J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2020-01-01 02:59:06 Off the northwest coast of Amami Oshima     10 3.51  
2020-01-01 10:08:57 Off the south coast of Tokaido     320 3.6Unkn 
2020-01-01 10:12:17 Off the coast of Uraga     70 3.52  
2020-01-01 16:00:43 Off the east coast of Kanto     10 3.7Unkn 
2020-01-03 03:23:54 Off the east coast of Chiba     30 5.85 Lower  
2020-01-03 10:19:13 Off the coast of Akita     180 4.6Unkn 
2020-01-03 11:09:05 Off the coast of Kushiro     50 3.92  
2020-01-04 07:50:09 Off the coast of Miyagi     10 3.61  
2020-01-04 12:13:38 Near the coast of Amami Oshima     10 3.81  
2020-01-04 18:45:15 Off the coast of Kushiro     90 2.71  
2020-01-05 21:25:46 Off the coast of Shikoku     10 4.92  
2020-01-06 09:20:50 Off the northeast coast of Amami Oshima     10 4.82  
2020-01-06 09:53:35 Off the northeast coast of Amami Oshima     10 5.12  
2020-01-06 21:17:17 Off the northwest coast of Amami Oshima     20 42  
2020-01-07 05:11:47 Off the northwest coast of Amami Oshima     20 3.71  
2020-01-08 11:47:41 Off the coast of Fukushima     10 3.51  
2020-01-08 11:53:16 Hyuganada     20 3.51  
2020-01-08 11:57:50 Off the coast of Fukushima     20 4.62  
2020-01-10 19:59:13 Near the coast of Ishigakijima     50 4.22  
2020-01-12 00:55:37 Off the southeast coast of Nemuro Peninsula     10 4.63  
2020-01-12 21:31:37 Near the coast of Ishigakijima     10 3.92  
2020-01-14 13:25:50 Off the coast of Ibaraki     50 4.73  
2020-01-14 22:19:44 Off the east coast of Aomori     80 3.32  
2020-01-15 19:50:23 Off the coast of Fukushima     40 3.62  
2020-01-15 20:31:36 Off the coast of Kushiro     90 4.63  
2020-01-16 18:36:12 Near the coast of Okinawa     10 4.33  
2020-01-16 18:42:44 Near the coast of Okinawa     10 3.83  
2020-01-18 02:53:45 Off the coast of Miyagi     40 3.52  
2020-01-18 05:21:30 Off the coast of Iwate     10 3.52  
2020-01-20 00:44:37 Near the coast of Amami Oshima     10 3.61  
2020-01-20 17:04:30 Near the coast of Amami Oshima     10 4.13  
2020-01-21 19:17:53 Off the coast of Ibaraki     60 4.63  
2020-01-22 12:21:23 Near Iriomotejima     20 42  
2020-01-22 19:38:05 Off the coast of Fukushima     40 3.51  
2020-01-22 23:32:37 Near Taiwan     10 5.12  
2020-01-23 07:08:45 Off the southeast coast of Nemuro Peninsula     70 4.12  
2020-01-24 12:44:26 Off the coast of Fukushima     10 4.52  
2020-01-25 10:34:36 Off the east coast of Chiba     50 4.33  
2020-01-25 20:01:20 Off the coast of Ibaraki     60 4.22  
2020-01-26 02:44:35 Off the coast of Kushiro     50 3.51  
2020-01-26 04:40:46 Off the east coast of Kanto     10 4.72  
2020-01-26 07:45:08 Sea of Goto Islands     10 3.72  
2020-01-28 10:36:03 Near Kunashir     100 5.53  
2020-01-28 12:23:47 Off the coast of Iwate     20 3.51  
2020-01-28 19:13:47 Off the east coast of Aomori     60 4.12  
2020-01-28 23:13:22 Off the coast of Okinawa Main Island     10 3.61  
2020-01-28 23:59:44 Off the coast of Miyagi     50 3.52  
2020-01-29 01:33:36 Off the coast of Kushiro     60 3.82  
2020-01-31 21:26:33 Off the coast of Fukushima     40 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