J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2024-03-01 05:35:04 Chiba-Northeastern     10 3.73  
2024-03-01 05:43:17 Off the east coast of Chiba     30 5.34  
2024-03-01 05:47:34 Chiba-Northeastern     10 3.63  
2024-03-01 21:19:40 Off the east coast of Chiba     10 4.23  
2024-03-01 21:44:55 Off the east coast of Aomori     90 4.23  
2024-03-01 22:41:38 Chiba-Northeastern     10 3.73  
2024-03-02 01:49:04 Chiba-Northeastern     30 4.94  
2024-03-02 03:08:23 Off the east coast of Chiba     10 43  
2024-03-02 03:33:16 Chiba-South     10 3.73  
2024-03-02 03:38:46 Chiba-Northeastern     30 4.14  
2024-03-02 03:40:26 Chiba-Northeastern     30 4.33  
2024-03-02 03:49:58 Chiba-Northeastern     10 3.63  
2024-03-02 03:56:27 Off the coast of Fukushima     20 4.43  
2024-03-02 07:13:57 Off the east coast of Chiba     20 4.23  
2024-03-02 09:44:52 Off the east coast of Chiba     10 3.83  
2024-03-02 18:20:13 Off the coast of Fukushima     70 42  
2024-03-02 20:23:15 Ibaraki-South     50 43  
2024-03-02 23:00:44 Miyazaki-Northern Plains     10 4.34  
2024-03-03 08:09:55 Off the northwest coast of Amami Oshima     160 5Unkn 
2024-03-03 17:31:59 Off the east coast of Aomori     70 4.63  
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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