J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-09-04 01:53:36 Off the coast of Fukushima     10 5.32  
2015-09-04 04:53:44 Off the east coast of Hachijojima     100 4.72  
2015-09-04 06:05:29 Off the coast of Miyagi     70 3.62  
2015-09-04 07:21:21 Off the coast of Sanriku     10 4.92  
2015-09-05 13:19:12 Off the coast of Miyagi     40 4.43  
2015-09-05 13:28:07 Off the coast of Miyagi     40 3.72  
2015-09-06 03:27:51 Fukushima-Hamadori     110 3.52  
2015-09-07 09:08:21 Off the southeast coast of Tanegashima     20 3.51  
2015-09-07 09:50:56 Off the coast of Sanriku     10 3.71  
2015-09-07 11:34:22 Off the coast of Iwate     30 3.92  
2015-09-08 11:16:58 Off the coast of Fukushima     30 4.12  
2015-09-08 20:23:32     30 4.93  
2015-09-09 13:46:05 Off the coast of Fukushima     40 4.02  
2015-09-11 03:18:21 Off the east coast of Aomori     10 4.32  
2015-09-11 05:17:23     170 3.7Unkn 
2015-09-11 09:09:01 Wakayama-South     60 3.52  
2015-09-11 15:48:13 Off the southeast coast of Nemuro Peninsula     10 4.93  
2015-09-12 05:50:00     60 5.84  
2015-09-12 08:39:05 Iwate Southern Coast     70 3.42  
2015-09-12 11:45:56 Off the coast of Ibaraki     40 4.52  
2015-09-12 22:39:07 Off the coast of Uraga     70 5.74  
2015-09-13 00:40:52 Central Sea of Japan     370 4.0Unkn 
2015-09-14 14:34:19 Tokachi-Central     110 3.62  
2015-09-15 20:50:55 Fukushima-Hamadori     80 3.52  
2015-09-16 02:57:40 Near Taiwan     20 4.31  
2015-09-16 04:39:09 Near Taiwan     20 5.53  
2015-09-16 05:54:12 Ibaraki-South     30 4.13  
2015-09-16 22:10:39 Near Taiwan     60 4.93  
2015-09-17 08:29:16 Off the southeast coast of Nemuro Peninsula     10 3.72  
2015-09-18 06:43:49 Off the east coast of Aomori     60 4.53  
2015-09-19 05:06:15 Off the coast of Ibaraki     50 3.92  
2015-09-19 23:01:55 Kushiro-South Central     10 4.23  
2015-09-20 17:09:24 Near the coast of Okinawa Island     10 3.51  
2015-09-20 17:31:53 Off the coast of Miyagi     50 3.52  
2015-09-21 08:28:28 Enshu     360 3.9Unkn 
2015-09-21 08:28:33 Enshu     370 4.2Unkn 
2015-09-21 10:48:54 Off the coast of Iwate     20 3.61  
2015-09-21 13:13:49 Off the east coast of Kanto     10 4.0Unkn 
2015-09-21 16:20:47 Ehime-Nanyo     40 3.52  
2015-09-22 04:52:59 Off the west coast of Satsuma Peninsula     190 3.6Unkn 
2015-09-22 08:12:35 Near the coast of Amami Oshima     10 3.71  
2015-09-22 16:00:54 Off the coast of Ibaraki     20 4.12  
2015-09-22 17:57:44 Off the coast of Ibaraki     20 4.33  
2015-09-22 20:46:11 Near the coast of Okinawa Island     10 3.4Unkn 
2015-09-23 04:12:20 Off the coast of Iwate     30 3.41  
2015-09-23 05:15:59 Off the east coast of Aomori     50 3.52  
2015-09-23 20:37:54 Off the coast of Miyagi     40 3.42  
2015-09-23 23:45:28 Ibaraki-South     70 3.52  
2015-09-24 15:20:36 Akita Northern Inland     10 4.23  
2015-09-24 17:23:15 Off the coast of Sanriku     10 4.62  
2015-09-24 19:06:26 Off the coast of Sanriku     10 4.31  
2015-09-24 21:01:24 Off the coast of Fukushima     30 3.81  
2015-09-25 06:08:31 Off the east coast of Aomori     50 3.62  
2015-09-25 14:55:41 Off the coast of Uraga     50 3.11  
2015-09-26 07:32:25 Off the coast of Fukushima     50 3.82  
2015-09-26 18:50:53 Off the coast of Uraga     90 4.53  
2015-09-26 20:23:18 Off the east coast of Chiba     20 4.03  
2015-09-28 09:49:23 Chiba-Northwestern     60 3.52  
2015-09-28 12:05:35 Off the east coast of Chiba     10 3.52  
2015-09-29 01:34:51 Off the coast of Iwate     50 3.62  
2015-09-29 13:26:10 Off the southeast coast of Tanegashima     10 4.02  
2015-09-29 17:48:45 Off the coast of Sanriku     10 5.02  
2015-09-29 20:37:12 Off the coast of Sanriku     10 5.42  
2015-09-30 11:54:49 Off the coast of Miyagi     60 4.02  
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