J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-08-01 09:22:59 Off the coast of Miyagi     30 4.02  
2015-08-01 12:33:06 Off the coast of Miyagi     60 3.52  
2015-08-01 15:32:51 Off the east coast of Hachijojima     50 4.11  
2015-08-01 23:24:44 Off the coast of Miyagi     50 4.13  
2015-08-02 00:52:33 Off the southeast coast of Kyushu     40 3.51  
2015-08-02 06:51:41 Off the east coast of Osumi Peninsula     40 4.22  
2015-08-02 22:22:26 Off the coast of Iwate     20 3.51  
2015-08-03 14:20:47 Near the coast of Amami Oshima     10 3.71  
2015-08-03 14:30:09 Off the coast of Fukushima     70 4.93  
2015-08-04 05:13:21 Southern Nagano     10 3.73  
2015-08-05 18:36:05 Off the coast of Kushiro     20 3.51  
2015-08-05 20:56:07 Off the coast of Fukushima     40 5.03  
2015-08-06 10:45:27 Off the east coast of Chiba     10 4.13  
2015-08-06 18:22:35 Off the coast of Ibaraki     10 4.23  
2015-08-06 19:33:48 Off the southeast coast of Nemuro Peninsula     10 3.81  
2015-08-06 22:04:28 Off the coast of Fukushima     50 3.52  
2015-08-07 01:01:26 Near the coast of Okinawa Island     10 4.03  
2015-08-07 06:26:56 Off the southeast coast of Nemuro Peninsula     10 4.02  
2015-08-07 12:29:53 Central Sea of Japan     10 3.71  
2015-08-08 06:43:26 Off the coast of Iwate     70 3.72  
2015-08-08 18:33:37 Near the coast of Chichijima     10 5.01  
2015-08-08 21:57:52 Off the southeast coast of Nemuro Peninsula     40 5.43  
2015-08-09 11:08:55 Off the coast of Miyagi     70 3.82  
2015-08-09 18:18:12 Southern, Chiba     100 3.92  
2015-08-10 05:36:00 Off the coast of Miyagi     40 3.72  
2015-08-10 11:34:44 Northern Miyagi     80 4.33  
2015-08-10 13:15:04 Off the south coast of Wakayama     10 3.51  
2015-08-10 18:44:34 Southern Ibaraki     50 3.82  
2015-08-10 22:30:59 Off the coast of Miyagi     50 4.83  
2015-08-11 12:31:37 Near the coast of Miyakojima     50 5.73  
2015-08-11 20:05:33 Off the coast of Kushiro     10 5.73  
2015-08-12 20:38:04 Off the coast of Iwate     40 3.52  
2015-08-13 04:29:05 Off the coast of Ibaraki     60 3.72  
2015-08-13 15:15:24 Off the coast of Miyagi     20 3.51  
2015-08-13 23:07:58 Near Taiwan     10 5.53  
2015-08-14 10:23:47 Off the east coast of Hachijojima     50 4.41  
2015-08-14 13:43:54 Southern Tokachi     10 4.33  
2015-08-14 21:13:17 Off the coast of Miyagi     50 3.52  
2015-08-15 15:53:11 Off the coast of Uraga     70 3.52  
2015-08-15 17:10:23 Central Sea of Japan     410 3.6Unkn 
2015-08-16 08:44:20 Off the coast of Fukushima     40 4.22  
2015-08-16 22:57:23 Off the northwest coast of Ishigaki Island     90 3.71  
2015-08-17 00:57:41 Off the coast of Fukushima     10 3.92  
2015-08-17 21:31:54 Near the coast of Tanegashima     10 3.62  
2015-08-19 04:16:59 Off the south coast of the Boso Peninsula     90 3.82  
2015-08-19 21:21:10 Northern Coast of Iwate Prefecture     110 3.72  
2015-08-20 07:15:46 Off the coast of Miyagi     10 3.51  
2015-08-20 08:57:57 Off the coast of Fukushima     20 3.52  
2015-08-20 15:47:49 Near Kunashir     160 3.5Unkn 
2015-08-20 21:57:30 Off the coast of Miyagi     30 4.32  
2015-08-20 23:01:19 Off the coast of Uraga     80 3.82  
2015-08-21 04:32:54 Central Nagano     10 3.52  
2015-08-21 05:37:40 Off the coast of Miyagi     10 3.51  
2015-08-21 16:54:37 Bungo channel     40 3.93  
2015-08-22 21:14:07 Off the coast of Uraga     30 4.13  
2015-08-22 22:20:40 Near the coast of Tanegashima     10 3.62  
2015-08-23 11:08:43 Off the coast of Miyagi     80 4.23  
2015-08-23 14:04:04 Off the coast of Ibaraki     20 3.52  
2015-08-23 19:11:21 Off the coast of Ibaraki     50 3.52  
2015-08-24 12:59:02 Off the coast of Miyagi     10 3.91  
2015-08-24 14:49:44 Off the coast of Fukushima     10 4.13  
2015-08-25 03:24:36 Off the coast of Miyagi     40 4.73  
2015-08-25 10:49:13 Off the coast of Iwate     40 3.61  
2015-08-25 11:04:08 Off the coast of Tokachi     90 3.72  
2015-08-25 14:57:44 Off the coast of Miyagi     40 3.62  
2015-08-26 07:51:25 Off the southeast coast of Kyushu     10 5.53  
2015-08-26 16:23:01 Off the coast of Fukushima     50 3.51  
2015-08-26 19:49:10 Off the coast of Sanriku     10 3.61  
2015-08-26 23:45:04 Off the coast of Miyagi     50 3.52  
2015-08-27 12:23:12 Central East Iburi Subprefecture     150 4.0Unkn 
2015-08-28 04:10:10 Near Etorofu-to     160 4.6Unkn 
2015-08-28 06:13:15 Central Hidaka     50 3.52  
2015-08-28 06:47:16 Off the coast of Ibaraki     30 3.62  
2015-08-28 07:37:50 Off the coast of Ibaraki     30 3.52  
2015-08-28 08:04:47 Off the southeast coast of Mie     350 3.8Unkn 
2015-08-28 10:12:41 Hyuganada     30 3.52  
2015-08-28 19:03:14 Off the coast of Fukushima     10 3.51  
2015-08-28 23:46:18 Off the coast of Ibaraki     10 5.53  
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
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