J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2019-08-01 03:49:32 Off the south coast of Tokaido     10 3.7 
2019-08-01 19:31:27 Ishikari-Central     10 3.73  
2019-08-04 03:04:18 Iwate Northern Coast     70 4.73  
2019-08-04 05:52:07 Near the coast of Ishigakijima     80 3.71  
2019-08-04 19:23:05 Off the coast of Fukushima     40 5.64  
2019-08-05 02:11:54 Off the coast of Iwate     50 3.52  
2019-08-06 00:01:39 Off the coast of Ibaraki     50 3.52  
2019-08-06 20:30:07 Off the northwest coast of Amami Oshima     10 4.12  
2019-08-06 23:22:06 Off the coast of Hachijojima     60 3.81  
2019-08-07 13:16:59 Off the northwest coast of Amami Oshima     10 3.71  
2019-08-07 21:10:41 Off the coast of Fukushima     10 3.52  
2019-08-08 11:14:04 Off the coast of Kushiro     50 3.51  
2019-08-09 03:56:47 Off the northeast coast of Miyakojima     110 4.72  
2019-08-09 23:20:35 Hyuganada     30 3.32  
2019-08-10 17:39:23 Central Sea of Japan     390 3.6 
2019-08-11 04:10:02 Off the coast of Kushiro     60 3.72  
2019-08-11 08:39:45 Off the coast of Miyagi     10 3.51  
2019-08-12 12:24:21 Off the southeast coast of Nemuro Peninsula     60 3.52  
2019-08-12 15:37:25 Off the east of Soya     300 3.7 
2019-08-14 07:02:49 Off the coast of Miyagi     50 42  
2019-08-15 14:32:53 Aoimori Sanpachikamikita     90 5.34  
2019-08-15 15:06:08 Aoimori Sanpachikamikita     90 4.43  
2019-08-15 15:54:44 Off the coast of Miyagi     70 3.62  
2019-08-15 17:52:38 Off the coast of Fukushima     70 3.92  
2019-08-15 18:07:33 Off the coast of Miyagi     20 4.32  
2019-08-15 18:15:02 Off the coast of Tokachi     100 3.82  
2019-08-15 20:19:06 Near the coast of Okinawa     50 3.83  
2019-08-16 13:07:54 Off the coast of Fukushima     20 3.51  
2019-08-16 13:37:49 Tsugaru Strait     130 3.52  
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