J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-07-01 06:49:18 Central Shizuoka     30 3.92  
2013-07-01 17:40:36 Off the coast of Sanriku     10 3.71  
2013-07-01 18:28:04 Off the coast of Uraga     60 4.73  
2013-07-02 05:01:56 Off the east coast of Aomori     60 3.52  
2013-07-02 05:29:38 Off the coast of Miyagi     20 3.61  
2013-07-03 23:09:04 Off the coast of Sanriku     10 4.1Unkn 
2013-07-04 13:50:24 Off the coast of Miyagi     50 3.51  
2013-07-05 04:03:43 Off the northeast coast of Amami Oshima     60 3.51  
2013-07-05 06:01:00 Off the south coast of the Boso Peninsula     10 3.61  
2013-07-05 11:19:29 Off the coast of Miyagi     10 3.51  
2013-07-05 22:16:06 Off the coast of Miyagi     40 3.52  
2013-07-05 23:28:41 Off the coast of Ibaraki     50 3.52  
2013-07-06 07:00:46 Off the coast of Ibaraki     20 4.93  
2013-07-07 10:51:23 Off the east coast of Chiba     20 3.52  
2013-07-08 19:35:09 Near the coast of Niijima / Kouzujima     10 4.33  
2013-07-09 05:02:43 Off the coast of Miyagi     60 3.42  
2013-07-10 00:21:46 35.1 North - 139.1 East     10 4.23  
2013-07-10 11:28:27 Off the coast of Miyagi     60 3.52  
2013-07-10 14:22:15 39.6 North - 141.6 East     80 5.24  
2013-07-10 22:23:14 Off the east coast of Aomori     100 3.52  
2013-07-11 03:18:02 Off the coast of Miyagi     40 4.53  
2013-07-11 03:18:03 Off the coast of Miyagi     50km 4.53  
2013-07-11 07:09:40 Off the coast of Fukushima     10 3.91  
2013-07-11 22:44:24 Off the coast of Miyagi     60km 4.43  
2013-07-12 20:40:32 Off the coast of Iwate     10 3.51  
2013-07-13 03:31:20 Off the coast of Miyagi     10km 4.83  
2013-07-13 10:27:31 Near the coast of Niijima / Kouzujima     10 4.03  
2013-07-13 14:31:08 Off the coast of Fukushima     10 3.71  
2013-07-13 20:10:23 Off the coast of Miyagi     10 3.51  
2013-07-13 23:36:08 Off the coast of Iwate     20 3.51  
2013-07-14 00:37:22 Off the southeast coast of Nemuro Peninsula     50 3.92  
2013-07-14 04:20:28 Off the coast of Iwate     10 3.61  
2013-07-14 09:09:29 Off the coast of Kushiro     20 3.52  
2013-07-14 11:33:00 Off the south coast of Tohoku     10 4.2Unkn 
2013-07-15 01:07:34 Off the southeast coast of Chiba     60 3.52  
2013-07-15 02:35:38 Off the coast of Sanriku     10 3.91  
2013-07-15 11:29:42 Off the coast of Miyagi     10 3.51  
2013-07-15 22:41:39 Near the coast of Yonagunijima     40km 5.33  
2013-07-16 06:17:12 Near the coast of Miyakojima     20 3.61  
2013-07-16 07:46:03 Off the coast of Iwate     10km 5.13  
2013-07-16 08:01:17 Off the coast of Fukushima     10 3.61  
2013-07-16 10:43:59 Off the coast of Fukushima     50 3.72  
2013-07-16 18:34:53 Off the east coast of Kanto     10 5.02  
2013-07-16 23:09:23 Off the coast of Kushiro     60km 5.03  
2013-07-17 12:07:51 Near Awaji island     10 4.04  
2013-07-17 22:34:18 35.5 North - 139.0 East     20 3.52  
2013-07-17 22:56:24 35.7 North - 140.2 East     60 4.33  
2013-07-18 03:38:09 Off the coast of Miyagi     40 3.42  
2013-07-18 15:09:54 Off the coast of Fukushima     10 3.51  
2013-07-19 02:05:02 Off the coast of Miyagi     40 4.12  
2013-07-19 04:38:19 Near the coast of Amami Oshima     10 5.12  
2013-07-19 04:52:23 Off the coast of Fukushima     50 3.51  
2013-07-19 08:44:12 Off the coast of Iwate     50km 5.03  
2013-07-19 14:18:42 Iyonada     80 3.52  
2013-07-19 18:05:07 Off the coast of Miyagi     50 4.02  
2013-07-20 01:39:20 Off the coast of Fukushima     10km 5.53  
2013-07-20 12:25:07 Satsuma, Kagoshima     10km 3.73  
2013-07-20 15:06:24 Off the coast of Ibaraki     50km 5.43  
2013-07-21 14:33:45 Off the coast of Ibaraki     10 3.81  
2013-07-21 16:03:21 Northeast Chiba     40km 4.53  
2013-07-21 16:51:17 Off the southeast coast of Mie     390 4.0Unkn 
2013-07-21 18:52:59 Off the coast of Ibaraki     10 3.92  
2013-07-22 18:45:22 Off the coast of Miyagi     50 3.72  
2013-07-23 08:24:44 Off the coast of Ibaraki     10 3.91  
2013-07-23 11:03:45 Off the coast of Fukushima     40 4.72  
2013-07-23 12:02:11 Hamado-ri, Fukushima     10 5.14  
2013-07-23 19:48:03 Nakado-ri, Fukushima     10km 3.73  
2013-07-23 22:57:28 Off the coast of Iwate     10 3.61  
2013-07-24 14:34:18 Nakado-ri, Fukushima     10km 3.73  
2013-07-24 18:37:39 Off the coast of Miyagi     50 3.32  
2013-07-24 21:00:33 Near the coast of Amami Oshima     10 3.52  
2013-07-25 17:52:04 42.9 North - 143.4 East     120 3.72  
2013-07-26 01:55:33 Off the coast of Fukushima     50 3.52  
2013-07-26 04:05:04 Off the coast of Iwate     10 4.73  
2013-07-26 09:42:44 Off the coast of Iwate     30 3.82  
2013-07-26 10:33:28 33.8 North - 132.8 East     40 3.52  
2013-07-27 01:36:36 Off the coast of Iwate     10 3.31  
2013-07-27 02:12:43 Near the coast of Okinawa Island     30 3.52  
2013-07-27 04:47:02 Off the coast of Fukushima     10 3.51  
2013-07-27 07:08:57 Off the southeast coast of Nemuro Peninsula     10 3.92  
2013-07-27 18:04:45 Off the coast of Sanriku     10 4.22  
2013-07-28 00:04:22 Off the coast of Miyagi     60 3.52  
2013-07-28 02:47:41 Off the coast of Ibaraki     10 3.52  
2013-07-28 20:35:58 Near the coast of Torishima     490 5.4Unkn 
2013-07-29 02:49:43 Off the coast of Sanriku     10 4.01  
2013-07-29 12:50:39 Off the coast of Miyagi     10 3.71  
2013-07-29 18:19:58 Off the coast of Miyagi     70 3.72  
2013-07-29 19:23:26 46.3 North - 143.3 East     410 4.4Unkn 
2013-07-30 01:05:50 Northern Ibaraki     60 3.52  
2013-07-30 03:26:30 Off the coast of Iwate     10 3.72  
2013-07-30 09:17:11 Off the coast of Kushiro     50 4.02  
2013-07-30 18:15:25 Off the coast of Fukushima     10 3.51  
2013-07-30 20:32:32 39.8 North - 141.9 East     60 3.52  
2013-07-30 22:53:30 Off the coast of Kushiro     90 3.61  
2013-07-31 03:14:37 Off the coast of Sanriku     10 3.91  
2013-07-31 06:20:45 Off the coast of Fukushima     50 3.72  
2013-07-31 09:14:11 Off the coast of Miyagi     10 5.03  
2013-07-31 12:21:46 Off the coast of Miyagi     10 3.51  
2013-07-31 17:35:59 Off the coast of Uraga     70 3.72  
2013-07-31 17:39:52 Off the coast of Iwate     10 3.71  
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