J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2025-06-01 01:56:36 Off the coast of Miyagi     50 3.62  
2025-06-02 03:51:53 Off the coast of Tokachi     60 6.34  
2025-06-02 04:08:34 Off the coast of Tokachi     40 4.62  
2025-06-02 09:56:35 Ibaraki-North     10 3.52  
2025-06-02 11:31:18 Off the coast of Miyagi     40 4.63  
2025-06-02 15:46:06 Off the coast of Fukushima     80 4.53  
2025-06-03 05:00:10 Iwate Northern Inland     10 3.63  
2025-06-03 20:17:52 Bungo channel     50 4.23  
2025-06-03 22:18:26 Off the coast of Tokachi     50 5.33  
2025-06-04 00:15:33 Off the coast of Miyagi     70 42  
2025-06-04 00:15:33 Off the coast of Miyagi     70 42  
2025-06-05 01:44:34 Near the coast of Amami Oshima     20 3.62  
2025-06-05 01:49:52 Near the coast of Amami Oshima     20 3.82  
2025-06-05 04:55:18 Off the coast of Kushiro     50 4.52  
2025-06-05 23:51:24 Off the coast of Fukushima     80 4.63  
2025-06-06 03:00:36 Near the coast of Okinawa     40 4.12  
2025-06-06 13:48:01 Off the west coast of Ishikawa     10 3.82  
2025-06-07 14:40:16 Off the east coast of Aomori     50 4.32  
2025-06-07 20:08:44 Off the coast of Kushiro     50 3.81  
2025-06-08 18:58:01 Ibaraki-North     60 4.13  
2025-06-09 05:28:19 Niijima-Kozu     10 3.83  
2025-06-10 20:33:07 Niijima-Kozu     10 3.83  
2025-06-10 23:19:42 Off the coast of Ibaraki     50 42  
2025-06-11 04:48:38 Hyuganada     10 3.72  
2025-06-11 18:30:41 Off the coast of Kushiro     50 4.93  
2025-06-11 19:44:42 Off the coast of Ibaraki     60 3.72  
2025-06-11 20:00:37 Near Taiwan     70 5.73  
2025-06-12 00:21:16 Off the coast of Kushiro     40 3.82  
2025-06-12 07:11:19 Kagoshima-Satsuma     10 2.92  
2025-06-12 08:19:56 Off the coast of Ibaraki     60 3.52  
2025-06-12 12:49:21 Off the southeast coast of Mie     60 4.52  
2025-06-13 03:02:25 Off the coast of Iwate     50 3.62  
2025-06-13 15:18:29 Chiba-Northwestern     80 4.23  
2025-06-14 03:36:30 Near Kunashir     20 4.42  
2025-06-14 08:43:00 Off the coast of Miyagi     70 3.62  
2025-06-14 19:46:58 Off the coast of Miyagi     50 4.73  
2025-06-16 11:42:00 Off the coast of Miyagi     60 3.72  
2025-06-16 18:56:57 Off the coast of Tokachi     80 3.82  
2025-06-17 11:07:20 Off the south coast of the Boso Peninsula     120 3.61  
2025-06-18 21:30:09 Hyuganada     10 4.53  
2025-06-18 23:44:31 Off the coast of Noto Peninsula     10 3.13  
2025-06-19 07:39:22 Near the coast of Miyakojima     30 42  
2025-06-19 08:08:05 Off the southeast coast of Nemuro Peninsula     60 6.24  
2025-06-19 10:53:35 Off the east coast of Aomori     50 4.12  
2025-06-19 17:46:00 Near the coast of Amami Oshima     20 4.33  
2025-06-20 09:45:51 Off the southeast coast of Chiba     70 3.61  
2025-06-21 01:37:15 Off the southeast coast of Nemuro Peninsula     40 4.12  
2025-06-21 23:31:55 Near the coast of Tokara Islands     10 4.23  
2025-06-22 00:05:21 Off the southeast coast of Nemuro Peninsula     70 4.93  
2025-06-22 02:51:51 Near the coast of Tokara Islands     10 4.32  
2025-06-22 05:53:05 Off the northwest coast of Amami Oshima     10 52  
2025-06-22 06:23:16 Off the southeast coast of Nemuro Peninsula     70 6.14  
2025-06-22 09:15:34 Off the northwest coast of Amami Oshima     10 4.92  
2025-06-22 11:11:05 Off the southeast coast of Nemuro Peninsula     60 4.22  
2025-06-22 12:12:20 Off the northwest coast of Amami Oshima     10 4.72  
2025-06-22 12:37:19 Near the coast of Tokara Islands     10 3.93  
2025-06-22 17:15:04 Near the coast of Tokara Islands     10 5.65 Lower  
2025-06-22 17:29:45 Off the northwest coast of Amami Oshima     10 4.42  
2025-06-22 17:57:52 Near the coast of Tokara Islands     10 4.4Unkn 
2025-06-23 03:32:34 Near the coast of Tokara Islands     10 4.8Unkn 
2025-06-23 10:13:18 Near the coast of Tokara Islands     10 4.64  
2025-06-23 16:19:02 Near the coast of Tokara Islands     10 3.93  
2025-06-23 16:46:10 Off the northwest coast of Amami Oshima     10 5.33  
2025-06-23 23:17:54 Near the coast of Tokara Islands     10 3.83  
2025-06-23 23:36:19 Near the coast of Tokara Islands     10 5.14  
2025-06-24 02:20:46 Off the northwest coast of Amami Oshima     10 4.42  
2025-06-24 02:23:23 Off the northwest coast of Amami Oshima     10 5.43  
2025-06-24 02:55:12 Off the coast of Kushiro     40 4.82  
2025-06-24 16:04:14 Near the coast of Tokara Islands     10 5.34  
2025-06-24 16:54:10 Near the coast of Tokara Islands     10 4.13  
2025-06-25 13:51:26 Off the coast of Ibaraki     60 4.64  
2025-06-25 14:47:19 Off the northwest coast of Amami Oshima     10 4.62  
2025-06-25 19:38:56 Near the coast of Tokara Islands     10 4.9Unkn 
2025-06-26 02:21:11 Near the coast of Tokara Islands     10 3.93  
2025-06-26 06:23:03 Off the northeast coast of Amami Oshima     10 53  
2025-06-26 06:27:31 Near the coast of Tokara Islands     10 3.6Unkn 
2025-06-26 16:29:36 Off the coast of Miyagi     50 3.72  
2025-06-27 08:55:59 Ibaraki-North     70 4.63  
2025-06-27 09:04:15 Near the coast of Tokara Islands     10 3.83  
2025-06-27 13:17:04 Near the coast of Tokara Islands     10 4.93  
2025-06-27 18:44:43 Off the coast of Kushiro     40 3.82  
2025-06-28 06:57:19 Off the coast of Noto Peninsula     10 3.92  
2025-06-28 09:15:14 Near the coast of Tokara Islands     10 4.13  
2025-06-28 11:12:51 Near the coast of Tokara Islands     10 43  
2025-06-29 08:15:17 Off the southeast coast of Nemuro Peninsula     60 4.32  
2025-06-29 09:59:40 Shimane-East     10 3.83  
2025-06-29 10:13:58 Near the coast of Tokara Islands     20 4.93  
2025-06-29 10:15:14 Off the northwest coast of Amami Oshima     10 5.93  
2025-06-29 11:36:08 Off the northwest coast of Amami Oshima     10 4.92  
2025-06-29 16:11:58 Near the coast of Tokara Islands     10 5.14  
2025-06-30 02:58:53 Near the coast of Tokara Islands     20 4.13  
2025-06-30 18:33:23 Near the coast of Tokara Islands     10 5.14  
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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