J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2022-08-01 03:50:11 Off the coast of Hachijojima     10 5.51  
2022-08-03 08:47:11 Off the coast of Fukushima     30 4.73  
2022-08-03 22:31:46 Off the east coast of Chiba     10 3.93  
2022-08-03 22:45:01 Off the west coast of Satsuma Peninsula     10 3.72  
2022-08-04 09:48:17 Off the coast of Fukushima     60 5.54  
2022-08-04 12:35:55 Off the east coast of Toroshima     10 6.51  
2022-08-06 18:42:41 Off the coast of Hachijojima     10 51  
2022-08-06 21:23:47 Off the coast of Ibaraki     20 4.83  
2022-08-07 01:01:07 Off the coast of Tokachi     10 3.51  
2022-08-07 09:15:24 Near the coast of Ishigakijima     20 4.13  
2022-08-07 22:40:34 Off the southeast coast of Iturup     10 6.53  
2022-08-08 00:29:31 Off the coast of Tokachi     60 4.32  
2022-08-08 02:36:06 Near the coast of Ishigakijima     20 4.23  
2022-08-08 09:46:16 Off the coast of Iwate     50 4.32  
2022-08-08 09:47:44 Off the coast of Iwate     60 4.22  
2022-08-09 02:31:37 Off the coast of Fukushima     20 3.51  
2022-08-12 09:48:03 Off the coast of Miyagi     50 4.43  
2022-08-12 13:10:40 Off the coast of Miyagi     40 42  
2022-08-12 21:10:59 Off the east coast of Chiba     20 4.53  
2022-08-13 10:00:02 Off the coast of Miyagi     30 3.31  
2022-08-14 04:26:06 Southern Sea of Okhotsk     380 4.9Unkn 
2022-08-14 06:57:43 Off the east coast of Chiba     10 4.53  
2022-08-14 08:27:06 Off the coast of Okinawa Main Island     90 4.32  
2022-08-14 09:10:27 Off the coast of Miyagi     50 3.52  
2022-08-14 12:45:10 Near Kunashir     10 3.61  
2022-08-14 19:18:04 Near the coast of Okinawa     10 3.91  
2022-08-14 23:09:09 Near the coast of Okinawa     10 3.61  
2022-08-15 20:14:42 Off the coast of Miyagi     40 3.82  
2022-08-16 14:31:52 Off the coast of Tokachi     20 3.51  
2022-08-17 10:14:49 Near the coast of Amami Oshima     10 3.61  
2022-08-17 20:44:21 Near the coast of Okinawa     10 3.61  
2022-08-18 13:06:46 Off the east coast of Chiba     20 53  
2022-08-18 14:46:09 Off the coast of Fukushima     40 5.34  
2022-08-18 16:11:38 Near the coast of Okinawa     40 4.53  
2022-08-20 01:35:58 Off the coast of Fukushima     70 4.52  
2022-08-20 22:01:45 Off the coast of Tokachi     30 3.71  
2022-08-21 11:51:48 Off the southeast coast of Mie     410 4.1Unkn 
2022-08-22 11:53:01 Off the northwest coast of Ishigaki Island     160 5.2Unkn 
2022-08-23 21:47:03 Near the coast of Okinawa     10 3.71  
2022-08-23 22:53:40 Off the coast of Miyagi     30 4.22  
2022-08-24 02:20:05 Off the coast of Fukushima     50 3.72  
2022-08-25 01:21:45 Off the coast of Uraga     60 4.32  
2022-08-25 08:27:48 Off the southeast coast of Mie     400 4Unkn 
2022-08-25 11:09:11 Off the east coast of Osumi Peninsula     20 3.51  
2022-08-26 08:48:30 Amakusanada     10 4.43  
2022-08-28 12:04:04 Off the coast of Iwate     60 3.82  
2022-08-29 21:19:38 Off the northeast coast of Amami Oshima     20 5.33  
2022-08-29 23:13:31 Near the coast of Okinawa     70 3.52  
2022-08-30 09:44:21 Near the coast of Ishigakijima     20 3.92  
2022-08-31 00:18:32 Off the coast of Fukushima     60 3.41  
2022-08-31 15:42:55 Off the coast of Miyagi     30 3.72  
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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