J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2014-07-01 01:10:10 Near the coast of Amami Oshima     30 4.63  
2014-07-01 17:10:30 Hamado-ri, Fukushima     10 3.63  
2014-07-01 18:00:54 Near the coast of Okinawa Island     10 4.11  
2014-07-02 01:28:12 Off the west coast of Satsuma Peninsula     190 4.1Unkn 
2014-07-03 03:00:36 Near the coast of Okinawa Island     50 4.12  
2014-07-06 09:44:22 J1 EEW System Test 10     10 3.5Unkn 
2014-07-06 09:44:22 J1 EEW System Test 9     10 3.5Unkn 
2014-07-06 09:44:22 J1 EEW System Test 8     10 3.5Unkn 
2014-07-06 09:44:22 J1 EEW System Test 7     10 3.5Unkn 
2014-07-06 09:44:22 J1 EEW System Test 11     10 3.5Unkn 
2014-07-06 14:03:27 Off the coast of Fukushima     10 3.61  
2014-07-07 02:48:07 Off the east coast of Chiba     20 3.32  
2014-07-07 04:28:39 Off the coast of Iwate     30 3.82  
2014-07-08 03:09:16 Off the east coast of Chiba     20 4.12  
2014-07-08 18:05:24 Central East Iburi Subprefecture     10 5.55 Lower  
2014-07-08 21:52:47 Off the coast of Sanriku     10 3.61  
2014-07-09 06:41:25 Northeast Chiba     30 3.92  
2014-07-10 17:58:53 Northern Ibaraki     10 4.64  
2014-07-10 18:16:25 Central East Iburi Subprefecture     10 3.32  
2014-07-11 20:46:06 Off the coast of Iwate     10 3.62  
2014-07-11 22:11:41 Off the northwest coast of Okinawa     140 5.33  
2014-07-12 04:21:57 Off the coast of Fukushima     10 7.14  
2014-07-12 04:59:13 Off the coast of Fukushima     10 4.01  
2014-07-12 05:06:14 Off the coast of Fukushima     10 3.61  
2014-07-12 06:00:28 Off the coast of Fukushima     10 4.72  
2014-07-12 06:49:17 Off the coast of Fukushima     10 3.71  
2014-07-12 06:53:41 Off the coast of Iwate     10 3.61  
2014-07-12 07:45:04 Off the coast of Fukushima     10 3.71  
2014-07-12 08:39:09 Off the coast of Fukushima     10 3.81  
2014-07-12 12:22:23 Off the coast of Fukushima     10 3.71  
2014-07-12 16:59:30 Off the coast of Miyagi     30 3.72  
2014-07-12 18:29:57 Off the coast of Fukushima     10 3.51  
2014-07-13 01:15:52 Off the coast of Fukushima     10 3.5Unkn 
2014-07-13 03:59:50 Off the coast of Ibaraki     60 3.52  
2014-07-13 04:10:03 Off the coast of Fukushima     10 3.61  
2014-07-13 10:58:19 Off the coast of Fukushima     10 3.71  
2014-07-13 22:26:41 Off the coast of Fukushima     10 3.8Unkn 
2014-07-14 03:54:21 Near the coast of Okinawa Island     10 3.6Unkn 
2014-07-15 19:43:12 Off the coast of Fukushima     10 3.51  
2014-07-16 05:11:24 Off the coast of Miyagi     10 3.51  
2014-07-16 17:24:51 Hamado-ri, Fukushima     10 4.43  
2014-07-17 08:16:19 Southern Miyagi     150 3.6Unkn 
2014-07-17 08:42:47 Off the coast of Fukushima     10 3.51  
2014-07-18 10:22:32 Off the coast of Sanriku     10 3.9Unkn 
2014-07-18 13:38:48 Off the coast of Fukushima     10 4.11  
2014-07-18 13:56:52 Off the coast of Sanriku     10 4.01  
2014-07-18 20:41:42 Off the coast of Tokachi     10 4.02  
2014-07-19 10:42:55 Southern Ibaraki     60 4.63  
2014-07-20 01:31:59 Off the coast of Fukushima     60 3.41  
2014-07-20 10:25:34 Northern Ibaraki     60 4.53  
2014-07-20 19:47:14 Northern Ibaraki     60 3.52  
2014-07-20 22:30:20 Off the coast of Shikoku     10 3.51  
2014-07-21 03:32:58 Off the southeast coast of Iturup     30 6.13  
2014-07-21 21:36:53 Off the coast of Fukushima     10 3.91  
2014-07-22 00:58:02 Southern Nagano     10 3.52  
2014-07-22 05:13:35 Off the coast of Akita     10 4.33  
2014-07-22 08:38:14 Off the east coast of Chiba     10 3.51  
2014-07-22 09:11:46 Northern Wakayama     10 3.83  
2014-07-23 14:25:03 Off the coast of Miyagi     50 3.52  
2014-07-23 14:32:34 Off the coast of Miyagi     10 3.51  
2014-07-24 07:56:46 Near the coast of Amami Oshima     10 3.81  
2014-07-24 15:23:02 Off the coast of Miyagi     10 3.51  
2014-07-24 17:56:43 Off the coast of Miyagi     70 3.52  
2014-07-25 01:51:15 Off the coast of Kushiro     20 3.51  
2014-07-25 13:17:46 Northern Sorachi     260 5.6Unkn 
2014-07-26 08:22:20 Off the southeast coast of Nemuro Peninsula     40 4.23  
2014-07-26 22:24:10 Off the coast of Miyagi     50 3.52  
2014-07-27 05:38:27 Off the coast of Fukushima     10 4.82  
2014-07-27 18:24:15 Off the coast of Iwate     50 4.42  
2014-07-28 10:29:11 Off the west coast of Ishikawa     400 4.1Unkn 
2014-07-28 23:36:11 Off the coast of Fukushima     10 3.81  
2014-07-29 00:05:48 Off the northwest coast of Amami Oshima     20 4.32  
2014-07-29 01:26:58 Off the northwest coast of Amami Oshima     10 3.51  
2014-07-29 01:48:14 Off the northwest coast of Amami Oshima     10 3.71  
2014-07-29 04:01:32 Off the coast of Fukushima     10 3.81  
2014-07-29 18:09:48 Off the coast of Miyagi     10 3.51  
2014-07-29 18:13:32 Off the coast of Iwate     50 3.72  
2014-07-30 05:05:15 Northwest Chiba     70 4.22  
2014-07-30 10:31:52 Off the northwest coast of Amami Oshima     30 3.51  
2014-07-30 23:57:06 Off the coast of Fukushima     50 4.43  
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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