J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2023-01-02 08:27:38 Central Sea of Japan     370 4.5Unkn 
2023-01-02 14:20:36 Off the coast of Uraga     60 4.43  
2023-01-03 00:56:14 Off the coast of Fukushima     10 4.31  
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 3.62  
2023-01-03 16:08:33 Off the coast of Iwate     10 4.63  
2023-01-04 05:54:10 Off the coast of Iwate     20 42  
2023-01-05 16:53:33 Off the coast of Uraga     120 3.62  
2023-01-06 15:41:30 Off the coast of Miyagi     70 3.62  
2023-01-07 07:27:30 Off the coast of Kushiro     60 42  
2023-01-07 07:56:24 Off the coast of Uraga     60 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     30 4.52  
2023-01-09 08:30:44 Off the south coast of Yakayama     10 3.6Unkn 
2023-01-09 17:41:57 Off the coast of Kushiro     80 3.61  
2023-01-09 21:28:46 Off the coast of Kushiro     90 3.52  
2023-01-10 17:04:43 Off the coast of Miyagi     50 3.52  
2023-01-12 01:19:37 Off the east coast of Chiba     30 4.73  
2023-01-12 15:46:56 Tomakomai Bay     110 3.52  
2023-01-14 00:02:28 Near Taiwan     50 5.22  
2023-01-15 13:42:11 Near the coast of Torishima     430 5Unkn 
2023-01-15 20:37:33 Near the coast of Miyakojima     20 5.23  
2023-01-16 01:25:25 Off the east coast of Aomori     10 4.12  
2023-01-16 13:50:00 Off the west coast of Ogasawara Islands     10 6.83  
2023-01-16 18:42:27 Near the coast of Torishima     460 4Unkn 
2023-01-16 23:02:39 Near Taiwan     10 4.52  
2023-01-18 12:26:33 Near the coast of Miyakojima     50 4.43  
2023-01-18 13:33:22 Near the coast of Miyakojima     20 4.53  
2023-01-19 21:24:36 Off the east coast of Aomori     10 3.51  
2023-01-20 14:48:27 Off the coast of Miyagi     30 53  
2023-01-21 03:05:39 Off the coast of Fukushima     50 4.52  
2023-01-21 20:14:28 Off the coast of Fukushima     40 4.83  
2023-01-21 22:41:08 Off the coast of Ibaraki     60 3.42  
2023-01-22 10:58:56 Near the coast of Amami Oshima     30 4.73  
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 10:00:49 Off the coast of Fukushima     40 4.93  
2023-01-27 13:28:03 Off the coast of Fukushima     40 3.61  
2023-01-27 15:03:42 Off the coast of Fukushima     50 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 04:15:42 Off the coast of Miyagi     40 5.23  
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
2025 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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