J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-09-04 01:51:45 Off the coast of Fukushima     10 4.61  
2015-09-04 04:52:21 Off the east coast of Hachijojima     110 4.72  
2015-09-04 06:04:31 Off the coast of Miyagi     80 3.72  
2015-09-04 07:19:28 Off the coast of Sanriku     10 4.21  
2015-09-05 13:18:07 Off the coast of Miyagi     40 4.12  
2015-09-05 13:27:02 Off the coast of Miyagi     40 3.62  
2015-09-06 03:26:41 Northern Ibaraki     120 3.72  
2015-09-06 11:04:24 Off the west coast of Ishikawa     10 5.74  
2015-09-07 09:07:12 Off the southeast coast of Tanegashima     20 3.51  
2015-09-07 09:49:43 Off the coast of Sanriku     10 3.51  
2015-09-07 11:33:17 Off the coast of Iwate     10 3.61  
2015-09-08 11:15:54 Off the coast of Fukushima     30 3.82  
2015-09-08 20:22:38 駿河湾     10 4.83  
2015-09-09 13:44:59 Off the coast of Miyagi     20 3.61  
2015-09-11 03:16:55 Off the east coast of Aomori     10 3.51  
2015-09-11 05:16:03 Off the west coast of Aomori     170 3.5Unkn 
2015-09-11 09:08:10 Southern Wakayama     60 3.62  
2015-09-11 15:45:51 Off the southeast coast of Nemuro Peninsula     10 4.83  
2015-09-12 05:49:08 東京湾     50 5.13  
2015-09-12 08:38:08 Southern coast of Iwate     70 3.52  
2015-09-12 11:44:53 Off the coast of Ibaraki     50 3.62  
2015-09-12 22:38:00 Off the coast of Uraga     10 5.53  
2015-09-13 00:37:48 Central Sea of Japan     370 3.9Unkn 
2015-09-14 14:33:14 Central Tokachi     110 3.62  
2015-09-15 20:49:53 Hamado-ri, Fukushima     70 3.62  
2015-09-16 02:56:22 Near Taiwan     20 4.31  
2015-09-16 04:37:10 Near Taiwan     10 6.52  
2015-09-16 05:53:23 Southern Ibaraki     50 3.52  
2015-09-16 22:09:06 Near Taiwan     60 4.62  
2015-09-17 08:28:01 Off the southeast coast of Nemuro Peninsula     10 3.51  
2015-09-18 06:42:42 Off the east coast of Aomori     50 3.92  
2015-09-19 05:05:14 Off the coast of Ibaraki     50 3.62  
2015-09-19 23:01:00 Abashiri Region     10 4.13  
2015-09-20 17:08:07 Near the coast of Okinawa Island     10 3.51  
2015-09-20 17:30:47 Off the coast of Miyagi     60 3.52  
2015-09-21 08:26:17 遠州灘     400 4.0Unkn 
2015-09-21 08:26:19 遠州灘     380 4.2Unkn 
2015-09-21 10:47:49 Off the coast of Iwate     20 3.51  
2015-09-21 13:11:32 Off the east coast of Kanto     10 3.8Unkn 
2015-09-21 16:19:55 Southern Ehime     40 3.52  
2015-09-22 04:51:39 Off the west coast of Satsuma Peninsula     180 3.7Unkn 
2015-09-22 08:11:05 Near the coast of Amami Oshima     10 3.61  
2015-09-22 15:59:57 Off the coast of Ibaraki     20 3.62  
2015-09-22 17:56:46 Off the coast of Ibaraki     20 3.52  
2015-09-22 20:44:50 Near the coast of Okinawa Island     10 3.61  
2015-09-23 04:11:11 Off the coast of Iwate     30 3.51  
2015-09-23 05:14:57 Off the east coast of Aomori     50 3.52  
2015-09-23 20:37:00 Off the coast of Miyagi     40 3.52  
2015-09-23 23:44:29 Southern Ibaraki     80 3.72  
2015-09-24 15:19:45 Northern inland of Akita     10 3.73  
2015-09-24 17:21:45 Off the coast of Sanriku     10 4.52  
2015-09-24 19:04:53 Off the coast of Sanriku     10 4.01  
2015-09-24 21:00:10 Off the coast of Fukushima     10 3.51  
2015-09-25 06:07:24 Off the east coast of Aomori     60 3.62  
2015-09-25 14:54:42 Off the coast of Uraga     50 3.62  
2015-09-26 07:31:23 Off the coast of Fukushima     60 3.51  
2015-09-26 18:49:46 Tomakomai Bay     100 4.02  
2015-09-26 20:22:15 Off the east coast of Chiba     20 3.62  
2015-09-28 09:48:30 Northwest Chiba     60 3.52  
2015-09-28 12:04:42 Off the east coast of Chiba     20 3.52  
2015-09-29 01:33:54 Off the coast of Iwate     50 3.62  
2015-09-29 13:24:23 Off the southeast coast of Tanegashima     10 3.92  
2015-09-29 17:46:55 Off the coast of Sanriku     10 3.51  
2015-09-29 20:35:34 Off the coast of Sanriku     10 4.11  
2015-09-30 11:53:45 Off the coast of Miyagi     50 3.52  
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
2018 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
2019 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