2012-10-08 20:03:59 Southern Ibaraki     60km 4.23  
2012-10-09 19:17:10 Off the coast of Fukushima     10km 4.73  
2012-10-10 05:49:34 Hyuganada     10km 4.73  
2012-10-12 13:57:22 Northeast Chiba     10km 5.24  
2012-10-14 00:14:23 Bungo channel     40km 3.73  
2012-10-14 15:34:16 East Shimane     10km 3.33  
2012-10-14 21:14:41 Central Hidaka Subprefecture     20km 4.33  
2012-10-17 09:43:55 Off the coast of Ibaraki     10km 4.33  
2012-10-18 00:00:36 Off the coast of Miyagi     10km 5.74  
2012-10-18 01:16:43 Chuetsu, Niigata     10km 4.84  
2012-10-19 13:10:48 Northern Ibaraki     60km 4.53  
2012-10-19 18:12:57 Off the coast of Iwate     50km 4.63  
2012-10-19 20:59:42 Northwest Chiba     40km 4.33  
2012-10-20 11:49:08 Off the southeast coast of Tanegashima     10km 4.73  
2012-10-20 17:58:08 Northern Ibaraki     10km 3.33  
2012-10-20 18:02:11 Northern Ibaraki     10km 4.74  
2012-10-22 18:27:09 Off the coast of Miyagi     50km 4.83  
2012-10-24 16:05:40 Off the coast of Ibaraki     50km 4.93  
2012-10-25 19:32:26 Off the coast of Miyagi     10km 5.84  
2012-10-26 19:36:29 Off the coast of Miyagi     40km 4.93  
2012-10-27 04:44:39 Tosa Bay     10km 4.83  
2012-10-27 13:12:45 Off the coast of Fukushima     60km 4.53  
2012-10-28 18:44:05 Off the coast of Ibaraki     50km 4.63  
2012-10-31 13:28:01 Off the coast of Miyagi     50km 4.63  
2012-10-31 15:50:01 Southern Ibaraki     40km 4.53  
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