J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2017-12-01 23:48:46 Near the coast of Amami Oshima     10 3.61  
2017-12-02 00:13:21 Ibaraki-South     40 4.53  
2017-12-02 05:48:59 Off the coast of Uraga     70 4.83  
2017-12-02 19:09:15 Off the coast of Miyagi     30 3.41  
2017-12-04 16:55:17 Hyuganada     10 3.62  
2017-12-05 22:09:08 Tochigi-South     120 3.52  
2017-12-05 23:16:32 Off the coast of Fukushima     10 4.02  
2017-12-06 00:22:59 Ibaraki-North     10 4.43  
2017-12-06 16:41:38 Off the coast of Iwate     30 4.42  
2017-12-07 05:48:27 Off the coast of Miyagi     60 3.62  
2017-12-09 05:02:30 Off the coast of Fukushima     20 3.71  
2017-12-09 08:18:00 Off the southeast coast of Mie     380 3.7Unkn 
2017-12-09 19:29:34 Off the southeast coast of Mie     400 3.7Unkn 
2017-12-10 21:52:55 Near Iriomotejima     30 3.82  
2017-12-12 01:53:38 Off the coast of Fukushima     40 3.51  
2017-12-12 12:48:18 Iwate Northern Coast     60 4.13  
2017-12-15 15:53:34 Off the east coast of Hachijojima     50 3.81  
2017-12-15 16:05:51 Fukushima-Aizu     140 3.82  
2017-12-15 17:10:45 Near the coast of Tanegashima     10 4.53  
2017-12-16 02:57:56 Off the coast of Sanriku     10 3.5Unkn 
2017-12-16 02:59:40 Off the coast of Iwate     50 5.44  
2017-12-17 20:30:11 Off the southeast coast of Nemuro Peninsula     50 4.22  
2017-12-18 03:56:52 Off the coast of Miyagi     40 4.22  
2017-12-18 06:10:56 Off the coast of Miyagi     50 4.73  
2017-12-18 10:14:12 Off the coast of Fukushima     10 4.21  
2017-12-18 11:05:58 Off the coast of Fukushima     10 3.61  
2017-12-19 06:16:33 Northern Wakayama     10 3.53  
2017-12-19 06:55:31 Off the coast of Miyagi     50 4.53  
2017-12-19 08:25:12 Off the southeast coast of Kyushu     10 4.11  
2017-12-19 09:02:28 Off the southeast coast of Kyushu     10 3.91  
2017-12-19 19:13:34 Off the coast of Akita     10 4.23  
2017-12-20 04:50:35 Off the east coast of Aomori     50 3.62  
2017-12-20 07:46:43 Off the southeast coast of Kyushu     10 3.71  
2017-12-20 09:09:20 Off the southeast coast of Kyushu     10 3.5Unkn 
2017-12-20 21:45:28 Off the southeast coast of Mie     60 3.61  
2017-12-20 22:42:07 Off the southeast coast of Kyushu     10 5.32  
2017-12-20 23:46:34 Off the southeast coast of Kyushu     10 4.82  
2017-12-21 09:49:30 Off the southeast coast of Kyushu     10 3.61  
2017-12-21 12:42:27 Off the southeast coast of Kyushu     10 4.82  
2017-12-21 22:09:42 Off the east coast of Chiba     30 3.32  
2017-12-22 06:06:11 Near the coast of Ishigakijima     60 4.62  
2017-12-23 07:18:11 Off the coast of Miyagi     30 3.72  
2017-12-24 15:33:23 Off the southeast coast of Nemuro Peninsula     90 3.92  
2017-12-26 07:24:54 Off the coast of Fukushima     10 4.92  
2017-12-26 20:17:54 Off the east coast of Hokkaido     70 3.82  
2017-12-26 20:35:35 Hyuganada     20 3.51  
2017-12-27 22:06:19 Chiba-Northwestern     60 4.12  
2017-12-29 01:51:37 Off the coast of Iwate     30 3.51  
2017-12-29 06:16:02 Off the coast of Tokachi     40 4.92  
2017-12-29 07:48:34 Off the east coast of Chiba     10 3.42  
2017-12-30 23:35:36 Kushiro-South Central     90 4.22  
2017-12-31 12:50:26 Near the coast of Tokara Islands     180 4.9Unkn 
2017-12-31 21:24:58 Near the coast of Miyakojima     30 4.12  
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