J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-08-01 09:24:00 Off the coast of Miyagi     40 4.53  
2015-08-01 12:34:09 Off the coast of Miyagi     60 3.52  
2015-08-01 15:34:15 Off the east coast of Hachijojima     50 3.91  
2015-08-01 23:25:51 Off the coast of Miyagi     60 4.53  
2015-08-02 00:53:43 Off the southeast coast of Kyushu     40 3.51  
2015-08-02 06:52:54 Off the southeast coast of Tanegashima     10 4.72  
2015-08-02 22:23:45 Off the coast of Iwate     10 3.71  
2015-08-03 14:22:13 Near the coast of Amami Oshima     10 3.71  
2015-08-03 14:31:12 Off the coast of Fukushima     50 5.03  
2015-08-04 05:14:15 Nagano-South     10 3.73  
2015-08-05 18:37:11 Off the coast of Kushiro     30 4.12  
2015-08-05 20:57:09 Off the coast of Fukushima     50 5.33  
2015-08-06 10:46:16 Off the east coast of Chiba     30 4.33  
2015-08-06 18:23:27 Off the coast of Ibaraki     50 5.64  
2015-08-06 19:35:11 Off the southeast coast of Nemuro Peninsula     50 3.62  
2015-08-06 22:05:33 Off the coast of Fukushima     50 3.52  
2015-08-07 01:02:20 Near the coast of Okinawa Island     10 3.83  
2015-08-07 06:28:29 Off the southeast coast of Nemuro Peninsula     10 4.02  
2015-08-07 12:31:15 Central Sea of Japan     10 3.71  
2015-08-08 06:44:29 Off the coast of Iwate     70 3.52  
2015-08-08 18:35:56 Near the coast of Chichijima     10 5.01  
2015-08-08 21:59:11 Off the southeast coast of Nemuro Peninsula     40 4.43  
2015-08-09 11:09:57 Off the coast of Miyagi     60 3.52  
2015-08-09 18:19:12 Chiba-Northwestern     60 4.73  
2015-08-10 05:37:03 Off the coast of Miyagi     50 4.02  
2015-08-10 11:35:46 Off the coast of Miyagi     80 4.53  
2015-08-10 13:16:06 Off the south coast of Wakayama     10 3.51  
2015-08-10 18:45:30 Ibaraki-South     50 4.03  
2015-08-10 22:32:02 Off the coast of Miyagi     30 4.63  
2015-08-11 12:32:52 Near the coast of Miyakojima     20 4.53  
2015-08-11 20:06:42 Off the coast of Kushiro     50 4.53  
2015-08-12 20:39:06 Off the coast of Iwate     40 3.52  
2015-08-13 04:29:57 Off the coast of Ibaraki     60 3.72  
2015-08-13 15:16:26 Off the coast of Miyagi     40 3.72  
2015-08-14 10:25:12 Off the east coast of Hachijojima     50 4.41  
2015-08-14 13:44:45 Tokachi-Central     80 5.24  
2015-08-14 21:14:12 Off the coast of Miyagi     50 3.52  
2015-08-15 15:54:07 Off the coast of Uraga     70 3.52  
2015-08-15 17:13:52 Central Sea of Japan     400 3.6Unkn 
2015-08-16 08:45:22 Off the coast of Fukushima     40 4.32  
2015-08-16 22:58:38 Off the northwest coast of Ishigaki Island     90 3.71  
2015-08-17 00:58:54 Off the coast of Fukushima     30 3.82  
2015-08-17 21:32:50 Near the coast of Tanegashima     10 3.32  
2015-08-19 04:18:07 Off the south coast of the Boso Peninsula     80 4.02  
2015-08-19 21:22:16 Iwate Northern Coast     120 3.72  
2015-08-20 07:17:00 Off the coast of Miyagi     10 3.51  
2015-08-20 08:58:53 Off the coast of Fukushima     20 3.52  
2015-08-20 15:49:05 Near Kunashir     160 3.5Unkn 
2015-08-20 21:58:31 Off the coast of Miyagi     40 4.83  
2015-08-20 23:02:19 Off the coast of Uraga     70 3.72  
2015-08-21 04:33:44 Nagano-Central     10 3.32  
2015-08-21 05:39:00 Off the coast of Miyagi     10 4.02  
2015-08-21 16:55:31 Bungo channel     50 4.33  
2015-08-22 21:15:01 Off the coast of Uraga     40 4.53  
2015-08-22 22:21:36 Near the coast of Tanegashima     10 3.42  
2015-08-23 11:09:43 Off the coast of Miyagi     80 4.43  
2015-08-23 14:05:01 Off the coast of Ibaraki     30 3.82  
2015-08-23 19:12:15 Off the coast of Ibaraki     50 3.92  
2015-08-24 13:00:27 Off the coast of Miyagi     10 4.82  
2015-08-24 14:50:40 Off the coast of Fukushima     20 4.53  
2015-08-25 03:25:40 Off the coast of Miyagi     40 4.93  
2015-08-25 10:50:15 Off the coast of Iwate     40 3.61  
2015-08-25 11:05:49 Off the coast of Tokachi     10 3.81  
2015-08-25 14:58:46 Off the coast of Miyagi     50 3.82  
2015-08-26 07:52:32 Hyuganada     30 5.44  
2015-08-26 16:24:19 Off the coast of Fukushima     40 4.52  
2015-08-26 19:50:23 Off the coast of Iwate     30 3.92  
2015-08-26 23:46:18 Off the coast of Miyagi     50 3.52  
2015-08-27 12:24:22 Hidaka-West     140 4.32  
2015-08-28 04:12:31 Near Etorofu-to     150 4.6Unkn 
2015-08-28 06:14:10 Hidaka-Central     70 3.72  
2015-08-28 06:48:14 Off the coast of Ibaraki     30 3.92  
2015-08-28 07:38:48 Off the coast of Ibaraki     30 3.92  
2015-08-28 08:07:10 Off the southeast coast of Mie     360 4.2Unkn 
2015-08-28 10:13:36 Hyuganada     40 3.42  
2015-08-28 19:04:29 Off the coast of Fukushima     30 3.71  
2015-08-28 23:47:19 Off the coast of Ibaraki     50 4.73  
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