J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2025-03-01 22:17:02 Off the coast of Miyagi     60 3.92  
2025-03-03 12:50:58 Gunma-South     150 42  
2025-03-04 15:12:03 Ibaraki-South     60 4.23  
2025-03-04 15:43:46 Near the coast of Okinawa     40 3.82  
2025-03-05 21:06:35 Off the east coast of Hokkaido     70 4.52  
2025-03-06 12:58:55 Wakayama-South     40 4.13  
2025-03-08 16:12:14 Off the coast of Iwate     50 4.53  
2025-03-09 03:54:06 Off the northeast coast of Amami Oshima     40 6.14  
2025-03-09 08:42:55 Near the coast of Amami Oshima     50 64  
2025-03-09 09:09:19 Off the northeast coast of Amami Oshima     10 4.52  
2025-03-09 11:41:56 Osaka Bay     10 2.73  
2025-03-09 13:20:56 Near the coast of Amami Oshima     10 4.63  
2025-03-09 13:24:16 Off the northeast coast of Amami Oshima     10 5.63  
2025-03-09 14:57:56 Off the northeast coast of Amami Oshima     10 5.23  
2025-03-10 18:43:52 Off the coast of Miyagi     50 3.62  
2025-03-11 08:04:21 Near the coast of Okinawa     30 3.62  
2025-03-11 09:26:49 Off the northeast coast of Amami Oshima     20 4.52  
2025-03-11 11:41:22 Off the coast of Tokachi     80 4.32  
2025-03-11 12:23:01 Near the coast of Okinawa     90 42  
2025-03-11 19:36:00 Near the coast of Okinawa     10 3.53  
2025-03-12 23:20:14 Fukushima-Nakadori     90 4.43  
2025-03-13 14:09:35 Near Taiwan     110 52  
2025-03-14 03:53:48 Off the east coast of Hokkaido     20 4.52  
2025-03-14 19:06:18 Off the coast of Iwate     20 3.82  
2025-03-15 01:44:47 Near the coast of Amami Oshima     70 4.12  
2025-03-15 15:40:34 Ibaraki-North     70 3.82  
2025-03-15 21:22:14 Ishikawa-Noto     10 3.83  
2025-03-15 22:50:04 Iburi-East Central     160 4.7Unkn 
2025-03-16 23:55:50 Near the coast of Okinawa     80 3.82  
2025-03-16 23:58:20 Kushiro-South Central     140 3.92  
2025-03-17 00:49:52 Tokachi-Central     120 4.12  
2025-03-17 06:23:23 Shiga-North     10 3.63  
2025-03-17 13:07:57 Enshu     10 3.72  
2025-03-17 18:22:29 Off the northeast coast of Amami Oshima     30 3.81  
2025-03-17 21:57:16 Off the coast of Iwate     60 3.92  
2025-03-18 05:00:35 Kumamoto-Asmakusa     10 4.55 Lower  
2025-03-18 07:30:47 Off the coast of Miyagi     60 3.92  
2025-03-18 07:58:39 Kumamoto-Asmakusa     10 32  
2025-03-18 17:28:54 Kumamoto-Kumamoto     10 3.73  
2025-03-18 21:05:50 Near the coast of Miyakojima     50 3.52  
2025-03-19 13:25:15 Off the coast of Noto Peninsula     10 4.84  
2025-03-20 17:35:37 Off the west coast of Ishikawa     10 3.52  
2025-03-22 18:41:56 Off the coast of Ibaraki     60 4.23  
2025-03-23 07:14:26 Off the northeast coast of Miyakojima     150 5.13  
2025-03-23 11:44:33 Near the coast of Yonagunijima     60 3.21  
2025-03-24 11:37:52 Nagano-North     10 43  
2025-03-25 08:19:35 Off the coast of Fukushima     80 4.32  
2025-03-25 19:39:24 Near Kunashir     100 42  
2025-03-27 01:27:38 Off the coast of Fukushima     40 42  
2025-03-28 03:50:39 Chiba-Northeastern     60 4.43  
2025-03-29 04:45:16 Off the east coast of Osumi Peninsula     10 4.63  
2025-03-30 08:47:37 Chiba-Northwestern     70 3.62  
2025-03-30 10:18:29 Off the southeast coast of Chiba     80 4.62  
2025-03-30 19:35:44 Off the coast of Ibaraki     40 3.82  
2025-03-30 21:25:27 Off the coast of Hachijojima     130 4.52  
2025-03-30 21:30:55 Off the coast of Miyagi     50 4.63  
2025-03-30 22:55:58 Off the coast of Uraga     60 4.53  
2025-03-31 16:51:30 Near the coast of Okinawa     40 4.12  
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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