J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-02-01 00:43:48     10 4.54  
2015-02-01 05:18:51 Off the coast of Miyagi     50 3.52  
2015-02-02 01:26:35 Off the coast of Fukushima     30 3.81  
2015-02-02 15:49:24 Off the coast of Iwate     30 4.32  
2015-02-02 18:07:20 Off the east coast of Chiba     10 4.03  
2015-02-02 19:36:47 Off the coast of Miyagi     30 3.62  
2015-02-03 13:33:07 Northern Sea of Japan     10 3.71  
2015-02-03 14:08:32 Ehime-Nanyo     50 3.52  
2015-02-04 01:11:38 Off the coast of Iwate     60 3.62  
2015-02-04 15:09:08     10 4.13  
2015-02-06 02:55:27 Off the coast of Miyagi     60 4.02  
2015-02-06 05:29:45 Off the coast of Miyagi     50 3.82  
2015-02-06 10:26:10 Tokushima-South     10 4.94  
2015-02-07 13:27:02 Near the coast of Miyakojima     30 3.62  
2015-02-07 15:20:05 Chiba-Northwestern     60 4.23  
2015-02-08 01:43:16 Northern Sea of Japan     370 4.6Unkn 
2015-02-08 10:52:51 Near the coast of Amami Oshima     20 3.52  
2015-02-08 14:53:35 Off the northwest coast of Ishigaki Island     10 3.92  
2015-02-09 19:50:04 Off the east coast of Chiba     10 3.63  
2015-02-09 20:11:08 Off the coast of Fukushima     50 3.51  
2015-02-10 06:44:54 Off the coast of Iwate     20 3.82  
2015-02-10 07:56:46 Off the coast of Sanriku     10 3.81  
2015-02-10 13:37:59 Off the coast of Miyagi     30 3.31  
2015-02-11 04:24:54 Off the coast of Miyagi     50 4.23  
2015-02-12 18:47:13 Off the coast of Miyagi     10 4.32  
2015-02-13 10:27:14 Near the coast of Okinawa Island     30 3.52  
2015-02-13 16:01:34 Tomakomai Bay     80 3.82  
2015-02-13 20:30:24 Off the coast of Sanriku     10 4.2Unkn 
2015-02-14 04:01:15 Off the coast of Sanriku     10 4.21  
2015-02-14 05:09:47 Near Taiwan     10 6.32  
2015-02-14 07:31:00 Off the coast of Miyagi     50 3.52  
2015-02-14 23:18:06 Tokushima-North     40 3.52  
2015-02-15 09:15:32 Off the coast of Ibaraki     30 4.43  
2015-02-15 23:35:55 Off the southeast coast of Tanegashima     20 3.92  
2015-02-16 03:49:07 Off the coast of Miyagi     30 3.42  
2015-02-16 11:55:19     100 3.52  
2015-02-17 00:15:33 Near the coast of Okinawa Island     20 3.52  
2015-02-17 08:08:13 Off the coast of Sanriku     10 7.04  
2015-02-17 08:18:06 Off the southeast coast of Nemuro Peninsula     110 3.82  
2015-02-17 09:38:51 Off the coast of Sanriku     10 4.01  
2015-02-17 09:51:24 Off the coast of Sanriku     10 4.21  
2015-02-17 10:16:17 Off the coast of Sanriku     10 3.81  
2015-02-17 10:29:02 Off the coast of Sanriku     10 3.81  
2015-02-17 10:48:03 Off the coast of Miyagi     60 4.43  
2015-02-17 11:32:11 Off the coast of Sanriku     10 4.21  
2015-02-17 12:24:38 Off the coast of Sanriku     10 3.71  
2015-02-17 13:39:56 Off the coast of Sanriku     10 3.51  
2015-02-17 13:47:42 Off the coast of Iwate     50 5.84  
2015-02-17 16:21:27 Off the coast of Ibaraki     50 4.12  
2015-02-18 01:35:21 Off the coast of Sanriku     10 5.52  
2015-02-18 03:05:18 Off the east coast of Aomori     40 3.82  
2015-02-18 03:37:43 Off the coast of Sanriku     10 3.61  
2015-02-18 03:48:59 Off the coast of Sanriku     10 3.51  
2015-02-18 12:14:55 Off the coast of Miyagi     60 3.82  
2015-02-19 21:29:22 Off the northeast coast of Amami Oshima     50 3.72  
2015-02-21 19:16:03 Off the coast of Sanriku     10 6.03  
2015-02-22 10:20:23 Off the coast of Tokachi     60 3.52  
2015-02-22 11:55:36 Off the coast of Sanriku     10 5.43  
2015-02-22 20:56:16 Off the coast of Ibaraki     40 3.52  
2015-02-23 04:45:06 Off the coast of Sanriku     10 4.62  
2015-02-23 06:40:00 Off the coast of Sanriku     10 3.61  
2015-02-23 10:39:18 Off the coast of Sanriku     10 4.01  
2015-02-23 15:34:03 Tomakomai Bay     90 3.72  
2015-02-23 17:01:04 Chiba-Northwestern     60 4.63  
2015-02-24 10:43:41 Off the coast of Sanriku     10 3.91  
2015-02-24 11:30:37 Off the coast of Sanriku     10 5.83  
2015-02-24 16:26:37 Near the coast of Miyakojima     50 4.43  
2015-02-24 19:37:17 Off the coast of Iwate     50 4.42  
2015-02-24 19:56:57 Off the coast of Iwate     30 4.22  
2015-02-25 17:59:02 Off the coast of Ibaraki     20 4.13  
2015-02-25 19:33:42 Off the coast of Sanriku     10 4.41  
2015-02-26 10:12:30 Off the coast of Miyagi     50 4.93  
2015-02-27 03:56:27 Off the southeast coast of Mie     30 3.52  
2015-02-27 04:17:31 Off the east coast of Kanto     10 4.41  
2015-02-27 07:34:18 Off the east coast of Satsunan Islands     10 5.02  
2015-02-27 08:09:29 Off the east coast of Satsunan Islands     10 4.62  
2015-02-27 16:59:24 Off the northwest coast of Amami Oshima     110 4.42  
2015-02-28 09:41:54 Off the coast of Kushiro     100 4.32  
2015-02-28 17:41:40 Off the east coast of Chiba     30 4.33  
2015-02-28 17:51:27 Off the southeast coast of Nemuro Peninsula     10 3.81  
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