J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-03-01 09:08:37 Off the coast of Fukushima     40 3.81  
2020-03-02 09:47:39 Off the coast of Sanriku     10 41  
2020-03-03 03:28:57 Kii Channel     10 3.93  
2020-03-03 12:20:23 Off the coast of Uraga     60 3.52  
2020-03-03 18:31:09 Near the coast of Tanegashima     10 4.63  
2020-03-04 07:17:23 Near the coast of Okinawa     10 3.61  
2020-03-04 16:25:46 Off the east coast of Chiba     10 4.13  
2020-03-05 09:39:32 Off the east coast of Chiba     10 3.83  
2020-03-06 23:55:06 Off the coast of Kushiro     50 3.62  
2020-03-07 04:15:31 Near the coast of Okinawa     20 3.52  
2020-03-08 01:18:45 Off the east coast of Chiba     10 3.72  
2020-03-09 04:28:46 Bungo channel     60 53  
2020-03-10 09:13:30 Off the coast of Miyagi     40 3.92  
2020-03-10 18:29:25 Near the coast of Iwo Jima     10 5.12  
2020-03-11 14:03:37 Off the coast of Miyagi     40 3.62  
2020-03-12 20:07:11 Off the coast of Miyagi     40 3.52  
2020-03-13 00:38:34 Near the coast of Chichijima     10 4.8Unkn 
2020-03-13 18:07:31 Off the coast of Kushiro     60 3.52  
2020-03-13 22:06:39 Hachijo-jima     10 4.62  
2020-03-14 05:39:27 Off the coast of Miyagi     40 3.51  
2020-03-14 13:34:33 Hachijo-jima     10 42  
2020-03-14 16:55:40 Off the northwest coast of Amami Oshima     20 3.61  
2020-03-14 17:45:08 Kii Channel     10 4.1Unkn 
2020-03-14 19:34:05 Off the coast of Miyagi     10 3.51  
2020-03-15 14:16:31 Near the coast of Okinawa     80 4.22  
2020-03-16 20:42:16 Off the coast of Northwest Fukuoka     10 3.93  
2020-03-17 16:54:52 Off the coast of Miyagi     30 3.52  
2020-03-17 21:38:34 Off the coast of Fukushima     60 3.72  
2020-03-18 16:54:10 Off the coast of Fukushima     40 3.52  
2020-03-19 01:32:40 Tomakomai Bay     20 4.43  
2020-03-20 13:11:17 Near Taiwan     50 41  
2020-03-21 12:37:53 Off the east coast of Aomori     60 3.52  
2020-03-21 18:03:06 Off the coast of Fukushima     10 3.72  
2020-03-23 22:57:28 Near the coast of Okinawa     10 4.22  
2020-03-24 02:07:48 Near the coast of Miyakojima     50 3.62  
2020-03-24 20:13:15 Off the coast of Iwate     30 3.52  
2020-03-25 00:59:57 Off the coast of Ibaraki     100 3.62  
2020-03-26 07:18:20 Off the coast of Miyagi     20 3.52  
2020-03-27 23:11:09 Niijima-Kozu     10 3.93  
2020-03-28 04:32:59 Off the coast of Uraga     70 3.52  
2020-03-28 09:57:51 Off the coast of Uraga     80 4.73  
2020-03-28 20:33:55 Near the coast of Okinawa     80 3.51  
2020-03-29 12:38:58 Near the coast of Ishigakijima     10 3.82  
2020-03-29 12:52:00 Near the coast of Ishigakijima     10 4.22  
2020-03-29 20:05:36 Off the east coast of Aomori     110 3.62  
2020-03-30 00:01:33 Near the coast of Ishigakijima     10 42  
2020-03-30 17:15:11 Off the east coast of Chiba     10 4.84  
2020-03-31 00:52:50 Near Iriomotejima     10 4.83  
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