J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2021-07-01 06:44:00 Off the coast of Iwate     50 4.12  
2021-07-01 23:40:14 Off the coast of Miyagi     40 3.31  
2021-07-02 17:15:38 Off the coast of Miyagi     10 3.82  
2021-07-03 01:46:01 Off the east coast of Chiba     10 4.34  
2021-07-04 01:24:00 Off the coast of Iwate     50 3.72  
2021-07-04 02:19:57 Off the coast of Uraga     50 3.72  
2021-07-04 04:06:06 Off the coast of Miyagi     60 3.62  
2021-07-04 15:35:21 Off the coast of Ibaraki     50 4.43  
2021-07-04 22:32:04 Off the northwest coast of Amami Oshima     10 4.32  
2021-07-05 01:22:37 Off the coast of Sanriku     10 3.7Unkn 
2021-07-05 07:05:19 Off the northwest coast of Amami Oshima     10 3.61  
2021-07-05 07:36:20 Off the northwest coast of Amami Oshima     10 3.61  
2021-07-05 10:27:51 Off the northwest coast of Amami Oshima     10 3.81  
2021-07-05 10:48:20 Off the northwest coast of Amami Oshima     10 3.61  
2021-07-05 12:20:10 Central Sea of Japan     350 3.5Unkn 
2021-07-05 15:10:54 Off the northwest coast of Amami Oshima     10 3.61  
2021-07-06 04:06:03 Off the northwest coast of Amami Oshima     10 42  
2021-07-06 12:23:29 Off the northwest coast of Amami Oshima     10 3.51  
2021-07-06 18:34:12 Off the northwest coast of Amami Oshima     10 4.72  
2021-07-06 23:21:54 Off the east coast of Aomori     80 3.72  
2021-07-07 23:55:32 Off the northwest coast of Amami Oshima     10 4.52  
2021-07-08 01:24:36 Iyonada     50 3.62  
2021-07-08 02:02:34 Central Sea of Japan     370 4.7Unkn 
2021-07-09 06:40:20 Off the coast of Fukushima     70 3.62  
2021-07-09 09:08:57 Near the coast of Ishigakijima     10 3.82  
2021-07-09 11:02:33 Off the coast of Iwate     40 3.51  
2021-07-10 01:26:11 Off the east coast of Aomori     60 3.62  
2021-07-10 05:23:43 Off the coast of Fukushima     50 4.92  
2021-07-10 08:28:19 Off the coast of Fukushima     10 4.1Unkn 
2021-07-11 03:49:10 Off the northwest coast of Amami Oshima     10 4.42  
2021-07-11 05:33:26 Off the northwest coast of Amami Oshima     10 3.81  
2021-07-11 09:16:41 Toyama Bay     10 4.5Unkn 
2021-07-11 11:34:09 Off the northwest coast of Amami Oshima     10 4.52  
2021-07-12 20:25:32 Off the coast of Miyagi     40 3.52  
2021-07-14 04:09:12 Off the east coast of Osumi Peninsula     20 3.52  
2021-07-14 14:27:35 Off the coast of Fukushima     80 3.61  
2021-07-15 20:12:10 Off the coast of Sanriku     20 4.32  
2021-07-16 13:19:57 Hachijo-jima     10 5.84  
2021-07-16 13:54:55 Hachijo-jima     10 4.22  
2021-07-16 14:09:48 Hachijo-jima     10 3.82  
2021-07-16 20:50:41 Hachijo-jima     10 4.23  
2021-07-17 07:52:15 Off the coast of Kushiro     20 42  
2021-07-17 09:02:14 Off the coast of Kushiro     50 3.51  
2021-07-18 01:21:38 Off the coast of Fukushima     50 4.22  
2021-07-19 18:14:05 Off the northwest coast of Amami Oshima     10 3.71  
2021-07-20 08:03:36 Near the coast of Okinawa     10 4.82  
2021-07-20 08:41:23 Off the coast of Fukushima     10 3.51  
2021-07-20 09:42:30 Near the coast of Tanegashima     10 4Unkn 
2021-07-20 13:58:36 Near the coast of Amami Oshima     10 4.43  
2021-07-20 15:56:22 Off the coast of Hachijojima     90 41  
2021-07-25 05:47:07 Near the coast of Okinawa     50 3.52  
2021-07-26 06:12:54 Hyuganada     40 3.61  
2021-07-26 11:16:16 Off the east coast of Aomori     60 4.63  
2021-07-27 05:19:19 Off the coast of Fukushima     90 4.52  
2021-07-27 14:37:54 Ise Bay     320 4.1Unkn 
2021-07-28 00:55:00 Off the coast of Ibaraki     20 43  
2021-07-28 02:35:11 Off the coast of Fukushima     40 3.51  
2021-07-29 00:21:59 Off the coast of Fukushima     10 3.51  
2021-07-29 03:19:53 Off the east coast of Chiba     30 4.32  
2021-07-29 13:32:55 Near Taiwan     110 5.82  
2021-07-29 16:17:13 Off the coast of Ibaraki     30 3.61  
2021-07-30 04:18:00 Off the coast of Kushiro     10 3.61  
2021-07-30 13:05:10 Off the coast of Iwate     10 4.12  
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