J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-07-01 06:49:19 Central Shizuoka     20 3.82  
2013-07-01 17:40:34 Off the coast of Sanriku     10 3.71  
2013-07-01 18:28:06 Off the coast of Uraga     60 4.73  
2013-07-02 05:01:57 Off the east coast of Aomori     40 3.52  
2013-07-02 05:29:38 Off the coast of Miyagi     20 3.61  
2013-07-03 23:09:05 Off the coast of Sanriku     10 3.7Unkn 
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 11:19:28 Off the coast of Miyagi     10 3.72  
2013-07-05 22:16:06 Off the coast of Miyagi     40 3.52  
2013-07-05 23:28:42 Off the coast of Ibaraki     50 3.52  
2013-07-06 07:00:46 Off the east coast of Chiba     10 5.03  
2013-07-07 10:51:24 Off the east coast of Chiba     20 3.62  
2013-07-08 19:35:09 Near the coast of Niijima / Kouzujima     10 4.83  
2013-07-09 05:02:41 Off the coast of Miyagi     70 3.52  
2013-07-10 00:21:48 West Kanagawa     10 4.03  
2013-07-10 11:28:27 Off the coast of Miyagi     60 3.52  
2013-07-10 14:22:25 Southern inland of Iwate     10 3.73  
2013-07-10 22:23:11 Off the east coast of Aomori     130 3.72  
2013-07-11 03:18:03 Off the coast of Miyagi     40 4.02  
2013-07-11 07:09:42 Off the coast of Fukushima     50 3.71  
2013-07-11 22:44:25 Off the coast of Miyagi     50 3.92  
2013-07-12 20:40:32 Off the coast of Iwate     10 3.51  
2013-07-13 03:31:23 Off the coast of Miyagi     20 4.12  
2013-07-13 10:27:31 Near the coast of Niijima / Kouzujima     10 4.03  
2013-07-13 14:31:12 Off the coast of Fukushima     30 3.52  
2013-07-13 20:10:22 Off the coast of Miyagi     10 3.51  
2013-07-13 23:36:09 Off the coast of Iwate     20 3.62  
2013-07-14 00:37:18 Off the southeast coast of Nemuro Peninsula     60 4.02  
2013-07-14 04:20:27 Off the coast of Iwate     10 3.51  
2013-07-14 09:09:29 Off the coast of Kushiro     20 3.52  
2013-07-14 11:33:01 Off the south coast of Tohoku     10 4.0Unkn 
2013-07-15 01:07:34 Off the southeast coast of Chiba     60 3.62  
2013-07-15 02:35:36 Off the coast of Sanriku     10 3.71  
2013-07-15 11:29:42 Off the coast of Miyagi     10 3.81  
2013-07-15 22:41:39 Near the coast of Yonagunijima     40 4.92  
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     10 4.83  
2013-07-16 08:01:17 Off the coast of Fukushima     10 3.61  
2013-07-16 10:44:00 Hamado-ri, Fukushima     50 3.52  
2013-07-16 18:34:59 Off the east coast of Chiba     10 4.72  
2013-07-16 23:09:23 Off the coast of Kushiro     60 5.64  
2013-07-17 12:07:51 Near Awaji island     10 4.04  
2013-07-17 22:34:19 Eastern Yamanashi-Fuji 5 Lakes     20 3.62  
2013-07-17 22:56:24 Northwest Chiba     70 4.53  
2013-07-18 03:38:08 Off the coast of Miyagi     40 3.52  
2013-07-18 15:09:55 Off the coast of Fukushima     10 3.61  
2013-07-19 02:05:03 Off the coast of Miyagi     40 4.02  
2013-07-19 04:38:31 Near the coast of Amami Oshima     10 4.33  
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     50 4.53  
2013-07-19 14:18:42 Iyonada     80 3.52  
2013-07-19 18:05:08 Off the coast of Miyagi     50 3.92  
2013-07-20 01:39:20 Off the coast of Fukushima     10 5.23  
2013-07-20 12:25:07 Satsuma, Kagoshima     10 3.63  
2013-07-20 15:06:23 Off the coast of Ibaraki     70 4.52  
2013-07-20 19:28:32 Off the east coast of Chiba     10 4.73  
2013-07-21 14:33:46 Off the coast of Ibaraki     80 3.51  
2013-07-21 16:03:21 Northeast Chiba     30 3.72  
2013-07-21 16:51:06 Off the south coast of Tokaido     480 4.3Unkn 
2013-07-21 18:52:57 Off the coast of Fukushima     60 3.71  
2013-07-22 18:45:22 Off the coast of Miyagi     50 3.82  
2013-07-23 08:24:44 Off the coast of Ibaraki     80 3.81  
2013-07-23 11:03:46 Off the coast of Fukushima     50 4.12  
2013-07-23 12:02:10 Nakado-ri, Fukushima     10 5.65 Lower  
2013-07-23 19:48:03 Nakado-ri, Fukushima     10 4.33  
2013-07-23 22:57:28 Off the coast of Iwate     10 3.51  
2013-07-24 14:34:18 Nakado-ri, Fukushima     10 3.93  
2013-07-24 18:37:39 Off the coast of Miyagi     50 3.72  
2013-07-24 21:00:33 Near the coast of Amami Oshima     10 3.52  
2013-07-25 17:52:04 Central Tokachi     120 3.52  
2013-07-26 01:55:33 Off the coast of Fukushima     60 3.52  
2013-07-26 04:05:05 Off the coast of Iwate     30 4.53  
2013-07-26 09:42:44 Off the coast of Iwate     40 3.72  
2013-07-26 10:33:28 Central Ehime     40 3.62  
2013-07-27 01:36:35 Off the coast of Iwate     10 3.61  
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     20 3.81  
2013-07-27 07:08:57 Off the southeast coast of Nemuro Peninsula     10 3.52  
2013-07-27 18:04:41 Off the coast of Sanriku     10 3.71  
2013-07-28 00:04:21 Off the coast of Miyagi     70 3.52  
2013-07-28 02:47:41 Off the coast of Ibaraki     10 3.52  
2013-07-28 20:35:46 Near the coast of Torishima     570 5.7Unkn 
2013-07-29 02:49:41 Off the coast of Sanriku     10 4.11  
2013-07-29 12:50:38 Off the coast of Miyagi     10 3.51  
2013-07-29 18:19:57 Off the coast of Miyagi     70 4.13  
2013-07-29 19:23:40 Off the east coast of Souya     310 4.0Unkn 
2013-07-30 01:05:49 Northern Ibaraki     70 3.62  
2013-07-30 03:26:30 Off the coast of Iwate     30 3.62  
2013-07-30 09:17:14 Off the coast of Kushiro     20 3.62  
2013-07-30 18:15:25 Off the coast of Fukushima     10 3.51  
2013-07-30 20:32:32 Northern Coast of Iwate Prefecture     60 3.52  
2013-07-30 22:53:29 Off the coast of Kushiro     100 3.51  
2013-07-31 03:14:37 Off the coast of Sanriku     10 3.81  
2013-07-31 06:20:44 Off the coast of Fukushima     70 4.02  
2013-07-31 09:14:10 Off the coast of Miyagi     10 4.22  
2013-07-31 12:21:46 Off the coast of Miyagi     10 3.51  
2013-07-31 17:35:58 Off the coast of Uraga     70 3.62  
2013-07-31 17:39:50 Off the coast of Sanriku     10 3.61  
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
2020 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
2021 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