J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2012-01-03 03:28:27 Off the coast of Ibaraki     50km 4.93  
2012-01-04 11:07:50 Near the coast of Amami Oshima     40km 4.83  
2012-01-05 21:37:26 Off the coast of Fukushima     10km 4.54  
2012-01-05 22:13:52 Nakado-ri, Fukushima     10km 4.23  
2012-01-06 01:47:04 Off the coast of Miyagi     10km 5.03  
2012-01-06 05:55:44 Off the east coast of Chiba     40km 4.23  
2012-01-07 19:43:07 Off the coast of Fukushima     60km 5.03  
2012-01-08 06:00:28 Off the coast of Ibaraki     10km 4.83  
2012-01-08 08:52:23 Off the east coast of Chiba     10km 5.03  
2012-01-08 13:31:54 Near the coast of Niijima / Kouzujima     10km 4.43  
2012-01-08 13:41:19 Off the coast of Miyagi     50km 4.63  
2012-01-09 00:37:28 Northern Wakayama     60km 5.03  
2012-01-09 01:52:42 Northeast Chiba     30km 4.23  
2012-01-09 07:13:07 Off the coast of Iwate     50km 5.13  
2012-01-09 16:10:45 Off the coast of Ibaraki     10km 4.93  
2012-01-12 12:20:43 Off the coast of Ibaraki     10km 5.84  
2012-01-12 14:37:23 Off the coast of Miyagi     10km 5.43  
2012-01-12 16:45:40 Off the coast of Fukushima     30km 4.73  
2012-01-12 20:11:18 Off the coast of Fukushima     10km 4.74  
2012-01-12 20:11:18 Off the coast of Fukushima     10km 4.74  
2012-01-13 06:05:03 Near the coast of Amami Oshima     10km 4.03  
2012-01-13 06:05:03 Near the coast of Amami Oshima     10km 4.03  
2012-01-13 21:50:05 Northern Ibaraki     10km 4.84  
2012-01-13 21:50:05 Northern Ibaraki     10km 4.84  
2012-01-14 18:57:53 Off the coast of Iwate     10km 4.83  
2012-01-14 18:57:53 Off the coast of Iwate     10km 4.83  
2012-01-16 15:29:02 Northeast Chiba     40km 4.63  
2012-01-17 12:30:15 Southern Ibaraki     40km 4.73  
2012-01-18 17:55:40 Off the coast of Miyagi     50km 4.83  
2012-01-18 17:55:40 Off the coast of Miyagi     50km 4.83  
2012-01-18 22:29:24 Nakado-ri, Fukushima     10km 4.73  
2012-01-18 22:29:24 Nakado-ri, Fukushima     10km 4.73  
2012-01-19 16:42:02 Off the coast of Iwate     10km 4.73  
2012-01-19 16:42:02 Off the coast of Iwate     10km 4.73  
2012-01-19 22:09:38 Off the coast of Ibaraki     10km 4.74  
2012-01-21 14:50:04 Near the coast of Okinawa Island     30km 5.03  
2012-01-22 10:20:25 Southern Ibaraki     60km 4.63  
2012-01-22 12:11:47 Off the east coast of Chiba     30km 4.03  
2012-01-23 20:45:41 Off the coast of Fukushima     40km 5.74  
2012-01-24 17:07:41 Off the coast of Fukushima     50km 4.93  
2012-01-25 02:35:50 Off the coast of Ibaraki     10km 4.83  
2012-01-26 05:21:25 Off the coast of Ibaraki     10km 4.93  
2012-01-26 05:42:54 Off the coast of Miyagi     40km 5.43  
2012-01-26 21:22:08 Off the coast of Fukushima     60km 4.73  
2012-01-27 13:19:24 Off the east coast of Chiba     10km 6.55 Lower  
2012-01-27 13:19:24 Off the east coast of Chiba     10km 5.34  
2012-01-27 13:19:24 Off the east coast of Chiba     10km 6.55 Lower  
2012-01-27 14:27:34 Off the east coast of Chiba     20km 4.43  
2012-01-28 07:39:44     10km 4.94  
2012-01-28 07:43:14     10km 5.24  
2012-01-28 07:46:35     20km 4.53  
2012-01-28 08:04:46     10km 4.53  
2012-01-28 09:22:05 Off the east coast of Aomori     20km 5.74  
2012-01-28 14:20:54 Off the coast of Ibaraki     10km 5.13  
2012-01-28 16:14:53 Near the coast of Ishigakijima     50km 4.73  
2012-01-28 21:44:24 Off the coast of Iwate     20km 5.03  
2012-01-29 16:46:43     20km 4.83  
2012-01-29 20:15:01 Near the coast of Tokara Islands     10km 4.63  
2012-01-30 03:18:25 Hyuganada     30km 4.93  
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