J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-10-03 08:37:50 Near Kunashir     20 3.82  
2020-10-03 18:31:31 Off the coast of Hachijojima     70 6.13  
2020-10-03 21:26:27 Off the northeast coast of Amami Oshima     30 53  
2020-10-04 06:25:03 Off the east coast of Aomori     50 3.42  
2020-10-04 11:51:33 Near the coast of Tanegashima     30 4.42  
2020-10-04 20:22:25 Soya Strait     310 3.6Unkn 
2020-10-05 07:19:02 Off the coast of Tokachi     50 3.52  
2020-10-05 11:32:25 Off the coast of Ibaraki     90 4.33  
2020-10-05 23:01:14 Off the coast of Iwate     50 3.82  
2020-10-07 08:02:04 Enshu     330 4.2Unkn 
2020-10-08 10:22:28 Off the coast of Miyagi     60 3.52  
2020-10-10 07:39:26 Off the coast of Ibaraki     50 3.52  
2020-10-11 13:30:19 Off the coast of Hachijojima     60 3.71  
2020-10-11 13:56:52 Central Sea of Japan     390 3.6Unkn 
2020-10-11 18:45:57 Off the west coast of Satsuma Peninsula     160 3.5Unkn 
2020-10-11 22:58:42 Off the coast of Uraga     60 3.52  
2020-10-12 09:28:27 Near the coast of Torishima     450 4.5Unkn 
2020-10-13 22:16:01 Off the coast of Hachijojima     60 4.62  
2020-10-14 19:42:35 Off the coast of Fukushima     40 3.82  
2020-10-16 00:20:01 Off the southeast coast of Mie     380 3.7Unkn 
2020-10-22 00:19:59 Near the coast of Iwo Jima     10 5.12  
2020-10-22 15:21:16 Off the coast of Fukushima     10 3.81  
2020-10-22 16:14:17 Near Iriomotejima     30 4.53  
2020-10-22 23:43:35 Off the coast of Kushiro     50 3.82  
2020-10-23 05:41:29 Off the east coast of Chiba     10 3.62  
2020-10-25 21:30:08 Near the coast of Okinawa     10 3.61  
2020-10-26 06:18:45 Off the coast of Fukushima     40 3.92  
2020-10-26 22:14:59 Off the northwest coast of Amami Oshima     10 4.12  
2020-10-27 12:44:25 Off the coast of Miyagi     60 3.52  
2020-10-27 16:01:12 Off the coast of Iwate     10 3.72  
2020-10-28 21:23:33 Off the south coast of Tokaido     460 4.1Unkn 
2020-10-30 04:56:19 Off the coast of Ibaraki     10 3.51  
2020-10-30 14:38:05 Off the coast of Miyagi     40 3.82  
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
2023 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
2024 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

Information provided by the Japan Meteorological Agency.
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