J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2022-12-01 12:36:58 Off the coast of Sanriku     10 5.12  
2022-12-01 13:54:41 Off the coast of Sanriku     20 4.62  
2022-12-02 13:31:15 Off the coast of Iwate     30 3.82  
2022-12-02 21:04:31 Off the east coast of Chiba     50 4.22  
2022-12-03 19:21:51 Tomakomai Bay     90 3.42  
2022-12-05 03:36:56 Off the coast of Miyagi     50 3.52  
2022-12-05 05:27:08 Off the southeast coast of Kyushu     10 4.62  
2022-12-06 00:20:54 Off the east coast of Aomori     10 3.82  
2022-12-06 03:06:45 Off the coast of Uraga     70 3.62  
2022-12-07 05:39:53 Off the coast of Ibaraki     40 3.52  
2022-12-07 13:06:31 Off the coast of Fukushima     10 3.52  
2022-12-07 21:01:47 Near Kunashir     130 3.51  
2022-12-07 23:48:54 Off the coast of Fukushima     10 3.52  
2022-12-08 12:56:44 Off the coast of Miyagi     70 3.52  
2022-12-08 18:47:29 Near the coast of Chichijima     10 4.22  
2022-12-08 22:29:55 Kagoshima Bay     10 3.53  
2022-12-10 03:01:38 Off the coast of Miyagi     10 3.41  
2022-12-10 12:21:29 Niijima-Kozu     10 4.33  
2022-12-11 18:46:35 Off the coast of Fukushima     10 4.62  
2022-12-11 21:03:20 Off the coast of Tokachi     50 4.72  
2022-12-11 21:43:45 Off the coast of Tokachi     50 4.62  
2022-12-12 05:29:24 Off the coast of Iwate     50 3.92  
2022-12-13 12:44:43 Near the coast of Miyakojima     30 3.92  
2022-12-13 14:34:27 Off the coast of Hachijojima     50 3.61  
2022-12-13 14:55:04 Off the coast of Sanriku     10 3.71  
2022-12-13 22:18:44 Off the east of Soya     340 3.9Unkn 
2022-12-13 23:25:18 Near the coast of Amami Oshima     30 6.14  
2022-12-14 00:08:50 Off the coast of Miyagi     30 4.22  
2022-12-14 07:55:49 Off the coast of Fukushima     50 3.52  
2022-12-14 10:59:47 Near the coast of Miyakojima     50 3.51  
2022-12-15 03:47:43 Off the east coast of Aomori     10 42  
2022-12-15 13:02:56 Near Taiwan     150 5.72  
2022-12-15 22:50:00 Off the southeast coast of Kyushu     10 3.71  
2022-12-16 03:19:44 Near the coast of Torishima     470 4.5Unkn 
2022-12-16 03:19:44 Near the coast of Torishima     470 4.5Unkn 
2022-12-16 08:48:00 Off the coast of Sanriku     10 4.72  
2022-12-18 03:06:03 Hyuganada     20 5.44  
2022-12-18 16:01:55 Off the coast of Okinawa Main Island     70 4.72  
2022-12-18 23:19:32 Off the southeast coast of Tanegashima     10 5.23  
2022-12-19 00:18:26 Near the coast of Tanegashima     30 3.82  
2022-12-20 11:38:12 Off the southeast coast of Tanegashima     50 3.71  
2022-12-20 16:22:36 Near the coast of Tanegashima     30 3.52  
2022-12-21 00:00:36 Niijima-Kozu     10 3.93  
2022-12-21 04:56:48 Niijima-Kozu     10 4.23  
2022-12-22 10:43:43 Tachibana Bay     10 3.53  
2022-12-24 17:35:37 Off the west coast of Ogasawara Islands     570 4.7Unkn 
2022-12-27 07:56:04 Near Taiwan     40 5.12  
2022-12-27 08:44:34 Off the coast of Fukushima     40 4.22  
2022-12-27 23:48:13 Off the coast of Miyagi     60 3.52  
2022-12-28 03:51:16 Off the coast of Fukushima     50 4.42  
2022-12-28 23:14:53 Off the southeast coast of Nemuro Peninsula     90 3.62  
2022-12-29 07:26:15 Off the west coast of Hokkaido     10 3.52  
2022-12-29 09:36:09 Off the northeast coast of Amami Oshima     30 4.62  
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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