J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2025-11-01 23:44:05 Off the coast of Iwate     60 4.53  
2025-11-02 18:57:55 Off the coast of Sanriku     30 4.52  
2025-11-02 20:43:10 Off the coast of Miyagi     70 3.52  
2025-11-02 23:15:28 Ibaraki-South     50 3.52  
2025-11-03 19:17:58 Off the coast of Sanriku     30 4.92  
2025-11-03 19:18:43 Kagoshima-Satsuma     10 3.23  
2025-11-05 07:17:30 Off the southeast coast of Chiba     60 53  
2025-11-05 17:55:07 Near the coast of Chichijima     10 4.32  
2025-11-06 23:29:50 Off the coast of Tokachi     20 4.72  
2025-11-07 01:23:23 Hyuganada     20 4.53  
2025-11-08 10:13:29 Off the coast of Sanriku     40 4.82  
2025-11-08 11:36:09 Off the coast of Sanriku     40 4.82  
2025-11-08 18:17:26 Off the coast of Miyagi     70 3.92  
2025-11-08 19:54:17 Off the coast of Sanriku     40 4.31  
2025-11-09 16:34:30 Near the coast of Okinawa     20 3.92  
2025-11-09 17:03:38 Off the coast of Sanriku     40 6.84  
2025-11-09 17:04:44 Iwate Northern Coast     10 15 Lower  
2025-11-09 17:14:52 Off the coast of Sanriku     20 5.83  
2025-11-09 17:34:03 Off the coast of Sanriku     30 5.93  
2025-11-09 17:49:52 Off the coast of Sanriku     30 5.32  
2025-11-09 17:54:38 Off the coast of Sanriku     30 6.44  
2025-11-09 17:55:45 Miyagi-North     10 13  
2025-11-09 18:10:46 Off the coast of Sanriku     40 5.63  
2025-11-09 18:16:56 Off the coast of Sanriku     50 4.82  
2025-11-09 18:21:34 Off the coast of Sanriku     40 4.92  
2025-11-09 18:24:03 Off the coast of Sanriku     30 4.21  
2025-11-09 18:28:24 Off the coast of Sanriku     30 5.93  
2025-11-09 18:35:44 Off the coast of Sanriku     30 4.62  
2025-11-09 18:52:44 Off the coast of Sanriku     30 5.22  
2025-11-09 19:25:04 Off the coast of Sanriku     20 4.41  
2025-11-09 20:11:25 Off the coast of Sanriku     30 52  
2025-11-09 21:15:47 Off the coast of Sanriku     10 4.41  
2025-11-09 23:41:14 Off the coast of Sanriku     40 4.62  
2025-11-10 00:44:22 Off the coast of Sanriku     30 52  
2025-11-10 00:46:53 Off the coast of Iwate     30 4.72  
2025-11-10 07:04:14 Off the coast of Sanriku     20 52  
2025-11-10 07:41:29 Off the coast of Sanriku     30 4.72  
2025-11-10 09:40:07 Off the coast of Sanriku     30 4.42  
2025-11-10 10:20:51 Off the coast of Sanriku     40 5.32  
2025-11-10 12:00:20 Off the coast of Sanriku     40 5.33  
2025-11-10 15:18:40 Off the coast of Sanriku     20 4.72  
2025-11-10 16:24:29 Miyagi-North     10 14  
2025-11-10 18:59:00 Off the coast of Sanriku     30 5.12  
2025-11-11 03:26:37 Near the coast of Amami Oshima     30 4.82  
2025-11-11 21:03:06 Off the coast of Sanriku     30 4.11  
2025-11-12 03:03:17 Near the coast of Okinawa     40 3.92  
2025-11-12 05:51:36 Off the east coast of Chiba     10 3.42  
2025-11-12 06:15:48 Off the east coast of Chiba     10 3.42  
2025-11-12 06:50:47 Ibaraki-North     70 4.12  
2025-11-12 09:29:20 Off the coast of Sanriku     40 5.23  
2025-11-12 12:57:40 Off the coast of Sanriku     20 4.82  
2025-11-13 04:08:55 Off the coast of Sanriku     30 4.42  
2025-11-13 09:54:36 Off the coast of Ibaraki     40 4.52  
2025-11-13 10:38:47 Off the coast of Kushiro     30 3.62  
2025-11-13 12:24:31 Off the northeast coast of Miyakojima     90 4.42  
2025-11-14 04:58:02 Off the coast of Sanriku     40 5.32  
2025-11-14 11:26:19 Off the west coast of Ishikawa     10 3.72  
2025-11-15 00:01:50 Off the coast of Fukushima     70 42  
2025-11-15 02:34:54 Off the coast of Fukushima     40 4.22  
2025-11-15 22:03:15 Near Sado     20 43  
2025-11-16 03:06:22 Off the coast of Sanriku     30 4.62  
2025-11-16 08:54:35 Off the coast of Ibaraki     60 42  
2025-11-16 16:03:22 Off the east coast of Chiba     70 4.32  
2025-11-18 04:06:33 Off the coast of Sanriku     30 5.63  
2025-11-18 05:27:35 Niijima-Kozu     10 3.62  
2025-11-18 05:52:12 Izu Oshima     10 3.62  
2025-11-18 11:05:49 Off the coast of Iwate     30 3.61  
2025-11-18 12:03:36 Off the coast of Miyagi     60 3.52  
2025-11-18 12:22:52 Off the coast of Ibaraki     60 3.72  
2025-11-18 17:21:20 Off the east coast of Aomori     60 4.73  
2025-11-19 11:23:19 Off the coast of Sanriku     30 4.82  
2025-11-20 05:33:01 Near the coast of Amami Oshima     50 42  
2025-11-21 08:36:06 Off the northeast coast of Miyakojima     140 4.72  
2025-11-21 12:17:10 Off the east coast of Hokkaido     70 4.72  
2025-11-21 12:24:09 Tokyo 23 Wards     30 4.23  
2025-11-21 21:22:04 Off the coast of Sanriku     30 5.53  
2025-11-22 07:23:36 Near the coast of Yonagunijima     60 3.51  
2025-11-23 12:37:45 Off the coast of Iwate     40 3.61  
2025-11-24 15:54:21 Iburi-East Central     10 2.93  
2025-11-24 19:09:51 Off the coast of Miyagi     50 3.52  
2025-11-25 12:17:58 Off the coast of Miyagi     60 3.52  
2025-11-25 16:59:27 Off the east coast of Kanto     10 4.61  
2025-11-25 18:01:16 Kumamoto-Aso     10 5.75 Upper  
2025-11-25 20:44:41 Kumamoto-Aso     10 3.53  
2025-11-25 21:59:09 Kumamoto-Aso     10 4.23  
2025-11-25 23:48:22 Kumamoto-Aso     10 3.43  
2025-11-27 01:43:56 Off the coast of Kushiro     90 4.62  
2025-11-28 05:51:47 Off the coast of Fukushima     50 3.62  
2025-11-29 07:40:45 Off the northeast coast of Amami Oshima     70 4.72  
2025-11-30 23:55:24 Aichi-West     40 3.92  
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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