J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2015-03-01 16:16:43 遠州灘     370 3.9Unkn 
2015-03-02 03:35:11 Off the coast of Fukushima     80 4.02  
2015-03-02 04:21:55 Eastern Toyama     250 3.7Unkn 
2015-03-02 11:29:58 Off the coast of Hachijojima     10 4.22  
2015-03-02 17:16:08 Off the coast of Miyagi     30 3.41  
2015-03-03 22:37:06 Off the coast of Sanriku     10 3.7Unkn 
2015-03-04 00:04:21 West Aichi     40 4.63  
2015-03-05 11:45:54 Off the coast of Hachijojima     180 4.6Unkn 
2015-03-05 16:30:39 Off the coast of Sanriku     10 4.01  
2015-03-05 17:18:47 Off the east coast of Chiba     40 3.62  
2015-03-05 20:20:07 Mikawa Bay     340 3.5Unkn 
2015-03-05 21:18:18 Off the coast of Ibaraki     10 3.83  
2015-03-06 02:55:30 Off the coast of Hachijojima     200 4.6Unkn 
2015-03-06 08:06:00 Central Hidaka     60 4.83  
2015-03-06 08:59:34 Near the coast of Miyakojima     50 4.73  
2015-03-06 12:21:32 Izu Islands     10 4.13  
2015-03-06 14:20:00 Near the coast of Okinawa Island     50 4.32  
2015-03-07 02:53:39 Near the coast of Amami Oshima     10 3.91  
2015-03-07 09:51:25 Northern Wakayama     10 3.32  
2015-03-07 11:03:44 Northern Wakayama     10 3.83  
2015-03-07 23:31:39 Off the coast of Ibaraki     50 3.62  
2015-03-08 00:29:03 Off the coast of Ibaraki     50 3.52  
2015-03-08 08:16:42 Off the east coast of Aomori     20 4.43  
2015-03-08 19:35:22 Off the coast of Sanriku     10 4.82  
2015-03-09 00:07:15 Off the coast of Miyagi     70 3.52  
2015-03-09 11:58:45 Off the coast of Miyagi     30 4.63  
2015-03-10 03:41:25 Off the coast of Iwate     50 3.52  
2015-03-10 14:53:53 Off the coast of Fukushima     70 3.92  
2015-03-10 22:19:08 Off the coast of Fukushima     20 4.02  
2015-03-11 08:29:14 Off the coast of Fukushima     20 4.22  
2015-03-12 03:25:24 Near Kunashir     80 3.52  
2015-03-12 20:02:39 Off the coast of Fukushima     50 4.73  
2015-03-13 06:03:00 Near Iriomotejima     20 4.53  
2015-03-13 12:51:33 Off the coast of Miyagi     40 4.02  
2015-03-14 00:12:49 駿河湾     220 4.3Unkn 
2015-03-14 02:09:22 Off the coast of Miyagi     60 3.82  
2015-03-14 05:35:33 Near the coast of Amami Oshima     10 3.4Unkn 
2015-03-14 22:48:27 Near the coast of Miyakojima     50 4.73  
2015-03-15 00:36:08 Off the east coast of Kanto     10 5.42  
2015-03-15 10:29:44 Off the coast of Miyagi     10 3.51  
2015-03-16 20:56:48 Off the southeast coast of Nemuro Peninsula     60 4.53  
2015-03-16 23:23:51 Near the coast of Okinawa Island     50 4.43  
2015-03-17 14:45:51 Off the coast of Sanriku     10 4.82  
2015-03-17 23:48:27 Northwest Chiba     90 3.52  
2015-03-18 12:23:18 Off the southeast coast of Mie     10 3.61  
2015-03-19 04:06:52 Hida, Gifu     260 3.5Unkn 
2015-03-19 10:33:54 Off the coast of Miyagi     50 5.03  
2015-03-19 13:06:46 Near the coast of Yonagunijima     30 3.62  
2015-03-19 13:29:24 Hyuganada     30 3.52  
2015-03-20 08:30:15 Off the coast of Sanriku     10 5.22  
2015-03-20 19:54:16 Northeast Chiba     30 3.52  
2015-03-20 20:44:16 Off the coast of Fukushima     20 4.32  
2015-03-20 21:01:33 Near the coast of Yonagunijima     50 4.12  
2015-03-21 15:37:33 Off the coast of Miyagi     40 3.52  
2015-03-22 04:58:29 Off the coast of Fukushima     10 4.11  
2015-03-22 21:26:28 Off the coast of Fukushima     60 4.02  
2015-03-23 19:13:50 Near Taiwan     30 5.83  
2015-03-23 21:40:30 Southern Saitama     80 4.13  
2015-03-23 22:56:49 Off the coast of Iwate     50 4.53  
2015-03-24 02:00:15 Off the coast of Fukushima     50 3.62  
2015-03-24 13:19:01 Near Iriomotejima     10 3.83  
2015-03-24 13:53:25 Southern Ibaraki     60 4.53  
2015-03-25 00:42:10 Near the coast of Amami Oshima     50 3.42  
2015-03-25 09:34:28 Southern Tokachi     60 4.93  
2015-03-25 15:29:59 Near Kunashir     130 4.32  
2015-03-25 16:26:14 Southern Ibaraki     50 3.62  
2015-03-26 01:09:34 Off the east coast of Aomori     20 3.51  
2015-03-26 06:28:32 Off the east coast of Chiba     10 4.53  
2015-03-26 10:42:45 Near the coast of Amami Oshima     10 3.71  
2015-03-26 10:46:32 Off the coast of Fukushima     40 3.62  
2015-03-26 11:51:43 Southern inland of Iwate     150 3.9Unkn 
2015-03-26 17:41:13 Off the coast of Fukushima     40 4.02  
2015-03-27 02:28:27 Off the coast of Miyagi     50 3.52  
2015-03-27 09:11:52 Central Sea of Japan     390 3.8Unkn 
2015-03-27 12:04:03 Off the east coast of Kanto     10 5.01  
2015-03-27 13:50:02 Off the coast of Miyagi     30 4.22  
2015-03-27 17:01:02 Off the coast of Fukushima     40 3.62  
2015-03-27 21:32:12 Off the coast of Fukushima     10 4.53  
2015-03-27 23:39:34 Off the coast of Fukushima     10 4.53  
2015-03-28 04:09:37 Near Taiwan     10 4.5Unkn 
2015-03-28 11:05:30 Off the coast of Miyagi     50 3.72  
2015-03-28 11:51:23 Northwest Chiba     70 3.52  
2015-03-28 22:10:22 Off the northwest coast of Amami Oshima     10 3.71  
2015-03-29 00:16:49 Off the northwest coast of Amami Oshima     10 4.01  
2015-03-29 11:25:57 Southern Sorachi     150 3.8Unkn 
2015-03-29 12:23:22 鹿児島湾     140 3.92  
2015-03-29 20:20:02 Off the northwest coast of Amami Oshima     20 3.61  
2015-03-30 18:02:13 Off the coast of Miyagi     10 3.51  
2015-03-31 05:07:38 Near the coast of Okinawa Island     40 4.23  
2015-03-31 12:59:57 Northern Ibaraki     60 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
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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