J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-08-01 01:33:15 網走沖     240 3.6Unkn 
2013-08-01 20:13:23 Off the east coast of Chiba     20 3.51  
2013-08-02 12:07:57 Central Tokachi     130 3.82  
2013-08-03 00:12:14 Off the coast of Miyagi     20 3.51  
2013-08-03 09:56:15 遠州灘     30 4.23  
2013-08-03 15:12:13 Off the coast of Iwate     10 3.51  
2013-08-03 17:05:21 Off the coast of Miyagi     40 3.52  
2013-08-04 12:28:49 Off the coast of Miyagi     10 5.94  
2013-08-04 13:08:46 Off the coast of Miyagi     60 3.72  
2013-08-04 14:51:11 Northern Ibaraki     60 3.52  
2013-08-05 00:56:20 Southern Sea of Okhotsk     480 5.5Unkn 
2013-08-05 02:15:57 Near the coast of Miyakojima     10 4.63  
2013-08-05 23:31:20 Near the coast of Niijima / Kouzujima     10 4.73  
2013-08-06 00:35:06 Off the coast of Miyagi     60 3.52  
2013-08-06 02:20:01 Off the coast of Miyagi     50 3.72  
2013-08-07 16:51:29 Off the east coast of Aomori     60 4.33  
2013-08-08 16:55:59 Nara District     60 6.85 Upper  
2013-08-09 02:43:10 Off the coast of Iwate     30 3.61  
2013-08-09 11:59:33 Off the coast of Sanriku     10 5.02  
2013-08-09 18:58:04 Off the coast of Fukushima     10 3.71  
2013-08-09 23:57:20 Off the coast of Sanriku     10 3.81  
2013-08-10 01:40:18 Off the coast of Sanriku     10 3.81  
2013-08-10 06:36:47 Off the coast of Miyagi     10 3.51  
2013-08-10 07:30:07 Nakado-ri, Fukushima     10 3.83  
2013-08-10 07:56:03 Off the coast of Fukushima     10 4.93  
2013-08-10 08:05:44 Off the coast of Fukushima     60 3.52  
2013-08-11 15:05:06 Off the east coast of Kanto     10 3.6Unkn 
2013-08-12 05:39:28 Off the coast of Sanriku     10 3.91  
2013-08-12 09:31:55 Off the east coast of Hokkaido     10 4.12  
2013-08-12 09:51:10 Off the coast of Uraga     70 4.53  
2013-08-12 14:00:23 Off the coast of Kushiro     40 3.51  
2013-08-12 15:17:00 Off the coast of Iwate     50 3.52  
2013-08-12 20:35:26 Off the coast of Miyagi     10 3.51  
2013-08-12 21:59:21 Off the coast of Fukushima     10 5.63  
2013-08-13 01:25:36 Off the southeast coast of Mie     400 4.3Unkn 
2013-08-13 09:09:42 Kitami Region     200 4.5Unkn 
2013-08-13 10:01:38 Off the coast of Miyagi     20 3.71  
2013-08-13 11:18:46 Central Tokachi     110 3.52  
2013-08-13 19:17:19 Off the coast of Fukushima     10 3.61  
2013-08-14 00:10:21 Off the east coast of Kanto     10 3.6Unkn 
2013-08-14 09:45:28 Northern Ibaraki     10 4.74  
2013-08-14 14:31:24 Northern Ibaraki     10 4.94  
2013-08-14 20:56:44 Near the coast of Niijima / Kouzujima     10 3.63  
2013-08-15 07:31:27 Near the coast of Miyakojima     20 3.62  
2013-08-15 07:53:54 Off the coast of Ibaraki     30 3.82  
2013-08-16 04:03:08 Off the coast of Ibaraki     30 3.62  
2013-08-16 05:38:34 Near the coast of Amami Oshima     10 3.51  
2013-08-17 01:28:04 Off the coast of Iwate     50 3.61  
2013-08-17 01:41:30 Off the coast of Uraga     80 3.62  
2013-08-17 13:15:59 Near the coast of Niijima / Kouzujima     10 3.63  
2013-08-17 18:12:50 南大東島近海     10 3.61  
2013-08-17 19:20:53 Off the coast of Ibaraki     80 3.82  
2013-08-18 08:00:46 Off the coast of Hachijojima     10 4.83  
2013-08-18 14:35:13 Off the coast of Sanriku     10 4.3Unkn 
2013-08-19 11:22:38 Northern Ibaraki     10 5.34  
2013-08-20 02:45:52 Hyuganada     10 3.82  
2013-08-20 14:02:46 Off the coast of Iwate     10 3.61  
2013-08-21 02:41:21 Off the coast of Fukushima     10 3.5Unkn 
2013-08-22 00:28:02 Off the coast of Fukushima     40 3.82  
2013-08-22 00:35:39 Off the coast of Fukushima     10 3.51  
2013-08-22 01:14:19 Northern Ibaraki     70 3.52  
2013-08-22 01:57:35 Hyuganada     40 3.52  
2013-08-22 02:20:03 Off the coast of Fukushima     30 3.92  
2013-08-22 15:53:03 Eastern Hidaka     70 4.32  
2013-08-22 17:02:47 Off the coast of Iwate     50 3.52  
2013-08-23 01:55:13 Off the coast of Fukushima     10 3.61  
2013-08-23 04:29:53 Off the coast of Fukushima     10 3.61  
2013-08-23 12:34:16 Off the coast of Miyagi     10 3.92  
2013-08-23 15:03:41 Off the coast of Iwate     10 3.61  
2013-08-23 23:21:52 Northern Ibaraki     10 4.13  
2013-08-25 03:43:40 Off the coast of Miyagi     10 3.51  
2013-08-25 05:30:51 Off the coast of Kushiro     70 3.81  
2013-08-25 10:01:02 Off the northwest coast of Ishigaki Island     10 3.71  
2013-08-25 10:15:24 Off the northeast coast of Amami Oshima     40 3.61  
2013-08-25 11:00:48 Off the west coast of Satsuma Peninsula     10 3.61  
2013-08-25 18:18:30 Off the coast of Miyagi     50 3.92  
2013-08-26 14:24:27 Off the coast of Miyagi     50 3.52  
2013-08-26 23:51:40 Southern Tokachi     50 3.52  
2013-08-27 02:50:49 Off the coast of Ibaraki     50 3.52  
2013-08-28 02:09:21 Off the coast of Fukushima     10 3.91  
2013-08-28 06:40:54 Off the coast of Ibaraki     30 3.52  
2013-08-28 16:57:18 Off the southwest of Hokkaido     160 3.8Unkn 
2013-08-28 17:55:47 Off the coast of Fukushima     70 3.92  
2013-08-28 21:50:05 Off the coast of Fukushima     10 3.9Unkn 
2013-08-29 00:20:59 Off the coast of Fukushima     60 3.52  
2013-08-29 11:47:31 Off the coast of Sanriku     10 3.81  
2013-08-29 12:32:47 Off the coast of Miyagi     10 3.51  
2013-08-29 21:45:51 Nakado-ri, Fukushima     10 4.03  
2013-08-29 22:43:25 East Kanagawa     30 3.82  
2013-08-30 17:32:24 Off the south coast of Wakayama     10 4.64  
2013-08-30 19:32:49 Off the coast of Miyagi     10 3.71  
2013-08-31 05:32:12 Off the coast of Akita     160 3.7Unkn 
2013-08-31 10:34:51 Off the coast of Miyagi     70 3.62  
2013-08-31 17:59:39 Off the coast of Ibaraki     100 3.52  
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
2021 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