J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2021-02-01 17:34:35 Off the coast of Fukushima     10 3.71  
2021-02-02 18:36:39 Off the coast of Fukushima     50 3.41  
2021-02-03 15:47:02 Off the coast of Miyagi     50 3.62  
2021-02-04 12:40:09 Off the coast of Ibaraki     50 3.72  
2021-02-04 14:26:29 Near Iriomotejima     40 3.52  
2021-02-05 02:06:36 Off the northwest coast of Amami Oshima     10 3.51  
2021-02-07 02:35:57 Near Taiwan     150 5.63  
2021-02-08 23:24:02 Off the coast of Kushiro     40 53  
2021-02-09 01:57:56 Near Taiwan     10 5.62  
2021-02-09 12:39:23 Off the southeast coast of Tanegashima     10 4.82  
2021-02-09 13:48:13 Off the coast of Tokachi     10 41  
2021-02-11 00:24:21 Off the coast of Hachijojima     100 3.81  
2021-02-12 11:15:09 Off the south coast of Tokaido     340 3.9Unkn 
2021-02-12 13:52:16 Off the southeast coast of Tanegashima     10 5.12  
2021-02-13 00:52:23 Off the coast of Ibaraki     30 3.52  
2021-02-13 10:25:16 Off the southeast coast of Tanegashima     30 3.62  
2021-02-13 23:07:50 Off the coast of Fukushima     60 6.34  
2021-02-13 23:38:52 Off the coast of Fukushima     30 3.41  
2021-02-13 23:51:05 Off the coast of Fukushima     50 3.72  
2021-02-13 23:51:44 Off the coast of Fukushima     30 4.83  
2021-02-14 00:05:13 Off the coast of Fukushima     30 3.72  
2021-02-14 00:15:03 Off the coast of Fukushima     50 3.62  
2021-02-14 00:24:54 Off the coast of Fukushima     40 3.62  
2021-02-14 00:36:48 Off the coast of Fukushima     50 3.52  
2021-02-14 01:09:10 Off the coast of Fukushima     50 3.31  
2021-02-14 01:32:59 Off the coast of Fukushima     40 3.92  
2021-02-14 02:01:16 Off the coast of Fukushima     50 3.62  
2021-02-14 03:25:28 Off the coast of Iwate     50 4.73  
2021-02-14 14:53:52 Off the coast of Fukushima     50 3.62  
2021-02-14 15:47:14 Off the coast of Fukushima     40 3.52  
2021-02-14 16:31:50 Off the coast of Fukushima     50 4.73  
2021-02-14 16:59:23 Off the coast of Fukushima     50 42  
2021-02-14 17:47:49 Off the coast of Fukushima     40 3.92  
2021-02-14 18:26:59 Off the coast of Fukushima     50 4.12  
2021-02-14 19:41:00 Off the coast of Fukushima     50 3.82  
2021-02-14 20:41:22 Off the coast of Fukushima     40 3.62  
2021-02-14 23:31:42 Off the coast of Fukushima     50 3.51  
2021-02-15 20:27:19 Off the coast of Fukushima     40 3.92  
2021-02-15 20:59:52 Off the coast of Fukushima     40 3.82  
2021-02-15 21:26:05 Off the coast of Fukushima     40 5.33  
2021-02-16 02:03:34 Off the coast of Fukushima     40 3.31  
2021-02-16 08:15:50 Off the coast of Fukushima     50 3.52  
2021-02-16 22:59:25 Off the coast of Fukushima     40 3.51  
2021-02-16 23:31:35 Off the coast of Fukushima     50 3.62  
2021-02-17 00:57:47 Off the southeast coast of Tanegashima     10 5.22  
2021-02-17 07:07:22 Off the coast of Miyagi     50 4.73  
2021-02-17 23:06:17 Off the coast of Fukushima     60 4.63  
2021-02-18 01:46:45 Near the coast of Okinawa     10 4.33  
2021-02-18 11:52:21 Off the coast of Fukushima     40 3.52  
2021-02-18 15:02:42 Off the coast of Fukushima     50 3.92  
2021-02-18 16:01:07 Off the coast of Uraga     80 3.82  
2021-02-18 19:37:31 Off the coast of Fukushima     50 3.72  
2021-02-18 21:42:57 Off the coast of Fukushima     80 4.12  
2021-02-19 10:07:10 Off the coast of Fukushima     50 4.73  
2021-02-19 18:18:00 Off the east coast of Satsunan Islands     10 4.31  
2021-02-20 01:16:28 Off the east coast of Aomori     30 4.73  
2021-02-20 04:01:07 Off the coast of Fukushima     50 3.92  
2021-02-20 08:53:48 Off the coast of Fukushima     10 3.51  
2021-02-20 22:23:25 Off the east coast of Hokkaido     80 4.92  
2021-02-26 07:13:06 Off the coast of Fukushima     60 3.62  
2021-02-26 13:04:24 Off the coast of Fukushima     50 4.32  
2021-02-26 14:03:04 Off the coast of Fukushima     50 3.42  
2021-02-26 19:18:29 Off the coast of Fukushima     50 42  
2021-02-26 20:31:34 Off the east coast of Aomori     70 4.33  
2021-02-27 00:33:26 Off the coast of Fukushima     70 4.12  
2021-02-27 02:03:49 Off the coast of Fukushima     50 4.42  
2021-02-28 13:14:04 Off the east coast of Chiba     10 3.83  
2021-02-28 23:30:16 Off the southeast coast of Tanegashima     10 4.53  
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
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