J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2022-04-02 07:36:30 Off the coast of Miyagi     50 3.52  
2022-04-02 18:33:52 Off the coast of Fukushima     60 3.82  
2022-04-02 20:16:44 Hyuganada     20 4.33  
2022-04-02 20:26:30 Near the coast of Chichijima     10 3.9Unkn 
2022-04-03 05:16:54 Off the coast of Miyagi     40 3.82  
2022-04-03 09:31:12 Off the coast of Fukushima     40 3.62  
2022-04-03 14:15:50 Off the coast of Fukushima     50 3.52  
2022-04-03 19:22:52 Off the west coast of Ogasawara Islands     10 5.62  
2022-04-03 19:31:38 Hachijo-jima     210 3.8Unkn 
2022-04-04 10:26:24 Off the coast of Noto Peninsula     10 4.74  
2022-04-04 10:28:09 Toyama Bay     10 3.7Unkn 
2022-04-04 11:18:09 Toyama Bay     10 3.7Unkn 
2022-04-04 19:29:04 Off the coast of Fukushima     30 4.93  
2022-04-06 00:03:54 Off the coast of Fukushima     40 4.73  
2022-04-06 15:18:34 Off the coast of Fukushima     60 3.92  
2022-04-06 18:26:14 Off the northwest coast of Amami Oshima     10 3.51  
2022-04-06 19:59:12 Off the northwest coast of Amami Oshima     10 3.51  
2022-04-07 14:11:51 East China Sea     10 5.9Unkn 
2022-04-08 07:57:27 Off the coast of Kushiro     50 3.82  
2022-04-08 11:27:12 Off the southeast coast of Nemuro Peninsula     10 3.61  
2022-04-10 07:44:22 Off the northwest coast of Amami Oshima     10 3.61  
2022-04-10 14:16:54 Off the south coast of the Boso Peninsula     60 3.71  
2022-04-10 17:30:21 Off the coast of Fukushima     70 4.22  
2022-04-10 18:43:17 Off the coast of Ibaraki     20 4.53  
2022-04-12 10:10:20 Off the coast of Miyagi     40 3.42  
2022-04-12 19:46:10 East China Sea     10 6.7Unkn 
2022-04-13 01:07:53 Off the south coast of the Boso Peninsula     40 4.83  
2022-04-13 10:22:19 East China Sea     10 6.7Unkn 
2022-04-13 15:52:50 Off the northwest coast of Amami Oshima     10 3.61  
2022-04-14 12:31:40 Off the coast of Hachijojima     60 3.71  
2022-04-14 12:40:07 Off the coast of Hachijojima     50 4.31  
2022-04-15 01:24:18 Off the coast of Fukushima     50 3.62  
2022-04-15 03:25:27 Off the coast of Fukushima     60 4.53  
2022-04-15 13:53:04 Off the coast of Fukushima     100 3.51  
2022-04-15 15:33:07 Off the northwest coast of Amami Oshima     10 4.12  
2022-04-16 00:31:08 Off the coast of Hachijojima     60 3.81  
2022-04-16 07:33:54 Off the south coast of Honshu     530 5Unkn 
2022-04-19 14:12:50 Near the coast of Okinawa     10 3.91  
2022-04-22 23:20:47 Off the southeast coast of Nemuro Peninsula     50 3.72  
2022-04-24 15:56:24 Off the coast of Okinawa Main Island     20 3.81  
2022-04-24 17:16:13 Off the coast of Tokachi     30 4.82  
2022-04-24 19:23:48 Near the coast of Yonagunijima     10 5.63  
2022-04-24 19:58:02 Off the east coast of Aomori     70 3.52  
2022-04-25 11:06:08 Off the southeast coast of Tanegashima     40 3.61  
2022-04-28 19:03:19 Off the east coast of Aomori     40 4.73  
2022-04-29 02:43:53 Off the coast of Fukushima     50 3.62  
2022-04-30 11:50:10 Off the west coast of Satsuma Peninsula     10 3.91  
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
2022 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