J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2023-01-02 08:27:40 Off the west coast of Ishikawa     360 4.3Unkn 
2023-01-02 14:20:37 Off the coast of Uraga     60 4.32  
2023-01-03 00:56:15 Off the coast of Fukushima     10 4.21  
2023-01-03 12:54:46 Off the east coast of Chiba     30 4.23  
2023-01-03 13:12:17 Near the coast of Miyakojima     40 3.52  
2023-01-03 16:08:37 Off the coast of Iwate     20 4.63  
2023-01-04 05:54:10 Off the coast of Iwate     20 3.92  
2023-01-05 16:53:33 Off the coast of Uraga     120 3.62  
2023-01-06 15:41:32 Off the coast of Fukushima     50 3.52  
2023-01-07 02:50:49 Kii Channel     10 3.6Unkn 
2023-01-07 07:27:30 Off the coast of Kushiro     10 3.71  
2023-01-07 07:56:22 Off the coast of Uraga     70 3.52  
2023-01-07 23:42:36 Off the coast of Fukushima     40 3.92  
2023-01-08 09:32:49 Off the coast of Fukushima     20 4.11  
2023-01-08 10:16:23 Off the coast of Fukushima     50 4.52  
2023-01-09 08:30:44 Off the south coast of Yakayama     10 3.6Unkn 
2023-01-09 17:41:58 Off the coast of Kushiro     70 3.51  
2023-01-09 21:28:44 Off the coast of Kushiro     100 3.92  
2023-01-10 17:04:43 Off the coast of Miyagi     50 3.52  
2023-01-12 01:19:39 Off the east coast of Chiba     30 4.53  
2023-01-12 15:46:57 Tomakomai Bay     100 3.62  
2023-01-13 20:01:29 Off the coast of Niigata Chuetsu     10 43  
2023-01-14 00:02:36 Near Taiwan     70 4.93  
2023-01-15 13:42:11 Near the coast of Torishima     430 5Unkn 
2023-01-15 20:37:23 Near the coast of Miyakojima     10 5.52  
2023-01-16 01:25:25 Off the east coast of Aomori     20 4.22  
2023-01-16 13:50:15 Near the coast of Torishima     10 6.42  
2023-01-16 18:42:27 Near the coast of Torishima     460 4Unkn 
2023-01-16 23:02:39 Near Taiwan     10 4.72  
2023-01-18 12:26:31 Near the coast of Miyakojima     60 4.42  
2023-01-18 13:33:22 Near the coast of Miyakojima     10 4.33  
2023-01-19 21:24:36 Off the east coast of Aomori     10 3.51  
2023-01-20 14:48:26 Off the coast of Miyagi     40 5.13  
2023-01-21 03:05:39 Off the coast of Fukushima     70 4.12  
2023-01-21 20:14:28 Off the coast of Fukushima     50 4.83  
2023-01-21 22:41:08 Off the coast of Ibaraki     60 3.52  
2023-01-22 10:58:46 Near the coast of Amami Oshima     10 5.32  
2023-01-23 13:35:08 Near the coast of Miyakojima     20 4.22  
2023-01-24 11:11:26 Southern Sea of Okhotsk     420 4.7Unkn 
2023-01-25 10:00:51 Off the coast of Fukushima     50 4.63  
2023-01-27 13:28:03 Off the coast of Fukushima     40 3.61  
2023-01-27 15:03:43 Off the coast of Fukushima     40 42  
2023-01-27 23:26:00 Off the coast of Fukushima     20 3.81  
2023-01-30 19:25:11 Near the coast of Ishigakijima     10 4.92  
2023-01-31 04:15:39 Off the coast of Miyagi     10 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