J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2018-02-01 15:48:58 Near the coast of Amami Oshima     10 4.23  
2018-02-02 00:39:14 Off the coast of Fukushima     30 4.72  
2018-02-02 19:45:58 Off the coast of Miyagi     50 3.62  
2018-02-02 23:53:06 Off the coast of Iwate     50 3.62  
2018-02-03 21:03:17 Near the coast of Okinawa Island     10 3.51  
2018-02-04 11:25:08 Near the coast of Okinawa Island     10 3.51  
2018-02-06 12:07:18 Near the coast of Okinawa Island     10 4.22  
2018-02-06 22:58:02 Off the coast of Ibaraki     50 3.52  
2018-02-07 12:45:12 Near the coast of Okinawa Island     10 3.81  
2018-02-07 16:13:13 Near the coast of Okinawa Island     10 4.11  
2018-02-08 02:35:10 Off the coast of Tokachi     10 4.92  
2018-02-08 17:07:09 Off the northwest coast of Amami Oshima     10 4.22  
2018-02-08 23:35:16 Saitama-North     50 4.23  
2018-02-09 18:25:16 Mie-Southern     410 4.2Unkn 
2018-02-09 21:16:34 Off the northwest coast of Amami Oshima     10 3.91  
2018-02-09 21:28:54 Off the northwest coast of Amami Oshima     10 3.51  
2018-02-11 04:15:03 Off the coast of Ibaraki     30 4.33  
2018-02-11 05:04:31     10 5.12  
2018-02-11 15:18:38 Off the coast of Iwate     50 3.52  
2018-02-11 16:32:15 Near the coast of Torishima     110 4.82  
2018-02-11 23:50:42 Off the coast of Kushiro     50 4.22  
2018-02-13 03:37:23 Off the coast of Fukushima     50 4.42  
2018-02-13 05:07:18 Off the coast of Sanriku     10 5.62  
2018-02-13 07:26:23 Off the coast of Miyagi     60 3.52  
2018-02-13 14:40:37 Nagano-South     10 3.53  
2018-02-13 20:50:34 Off the coast of Fukushima     10 3.71  
2018-02-14 21:02:10 Near the coast of Tanegashima     110 4.22  
2018-02-16 23:01:10 Northern Sea of Japan     280 4.1Unkn 
2018-02-17 01:48:13 Off the east coast of Hachijojima     170 4.6Unkn 
2018-02-17 06:39:44 Off the coast of Miyagi     60 4.63  
2018-02-17 12:51:07 Off the coast of Uraga     60 3.62  
2018-02-17 21:56:39 Off the coast of Miyagi     40 4.12  
2018-02-18 19:02:40 Fukushima-Nakadori     100 4.33  
2018-02-19 03:32:27 Bungo channel     40 4.84  
2018-02-19 03:36:20 Bungo channel     30 3.52  
2018-02-19 13:41:48 Off the coast of Uraga     60 3.52  
2018-02-20 04:44:18 Off the southeast coast of Mie     10 3.41  
2018-02-21 17:22:26 Off the coast of Fukushima     40 3.62  
2018-02-22 01:13:05 Off the northwest coast of Amami Oshima     10 3.91  
2018-02-22 13:18:54 Off the coast of Miyagi     50 3.52  
2018-02-22 19:19:52 Off the east coast of Hachijojima     50 4.01  
2018-02-24 08:22:38 Off the coast of Fukushima     10 3.71  
2018-02-24 11:45:03 Off the coast of Fukushima     10 3.92  
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