J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2023-03-02 15:47:42 Hachijo-jima     10 5.34  
2023-04-10 03:45:34 Near the coast of Yonagunijima     70 5.64  
2023-05-01 12:22:11 Near the coast of Okinawa     10 6.14  
2023-05-10 07:14:35 Near Sado     10 5.44  
2023-05-10 21:54:47 Off the coast of Noto Peninsula     10 5.44  
2023-05-18 19:49:18 Toyama Bay     10 4.44  
2023-05-22 10:53:11 Niijima-Kozu     10 4.44  
2023-05-22 17:27:13 Niijima-Kozu     10 4.84  
2023-05-22 19:46:26 Niijima-Kozu     10 4.74  
2023-05-23 04:31:34 Izu Oshima     10 4.84  
2023-05-27 22:52:11 Near the coast of Tokara Islands     10 5.24  
2023-06-01 00:03:46 Off the coast of Noto Peninsula     10 4.54  
2023-06-01 20:11:07 Near the coast of Tokara Islands     10 4.84  
2023-06-22 10:24:19 Near the coast of Okinawa     30 5.14  
2023-06-28 00:55:21 Off the coast of Noto Peninsula     10 4.24  
2023-09-08 18:28:47 Off the coast of Miyagi     60 5.54  
2023-09-09 03:08:13 Near the coast of Tokara Islands     10 4.94  
2023-09-19 04:33:06 Off the coast of Miyagi     40 4.94  
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