J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2018-03-01 04:48:25 Northern Wakayama     10 3.63  
2018-03-01 18:35:53 Off the coast of Fukushima     20 3.31  
2018-03-01 19:55:54 Off the coast of Uraga     50 3.52  
2018-03-01 22:43:21 Near Iriomotejima     20 6.05 Lower  
2018-03-01 23:12:28 Near Iriomotejima     10 4.33  
2018-03-02 00:33:12 Near Iriomotejima     20 4.03  
2018-03-02 03:20:28 Off the coast of Tokachi     50 3.52  
2018-03-02 11:45:10 Near Iriomotejima     20 3.93  
2018-03-02 12:43:44 Near the coast of Yonagunijima     60 5.23  
2018-03-02 23:20:14 Near Iriomotejima     10 3.52  
2018-03-03 04:23:31 Near the coast of Amami Oshima     10 4.42  
2018-03-03 18:34:03 Off the coast of Sanriku     10 4.51  
2018-03-03 23:39:12 Near Iriomotejima     10 3.63  
2018-03-04 13:57:58 Near Iriomotejima     20 3.52  
2018-03-05 04:54:48 Off the southeast coast of Iturup     120 5.22  
2018-03-06 00:44:47 Off the coast of Miyagi     30 3.72  
2018-03-06 20:13:42 Off the southeast coast of Nemuro Peninsula     10 3.72  
2018-03-06 21:19:57 Near the coast of Okinawa Island     50 4.33  
2018-03-08 13:35:59 Near Iriomotejima     10 3.83  
2018-03-09 07:44:37 Off the coast of Miyagi     30 3.52  
2018-03-09 11:00:02     10 7.5Unkn 
2018-03-09 11:10:01     10 7.5Unkn 
2018-03-09 18:16:57     90 4.13  
2018-03-10 04:33:23 Off the southeast coast of Nemuro Peninsula     50 3.52  
2018-03-10 07:50:30 Off the coast of Shikoku     10 3.81  
2018-03-10 09:21:45 Off the coast of Uraga     20 3.51  
2018-03-10 14:53:32 Northern Wakayama     10 3.32  
2018-03-10 20:15:55 Yamaguchi-East     50 3.52  
2018-03-11 05:06:00 Near the coast of Amami Oshima     10 3.72  
2018-03-12 15:41:17 Off the east coast of Aomori     10 4.22  
2018-03-12 19:22:21 Near the coast of Okinawa Island     50 4.73  
2018-03-13 15:11:44 Near Iriomotejima     20 4.43  
2018-03-13 15:47:19 Chiba-Northeastern     40 4.93  
2018-03-13 15:55:15 Off the east coast of Chiba     30 4.23  
2018-03-15 01:19:25 Near the coast of Okinawa Island     10 3.51  
2018-03-15 03:39:02     480 3.7Unkn 
2018-03-15 05:42:03 Off the coast of Miyagi     40 4.12  
2018-03-15 07:04:37 Off the southeast coast of Mie     10 3.61  
2018-03-16 20:05:41 Near Iriomotejima     10 3.63  
2018-03-18 10:27:47 Off the coast of Kushiro     40 4.02  
2018-03-18 12:59:59 Chiba-Northwestern     60 4.23  
2018-03-19 11:46:09 Off the east coast of Chiba     20 5.43  
2018-03-19 19:21:18 Off the coast of Fukushima     40 3.51  
2018-03-22 08:16:13 Tomakomai Bay     100 3.72  
2018-03-23 06:33:18 Off the coast of Miyagi     40 5.34  
2018-03-23 19:37:52 Off the southwest of Hokkaido     250 3.7Unkn 
2018-03-24 02:33:46 Off the coast of Iwate     60 3.62  
2018-03-24 04:04:23 Off the southwest of Hokkaido     220 4.2Unkn 
2018-03-24 05:29:48 Near the coast of Miyakojima     60 4.62  
2018-03-25 03:59:32 Off the coast of Kushiro     70 3.81  
2018-03-25 12:30:15 Off the coast of Fukushima     60 3.52  
2018-03-25 18:40:14 Off the southeast coast of Nemuro Peninsula     10 3.51  
2018-03-26 00:23:30     10 3.52  
2018-03-26 00:37:44 Off the east coast of Hachijojima     60 4.62  
2018-03-26 18:45:25 Ibaraki-South     50 4.13  
2018-03-28 01:38:22 Off the south coast of Tokaido     360 4.1Unkn 
2018-03-28 17:50:08 Off the coast of Kushiro     80 4.22  
2018-03-28 18:47:31 Near the coast of Amami Oshima     10 3.81  
2018-03-28 21:04:46 Off the coast of Miyagi     30 3.61  
2018-03-29 00:00:24 Off the east coast of Kanto     10 4.51  
2018-03-29 23:07:05 Off the coast of Uraga     70 3.62  
2018-03-30 00:42:39 Off the southeast coast of Nemuro Peninsula     70 4.12  
2018-03-30 01:31:51 Iwate Northern Coast     60 3.42  
2018-03-30 09:18:05 Off the coast of Fukushima     80 3.62  
2018-03-31 17:06:30 Ibaraki-North     60 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