J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-06-03 00:41:08 Off the coast of Fukushima     10 5.42  
2020-06-03 01:02:55 Off the coast of Okinawa Main Island     10 4.62  
2020-06-03 02:13:56 Off the coast of Iwate     10 3.71  
2020-06-03 21:19:50 Off the coast of Iwate     30 3.61  
2020-06-04 01:31:32 Off the coast of Okinawa Main Island     10 4.22  
2020-06-04 05:31:19 Off the coast of Ibaraki     50 5.14  
2020-06-05 04:53:51 Off the east coast of Chiba     30 4.32  
2020-06-06 10:27:41 Near the coast of Okinawa     20 3.72  
2020-06-06 22:01:30 Off the coast of Fukushima     10 3.61  
2020-06-07 21:44:06 Off the coast of Ibaraki     20 3.52  
2020-06-09 11:25:34 Off the coast of Fukushima     10 4.21  
2020-06-09 14:12:13 Off the south coast of Nankai     10 3.6Unkn 
2020-06-09 23:44:26 Off the coast of Kushiro     80 3.72  
2020-06-10 00:22:40 Tosa Bay     20 4.53  
2020-06-10 07:07:00 Near the coast of Miyakojima     50 3.31  
2020-06-12 02:09:33 Off the southeast coast of Nemuro Peninsula     60 42  
2020-06-12 20:30:38 Hyuganada     30 4.33  
2020-06-12 22:03:36 Near the coast of Amami Oshima     60 4.33  
2020-06-13 02:34:40 Off the coast of Kushiro     50 3.61  
2020-06-13 02:42:05 Off the coast of Miyagi     60 4.43  
2020-06-13 04:16:23 Off the coast of Sanriku     50 4.52  
2020-06-13 19:01:41 Off the coast of Ibaraki     10 3.52  
2020-06-14 00:51:23 Off the northwest coast of Amami Oshima     160 6.2Unkn 
2020-06-14 05:18:56 Near Taiwan     70 5.43  
2020-06-14 10:52:54 Off the coast of Fukushima     10 3.61  
2020-06-15 02:28:37 Hyuganada     20 3.62  
2020-06-15 02:28:02 Near Taiwan     300 5.8Unkn 
2020-06-15 03:15:11 Near the coast of Ishigakijima     10 4.83  
2020-06-15 04:25:54 Near the coast of Yonagunijima     10 4.93  
2020-06-15 06:08:26 Near the coast of Yonagunijima     10 3.92  
2020-06-15 07:26:11 Near the coast of Yonagunijima     20 4.73  
2020-06-15 10:14:18 Near Taiwan     170 5.6Unkn 
2020-06-15 11:32:47 Off the northwest coast of Ishigaki Island     10 5.13  
2020-06-15 11:48:36 East China Sea     10 6.22  
2020-06-15 12:00:52 Near Taiwan     240 5.8Unkn 
2020-06-15 15:38:49 Off the southeast coast of Nemuro Peninsula     10 41  
2020-06-15 16:24:38 Off the northwest coast of Ishigaki Island     190 5Unkn 
2020-06-15 18:17:43 Off the northwest coast of Ishigaki Island     170 5.4Unkn 
2020-06-15 20:03:35 Near the coast of Ishigakijima     10 4.32  
2020-06-15 22:30:56 Off the northwest coast of Ishigaki Island     10 4.82  
2020-06-15 22:47:16 Near the coast of Ishigakijima     30 53  
2020-06-16 00:24:39 Near the coast of Ishigakijima     20 4.52  
2020-06-16 00:47:21 Near the coast of Yonagunijima     10 4.63  
2020-06-16 01:55:00 Off the coast of Fukushima     90 4.43  
2020-06-16 02:19:27 Off the northwest coast of Ishigaki Island     10 5.13  
2020-06-16 07:28:10 Off the coast of Ibaraki     60 3.52  
2020-06-16 15:36:15 Off the southeast coast of Nemuro Peninsula     80 4.22  
2020-06-16 15:41:56 Near the coast of Yonagunijima     10 4.43  
2020-06-16 21:31:38 Near Taiwan     10 5.52  
2020-06-16 22:34:12 Near the coast of Ishigakijima     20 4.62  
2020-06-17 00:30:43 Off the south coast of Tokaido     360 4.4Unkn 
2020-06-19 01:14:07 Near the coast of Ishigakijima     20 3.61  
2020-06-19 01:42:14 Near the coast of Yonagunijima     70 53  
2020-06-19 07:25:12 Near the coast of Miyakojima     50 4.73  
2020-06-19 09:26:34 Near the coast of Ishigakijima     20 5.63  
2020-06-19 14:45:40 Off the coast of Iwate     30 3.62  
2020-06-19 16:30:08 Near the coast of Ishigakijima     20 4.52  
2020-06-19 22:51:56 Near the coast of Ishigakijima     20 3.92  
2020-06-19 23:55:53 Near the coast of Ishigakijima     30 3.61  
2020-06-20 02:38:00 Off the coast of Iwate     50 3.31  
2020-06-20 13:34:54 Off the southwest coast of Hokkaido     10 3.71  
2020-06-21 07:51:24 Off the coast of Kushiro     50 3.71  
2020-06-21 13:55:18 Enshu     330 3.6Unkn 
2020-06-22 22:29:07 Near the coast of Yonagunijima     80 4.83  
2020-06-25 04:47:45 Off the east coast of Chiba     30 6.35 Lower  
2020-06-25 07:46:43 Off the coast of Iwate     10 3.82  
2020-06-26 02:00:33 Near Iriomotejima     30 4.53  
2020-06-26 11:08:24 Off the coast of Kushiro     90 3.41  
2020-06-26 20:57:48 Tomakomai Bay     140 3.62  
2020-06-28 06:17:53 Off the east coast of Kanto     10 4.71  
2020-06-28 19:01:19 Off the northeast coast of Amami Oshima     60 4.12  
2020-06-28 23:54:13 Off the east coast of Kanto     10 4.71  
2020-06-29 11:37:34 Near the coast of Miyakojima     50 4.63  
2020-06-29 18:52:45 Off the coast of Hachijojima     10 5.72  
2020-06-30 00:06:05 Off the southeast coast of Nemuro Peninsula     50 3.92  
2020-06-30 04:37:12 Off the east coast of Kanto     10 4.71  
2020-06-30 06:40:57 Near the coast of Miyakojima     10 42  
2020-06-30 10:19:33 Off the coast of Fukushima     10 3.61  
2020-06-30 21:56:55 Off the east coast of Kanto     10 4.81  
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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