J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2018-01-01 04:43:35 Off the east coast of Chiba     30 4.43  
2018-01-02 15:36:17 Off the coast of Miyagi     20 3.62  
2018-01-03 06:25:41 Off the coast of Fukushima     10 3.61  
2018-01-04 15:20:58 Chiba-Northwestern     70 4.23  
2018-01-04 22:17:46 Off the southwest of Hokkaido     210 3.8Unkn 
2018-01-05 11:03:41 Off the coast of Ibaraki     30 5.95 Lower  
2018-01-05 23:29:10 Off the coast of Ibaraki     10 3.51  
2018-01-06 00:55:06 Chiba-Northwestern     70 4.93  
2018-01-06 05:48:44     10 4.43  
2018-01-06 22:46:48 Off the east coast of Aomori     10 5.03  
2018-01-07 11:24:17 Off the coast of Miyagi     50 3.52  
2018-01-07 18:20:52 Off the coast of Ibaraki     30 4.43  
2018-01-08 08:55:02 Off the southeast coast of Mie     380 3.7Unkn 
2018-01-09 05:53:03 Iyonada     60 4.23  
2018-01-09 13:44:16 Off the coast of Iwate     50 4.32  
2018-01-10 07:21:52 Off the east coast of Chiba     10 4.82  
2018-01-10 07:31:19 Off the east coast of Chiba     30 5.33  
2018-01-10 15:24:27 Off the southeast coast of Kyushu     10 4.21  
2018-01-10 20:02:30 Off the southeast coast of Kyushu     10 4.11  
2018-01-10 20:04:41 Hidaka-Central     130 4.32  
2018-01-12 01:56:17 Miyagi-North     70 3.42  
2018-01-12 18:52:27 Off the southeast coast of Kyushu     10 4.31  
2018-01-13 08:57:18 Off the coast of Miyagi     60 3.52  
2018-01-13 13:14:12 Off the southeast coast of Kyushu     10 3.71  
2018-01-14 11:46:59 Near the coast of Amami Oshima     10 4.52  
2018-01-14 18:08:29 Off the coast of Uraga     40 4.63  
2018-01-16 05:43:00 Off the southeast coast of Kyushu     10 4.41  
2018-01-16 17:59:45 Off the coast of Fukushima     60 3.52  
2018-01-16 18:50:48 Off the coast of Kushiro     60 4.53  
2018-01-16 20:07:04 Off the east coast of Hachijojima     70 4.21  
2018-01-17 00:07:46 Near the coast of Okinawa Island     30 4.03  
2018-01-19 08:23:15 Off the east coast of Chiba     10 3.63  
2018-01-19 19:26:16 Off the southeast coast of Kyushu     10 3.61  
2018-01-19 21:01:13 Off the southeast coast of Nemuro Peninsula     80 4.63  
2018-01-20 11:07:12 Off the south coast of Wakayama     10 4.01  
2018-01-21 15:16:08 Shizuoka-Central     30 3.92  
2018-01-24 02:33:10 Off the coast of Ibaraki     30 4.33  
2018-01-24 19:52:28 Off the east coast of Aomori     10 6.04  
2018-01-24 22:56:34 Off the coast of Fukushima     50 4.43  
2018-01-27 05:26:15 Off the east coast of Hachijojima     120 3.61  
2018-01-27 15:01:30 Off the south coast of Tokaido     10 4.22  
2018-01-29 05:23:20 Off the coast of Sanriku     10 4.82  
2018-01-29 13:01:09 Off the east coast of Aomori     10 3.92  
2018-01-29 19:22:38 Off the coast of Uraga     60 3.52  
2018-01-30 08:43:34 Off the east coast of Aomori     10 3.72  
2018-01-30 09:26:52 Off the coast of Miyagi     50 4.73  
2018-01-30 13:11:02 Hidaka-Central     40 3.62  
2018-01-31 05:12:47 Off the coast of Uraga     60 4.63  
2018-01-31 10:16:35 Off the coast of Ibaraki     30 4.33  
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