J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2023-06-01 00:03:46 Off the coast of Noto Peninsula     10 4.54  
2023-06-01 00:03:50 Off the coast of Miyagi     40 4.22  
2023-06-01 11:28:28 Near the coast of Tokara Islands     20 4.23  
2023-06-01 20:11:06 Near the coast of Tokara Islands     10 4.94  
2023-06-01 20:27:00 Near the coast of Tokara Islands     10 43  
2023-06-02 03:32:12 Off the southeast coast of Mie     440 3.5Unkn 
2023-06-03 19:35:41 Off the coast of Uraga     60 4.83  
2023-06-04 02:07:56 Off the south coast of Yakayama     10 4.11  
2023-06-04 03:57:32 Off the coast of Kushiro     50 3.42  
2023-06-04 06:12:23 Off the coast of Noto Peninsula     10 3.63  
2023-06-04 19:42:43 Near the coast of Tokara Islands     10 43  
2023-06-04 22:59:09 Off the coast of Fukushima     10 4.21  
2023-06-05 11:35:06 Off the coast of Miyagi     40 4.32  
2023-06-05 13:01:14 Off the coast of Noto Peninsula     10 3.32  
2023-06-06 05:46:28 Off the east coast of Chiba     30 43  
2023-06-06 06:05:33 Off the coast of Miyagi     50 3.52  
2023-06-07 02:08:03 Off the coast of Ibaraki     10 3.71  
2023-06-08 11:51:57 Off the coast of Okinawa Main Island     10 3.71  
2023-06-08 19:34:26 Off the coast of Fukushima     60 3.92  
2023-06-09 01:21:14 Off the southeast coast of Tanegashima     10 4.61  
2023-06-09 20:45:30 Off the coast of Niigata Chuetsu     10 4.64  
2023-06-10 03:30:42 Niijima-Kozu     10 43  
2023-06-11 01:20:53 Kii Channel     60 4.32  
2023-06-11 21:25:24 Near Taiwan     60 5.22  
2023-06-15 10:13:05 Off the coast of Hachijojima     60 4.21  
2023-06-15 16:31:42 Off the coast of Noto Peninsula     10 3.43  
2023-06-17 09:26:16 Off the east coast of Aomori     40 5.33  
2023-06-17 13:57:43 Off the coast of Sanriku     10 4.61  
2023-06-17 20:42:39 Off the east coast of Aomori     20 4.52  
2023-06-18 04:20:25 Off the coast of Hachijojima     110 3.51  
2023-06-19 00:53:23 Izu Oshima     10 3.73  
2023-06-19 01:58:41 Off the east coast of Osumi Peninsula     20 4.93  
2023-06-19 05:37:01 Off the east coast of Osumi Peninsula     20 4.12  
2023-06-20 08:47:08 Off the east coast of Osumi Peninsula     20 3.72  
2023-06-20 18:25:01 Off the coast of Miyagi     60 3.32  
2023-06-21 06:29:58 Near the coast of Amami Oshima     10 7Unkn 
2023-06-21 08:33:45 Off the southeast coast of Mie     430 4.1Unkn 
2023-06-22 10:24:17 Near the coast of Okinawa     50 5.24  
2023-06-22 16:39:47 Off the coast of Uraga     70 4.53  
2023-06-22 18:31:39 Off the coast of Ibaraki     50 3.52  
2023-06-22 21:47:24 Near the coast of Tokara Islands     10 4.13  
2023-06-23 02:33:46 Off the east coast of Kanto     10 4.72  
2023-06-23 05:51:54 Off the east coast of Kanto     10 4.31  
2023-06-23 15:38:36 Off the southeast coast of Mie     10 3.81  
2023-06-24 02:39:10 Off the east of Soya     360 6Unkn 
2023-06-24 07:55:02 Off the southeast coast of Kyushu     10 3.51  
2023-06-24 09:58:30 Off the coast of Fukushima     40 4.72  
2023-06-24 20:39:17 Off the coast of Miyagi     50 3.62  
2023-06-24 21:24:27 Off the coast of Fukushima     110 3.51  
2023-06-25 18:17:50 Off the coast of Fukushima     50 3.31  
2023-06-28 00:55:21 Off the coast of Noto Peninsula     10 4.13  
2023-06-28 01:10:20 Off the coast of Northwest Fukuoka     10 3.52  
2023-06-28 08:38:22 Northern Sea of Japan     490 6.5Unkn 
2023-06-28 12:08:09 Off the coast of Ibaraki     20 4.53  
2023-06-30 00:48:05 Off the coast of Ibaraki     60 4.33  
2023-06-30 14:03:06 Off the southeast coast of Chiba     60 3.82  
2023-06-30 14:23:38 Off the coast of Ibaraki     40 4.22  
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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