J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-06-02 00:51:36 Off the coast of Sanriku     10 3.91  
2015-06-02 01:06:19 Off the coast of Fukushima     50 3.21  
2015-06-02 21:47:38 Off the south coast of Tokaido     380 3.7Unkn 
2015-06-03 00:17:07 Off the coast of Miyagi     10 3.81  
2015-06-03 06:05:02 Near the coast of Torishima     10 5.91  
2015-06-03 07:01:49 Off the coast of Ibaraki     20 4.33  
2015-06-03 08:21:41 Off the coast of Miyagi     40 3.42  
2015-06-03 20:39:21 Northern Kushiro     10 3.53  
2015-06-04 04:34:15 South Central Kushiro     10 4.84  
2015-06-04 14:36:35 Off the east coast of Aomori     60 3.52  
2015-06-05 08:52:13 紀伊水道     40 4.32  
2015-06-05 15:11:47 Off the coast of Miyagi     40 3.52  
2015-06-06 09:30:35 Near Iriomotejima     20 3.82  
2015-06-06 09:42:11 Off the coast of Ibaraki     30 3.51  
2015-06-06 16:28:14 Off the coast of Hachijojima     10 4.22  
2015-06-07 19:17:34 Off the coast of Fukushima     20 3.81  
2015-06-08 02:14:51 Off the east coast of Aomori     10 3.61  
2015-06-08 15:01:09 Off the east coast of Aomori     60 5.34  
2015-06-08 18:15:16 Near the coast of Miyakojima     30 3.82  
2015-06-08 20:43:44 Near the coast of Okinawa Island     50 3.42  
2015-06-09 05:44:08 Southern Ibaraki     50 4.53  
2015-06-09 20:08:46 Off the east coast of Aomori     60 3.62  
2015-06-10 02:00:20 Off the east coast of Aomori     60 3.62  
2015-06-10 03:44:50 Off the east coast of Aomori     10 4.93  
2015-06-10 08:38:14 Off the northeast coast of Amami Oshima     50 4.12  
2015-06-10 17:32:57 Off the coast of Sanriku     10 5.63  
2015-06-10 17:44:39 Off the coast of Sanriku     10 4.21  
2015-06-10 19:25:25 Northeast Chiba     30 3.62  
2015-06-10 21:36:09 Off the coast of Sanriku     10 4.21  
2015-06-11 05:06:57 Off the coast of Tokachi     10 4.92  
2015-06-11 09:29:00 Off the coast of Miyagi     70 3.62  
2015-06-11 13:45:26 Off the coast of Sanriku     10 5.83  
2015-06-11 13:51:21 Off the coast of Sanriku     10 6.03  
2015-06-11 13:56:27 Off the coast of Sanriku     10 5.73  
2015-06-11 14:29:54 Off the coast of Sanriku     10 5.32  
2015-06-11 18:19:19 Off the southeast coast of Tanegashima     30 4.92  
2015-06-11 23:40:57 Off the coast of Miyagi     40 3.92  
2015-06-13 05:55:59 Off the coast of Iwate     50 4.73  
2015-06-13 11:33:18 遠州灘     350 4.1Unkn 
2015-06-14 07:38:34 Northern Soya     300 3.9Unkn 
2015-06-14 10:42:18 Off the coast of Sanriku     10 3.71  
2015-06-14 13:18:15 Off the coast of Fukushima     50 4.02  
2015-06-15 07:22:34 小笠原諸島西方沖     10 5.51  
2015-06-17 00:16:07 Near Taiwan     30 4.11  
2015-06-17 02:59:36 Off the coast of Miyagi     10 3.42  
2015-06-17 09:05:38 Off the east coast of Aomori     10 3.51  
2015-06-18 16:36:33 Northern Coast of Iwate Prefecture     60 3.52  
2015-06-19 09:35:12 Off the coast of Fukushima     40 4.83  
2015-06-19 21:30:16 Off the northeast coast of Amami Oshima     60 4.82  
2015-06-20 01:39:17 Off the coast of Miyagi     40 3.62  
2015-06-20 11:44:26 West Kanagawa     10 3.63  
2015-06-20 22:27:55 Off the coast of Fukushima     10 4.01  
2015-06-21 10:57:49 Off the coast of Fukushima     10 4.11  
2015-06-21 13:16:20 Off the coast of Miyagi     50 3.72  
2015-06-21 15:15:26 Near Taiwan     50 4.62  
2015-06-21 23:18:10 Off the coast of Fukushima     10 3.71  
2015-06-22 05:30:33 Off the coast of Ibaraki     50 3.82  
2015-06-22 11:08:56 Off the east coast of Hachijojima     70 4.21  
2015-06-22 11:17:53 Off the coast of Miyagi     40 4.83  
2015-06-23 00:35:16 Off the east coast of Aomori     60 4.63  
2015-06-23 14:59:49 Off the south coast of the Boso Peninsula     110 3.71  
2015-06-23 20:06:50 Off the coast of Miyagi     40 3.62  
2015-06-23 21:18:25 Central Sea of Japan     440 4.3Unkn 
2015-06-25 07:11:09 Off the coast of Miyagi     40 3.41  
2015-06-25 07:34:47 Off the coast of Miyagi     60 3.72  
2015-06-26 19:38:01 Off the east coast of Aomori     70 4.73  
2015-06-27 01:16:40 Near the coast of Yonagunijima     120 4.52  
2015-06-27 05:39:22 Near the coast of Amami Oshima     40 4.43  
2015-06-27 15:23:11 Off the coast of Ibaraki     40 3.72  
2015-06-27 16:57:14 Off the coast of Ibaraki     60 3.52  
2015-06-28 03:19:34 Off the east coast of Aomori     70 3.52  
2015-06-28 05:44:40 Near the coast of Tokara Islands     70 3.82  
2015-06-28 07:51:29 Off the coast of Fukushima     50 3.72  
2015-06-28 07:58:50 Off the coast of Miyagi     40 4.32  
2015-06-28 10:39:43 Off the coast of Miyagi     40 3.62  
2015-06-29 19:07:27 Off the coast of Fukushima     50 4.22  
2015-06-29 23:25:24 Off the coast of Fukushima     80 3.82  
2015-06-30 06:03:59 East Kanagawa     10 3.83  
2015-06-30 06:56:51 West Kanagawa     10 4.03  
2015-06-30 09:49:43 Off the west coast of Satsuma Peninsula     160 3.5Unkn 
2015-06-30 10:45:22 Segami Bay     10 3.83  
2015-06-30 16:05:02 Near the coast of Chichijima     10 4.92  
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
2022 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
2023 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
2024 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

Information provided by the Japan Meteorological Agency.
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