J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-10-01 20:11:26 Off the coast of Ibaraki     50 4.22  
2015-10-01 22:43:38 Near the coast of Okinawa Island     50 3.82  
2015-10-02 18:20:42 Off the coast of Niigata Chuetsu     10 3.72  
2015-10-02 20:37:03 Near the coast of Amami Oshima     10 4.03  
2015-10-03 04:10:51 Kagoshima Satsuma     10 4.03  
2015-10-03 08:30:34 Off the coast of Miyagi     50 3.72  
2015-10-03 23:20:12 Near the coast of Tanegashima     30 3.62  
2015-10-03 23:32:07 Off the coast of Fukushima     50 3.72  
2015-10-04 00:52:14 Near the coast of Okinawa Island     50 4.53  
2015-10-04 04:36:51 Off the coast of Miyagi     50 4.23  
2015-10-04 19:35:49 Off the coast of Iwate     30 3.62  
2015-10-05 04:40:12 Off the coast of Miyagi     40 4.32  
2015-10-05 09:27:51 Off the coast of Ibaraki     10 3.81  
2015-10-05 19:55:53 Off the coast of Fukushima     30 3.52  
2015-10-05 21:28:46 Northern Wakayama     10 3.63  
2015-10-13 04:41:44 Off the coast of Miyagi     40 3.84  
2015-10-13 04:41:44 Off the coast of Miyagi     40 3.84  
2015-10-13 13:25:35 Off the coast of Iwate     10 3.92  
2015-10-13 20:51:13 Near Taiwan     40 5.22  
2015-10-14 00:00:07 Off the coast of Miyagi     40 4.32  
2015-10-14 08:18:40 Off the coast of Iwate     30 3.62  
2015-10-15 04:37:37 Off the southeast coast of Nemuro Peninsula     100 4.42  
2015-10-15 16:04:44 Off the coast of Miyagi     60 3.62  
2015-10-16 00:03:37 Off the east coast of Kanto     10 4.0Unkn 
2015-10-16 03:03:48 Off the coast of Miyagi     30 3.41  
2015-10-19 11:18:50 Near Taiwan     20 5.22  
2015-10-19 19:18:56 Off the coast of Fukushima     40 3.52  
2015-10-20 06:45:48 Off the southeast coast of Tanegashima     10 4.82  
2015-10-20 07:06:22 Off the east coast of Osumi Peninsula     20 3.51  
2015-10-20 08:39:03 Off the coast of Miyagi     60 3.52  
2015-10-20 11:42:29 Near the coast of Amami Oshima     10 3.93  
2015-10-20 17:38:36 Off the coast of Sanriku     10 4.82  
2015-10-20 18:32:55 Off the west coast of Ogasawara Islands     320 6.2Unkn 
2015-10-21 04:48:28 Off the coast of Tokachi     50 4.43  
2015-10-21 06:43:23 Off the coast of Ibaraki     40 3.82  
2015-10-21 12:55:27 Off the east coast of Hachijojima     90 4.52  
2015-10-21 14:12:04 Off the coast of Miyagi     60 3.52  
2015-10-21 14:30:55 Near the coast of Okinawa Island     10 4.32  
2015-10-21 15:05:47 Off the coast of Fukushima     30 5.74  
2015-10-22 09:03:35 Off the coast of Miyagi     10 3.71  
2015-10-22 09:24:53 Akita Southern Inland     180 3.5Unkn 
2015-10-22 09:52:50 Off the coast of Iwate     30 3.62  
2015-10-22 18:12:53 Off the south coast of Wakayama     10 3.61  
2015-10-22 23:43:08 Off the southeast coast of Nemuro Peninsula     10 3.61  
2015-10-23 01:19:46 Off the coast of Iwate     50 4.32  
2015-10-23 16:56:47 Off the coast of Iwate     30 4.02  
2015-10-24 13:14:53 Chiba-Northwestern     60 4.53  
2015-10-24 13:27:37 Tokachi-Central     110 3.72  
2015-10-25 17:16:10 Yamanashi East-Fuji 5 Lakes     20 4.33  
2015-10-26 02:19:43 Off the coast of Iwate     50 3.52  
2015-10-26 16:16:03 Off the coast of Uraga     60 3.52  
2015-10-26 19:42:41 Ibaraki-South     60 1.9Unkn 
2015-10-26 21:36:09 Fukui-Reinan     360 4.2Unkn 
2015-10-27 03:52:09 Off the coast of Kushiro     90 3.52  
2015-10-27 09:03:13 Off the east coast of Aomori     10 4.01  
2015-10-27 12:45:23 Off the coast of Fukushima     90 3.51  
2015-10-27 21:18:19 Off the coast of Iwate     40 4.02  
2015-10-28 05:44:32 Off the coast of Fukushima     10 4.01  
2015-10-28 12:30:51 Off the southeast coast of Nemuro Peninsula     10 4.42  
2015-10-28 12:31:47 Near the coast of Okinawa Island     20 3.51  
2015-10-29 11:56:14 Off the coast of Fukushima     30 3.72  
2015-10-29 16:12:24 Near the coast of Tanegashima     110 3.61  
2015-10-30 02:19:57 Off the coast of Kushiro     50 3.31  
2015-10-31 01:32:24 Nara Prefecture     60 3.62  
2015-10-31 07:26:44 Off the southeast coast of Tanegashima     10 4.01  
2015-10-31 10:39:29 Off the southeast coast of Kyushu     10 4.21  
2015-10-31 15:51:36 Wakasa Bay     380 3.9Unkn 
2015-10-31 16:58:05 Off the coast of Akita     10 4.82  
2015-10-31 23:20:58 Chiba-Northeastern     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