J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2021-01-01 01:53:36 Niijima-Kozu     10 5.24  
2021-01-01 22:10:39 Off the southwest coast of Hokkaido     10 3.81  
2021-01-03 14:24:13 Near the coast of Okinawa     10 4.82  
2021-01-03 15:42:33 Near the coast of Okinawa     30 4.32  
2021-01-03 18:59:44 Off the coast of Miyagi     20 42  
2021-01-03 23:14:54 Off the southwest coast of Hokkaido     270 3.8Unkn 
2021-01-07 04:13:28 Off the coast of Sanriku     20 4.42  
2021-01-08 21:36:53 Off the coast of Ibaraki     50 3.52  
2021-01-09 00:04:46 Tsugaru Strait     80 3.72  
2021-01-09 14:36:27 Off the coast of Sanriku     10 4.92  
2021-01-10 15:38:19 Off the coast of Fukushima     40 3.62  
2021-01-11 09:24:36 Off the northeast coast of Miyakojima     150 4.62  
2021-01-12 11:39:43 Off the west coast of Hokkaido     230 5.8Unkn 
2021-01-12 12:55:56 Off the south coast of Tokaido     360 4.2Unkn 
2021-01-13 13:45:21 Off the coast of Fukushima     10 42  
2021-01-13 21:00:13 Off the coast of Iwate     40 3.51  
2021-01-14 00:57:38 Off the coast of Miyagi     60 3.52  
2021-01-14 20:16:56 Hachijo-jima     330 3.9Unkn 
2021-01-15 12:59:28 Off the coast of Fukushima     50 3.92  
2021-01-15 22:38:14 Off the southeast coast of Mie     390 5Unkn 
2021-01-16 00:40:14 Near the coast of Miyakojima     60 4.32  
2021-01-16 05:10:14 Off the coast of Tokachi     70 3.92  
2021-01-18 18:28:03 Off the coast of Miyagi     30 3.51  
2021-01-18 20:38:14 Izu Oshima     10 3.7Unkn 
2021-01-18 23:55:42 Near the coast of Amami Oshima     10 3.6Unkn 
2021-01-19 02:12:11 Off the coast of Fukushima     10 3.51  
2021-01-19 05:47:31 Off the coast of Miyagi     50 3.52  
2021-01-21 06:02:53 Near Iriomotejima     10 4.43  
2021-01-21 08:00:37 Off the coast of Iwate     60 3.92  
2021-01-23 01:03:54 Off the coast of Fukushima     10 4.72  
2021-01-23 20:19:04 Off the coast of Miyagi     50 3.52  
2021-01-23 22:12:07 Off the coast of Fukushima     50 4.42  
2021-01-24 05:52:48 Off the southeast coast of Tanegashima     20 3.61  
2021-01-24 23:45:43 Near the coast of Miyakojima     20 3.52  
2021-01-25 00:53:22 Near the coast of Ishigakijima     10 3.52  
2021-01-25 03:24:05 Off the coast of Kushiro     10 4.62  
2021-01-25 16:25:34 Near the coast of Ishigakijima     30 5.52  
2021-01-25 18:05:51 Near the coast of Ishigakijima     20 5.22  
2021-01-26 08:25:19 Off the coast of Ibaraki     70 4.63  
2021-01-27 18:25:58 Off the coast of Fukushima     60 3.72  
2021-01-27 23:27:33 Off the southeast coast of Nemuro Peninsula     10 3.71  
2021-01-29 03:24:10 Off the coast of Fukushima     60 4.32  
2021-01-31 15:15:13 Off the coast of Fukushima     30 4.43  
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