J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-06-03 00:41:15 Off the coast of Fukushima     40 4.81  
2020-06-03 01:02:55 Off the coast of Okinawa Main Island     20 4.52  
2020-06-03 02:13:55 Off the coast of Iwate     20 3.61  
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 05:31:18 Off the coast of Ibaraki     60 5.34  
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 3.52  
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 14:12:12 Off the south coast of Nankai     10 3.5Unkn 
2020-06-09 23:44:26 Off the coast of Kushiro     80 3.82  
2020-06-10 00:22:40 Tosa Bay     20 4.63  
2020-06-10 07:07:01 Near the coast of Miyakojima     40 3.52  
2020-06-12 02:09:33 Off the southeast coast of Nemuro Peninsula     60 3.92  
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 3.51  
2020-06-13 02:42:05 Off the coast of Miyagi     60 3.62  
2020-06-13 04:16:23 Off the coast of Sanriku     50 4.51  
2020-06-13 19:01:42 Off the coast of Ibaraki     40 3.52  
2020-06-14 00:51:26 Off the northwest coast of Amami Oshima     130 6.24  
2020-06-14 05:19:03 Near the coast of Yonagunijima     10 5.33  
2020-06-14 10:52:54 Off the coast of Fukushima     10 3.61  
2020-06-15 02:28:05 Near Taiwan     280 5.9Unkn 
2020-06-15 02:28:38 Hyuganada     20 3.51  
2020-06-15 03:15:12 Near the coast of Ishigakijima     10 4.42  
2020-06-15 04:25:54 Near the coast of Yonagunijima     10 4.42  
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 4.42  
2020-06-15 10:14:18 Near Taiwan     170 5.7Unkn 
2020-06-15 11:32:47 Off the northwest coast of Ishigaki Island     10 4.82  
2020-06-15 11:48:36 East China Sea     10 6.22  
2020-06-15 12:00:52 Near Taiwan     240 5.6Unkn 
2020-06-15 13:53:07 East China Sea     180 5.5Unkn 
2020-06-15 15:38:50 Off the southeast coast of Nemuro Peninsula     10 3.61  
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 5.6Unkn 
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 4.62  
2020-06-15 22:47:16 Near the coast of Ishigakijima     30 4.83  
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 4.43  
2020-06-16 01:55:02 Off the coast of Fukushima     80 4.22  
2020-06-16 02:19:27 Off the northwest coast of Ishigaki Island     10 4.83  
2020-06-16 07:28:10 Off the coast of Ibaraki     60 3.52  
2020-06-16 08:27:21 Off the southeast coast of Chiba     60 4.43  
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 5.42  
2020-06-16 22:34:08 Off the northwest coast of Ishigaki Island     50 4.52  
2020-06-17 00:30:45 Off the south coast of Tokaido     350 4.3Unkn 
2020-06-19 01:14:07 Near the coast of Ishigakijima     20 3.51  
2020-06-19 01:41:28 East China Sea     400 6.1Unkn 
2020-06-19 07:25:12 Near the coast of Miyakojima     50 4.73  
2020-06-19 09:26:34 Near the coast of Yonagunijima     50 5.43  
2020-06-19 14:45:40 Off the coast of Iwate     40 3.62  
2020-06-19 16:30:08 Near the coast of Ishigakijima     50 4.32  
2020-06-19 22:51:56 Near the coast of Ishigakijima     30 3.71  
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 3.52  
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 13:55:16 Enshu     340 3.6Unkn 
2020-06-22 22:29:06 Near the coast of Yonagunijima     90 4.93  
2020-06-25 04:47:46 Off the east coast of Chiba     30 5.85 Lower  
2020-06-25 07:46:44 Off the coast of Iwate     30 3.52  
2020-06-26 02:00:33 Near Iriomotejima     30 4.53  
2020-06-26 11:08:25 Off the coast of Kushiro     80 3.72  
2020-06-26 20:57:48 Uchinoura Bay     140 3.52  
2020-06-27 16:08:07 Off the coast of Niigata Chuetsu     210 3.8Unkn 
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 4.51  
2020-06-29 11:37:34 Near the coast of Miyakojima     50 4.63  
2020-06-29 18:52:51 Off the east coast of Kanto     10 4.81  
2020-06-30 00:05:57 Off the southeast coast of Nemuro Peninsula     10 4.22  
2020-06-30 04:37:12 Off the east coast of Kanto     10 4.61  
2020-06-30 06:40:56 Near the coast of Miyakojima     50 4.32  
2020-06-30 10:19:33 Off the coast of Fukushima     10 3.51  
2020-06-30 21:56:55 Off the east coast of Kanto     10 4.92  
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