J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2019-04-01 21:17:32 Off the coast of Miyagi     50 3.62  
2019-04-03 00:39:05 Central Sea of Japan     420 3.6 
2019-04-03 05:29:10 Off the coast of Uraga     60 4.32  
2019-04-03 09:44:12 Iburi-East Central     30 3.52  
2019-04-03 15:56:44 Off the coast of Fukushima     70 3.82  
2019-04-04 12:04:31 Off the coast of Tokachi     80 3.62  
2019-04-05 02:44:13 Off the coast of Fukushima     10 41  
2019-04-05 07:11:27 Near the coast of Amami Oshima     10 3.81  
2019-04-05 17:23:11 Off the southeast coast of Chiba     80 4.42  
2019-04-05 18:56:24 Off the west coast of Ogasawara Islands     490 7 
2019-04-07 10:02:22 Off the coast of Miyagi     70 42  
2019-04-08 13:12:40 Near the coast of Okinawa     40 53  
2019-04-08 13:49:03 Near the coast of Okinawa     10 3.71  
2019-04-08 20:24:55 Near the coast of Okinawa     10 3.81  
2019-04-08 21:33:45 Off the coast of Fukushima     20 4.62  
2019-04-08 22:22:03 Off the coast of Uraga     70 42  
2019-04-09 13:30:45 Off the southeast coast of Nemuro Peninsula     50 3.21  
2019-04-09 17:55:19 Off the east coast of Aomori     10 4.12  
2019-04-09 21:53:24 Off the southeast coast of Nemuro Peninsula     10 3.51  
2019-04-10 04:19:17 Off the coast of Fukushima     20 4.43  
2019-04-11 17:18:18 Off the coast of Sanriku     10 5.93  
2019-04-12 01:03:13 Near the coast of Okinawa     10 3.71  
2019-04-12 02:52:42 Near the coast of Okinawa     40 5.12  
2019-04-12 03:50:28 Off the coast of Fukushima     70 3.42  
2019-04-12 04:53:43 Near the coast of Okinawa     10 5.13  
2019-04-12 15:26:00 Near the coast of Okinawa     10 4.22  
2019-04-13 07:06:17 Off the coast of Miyagi     50 3.82  
2019-04-13 12:23:03 Nagano-South     10 3.53  
2019-04-13 16:08:12 Near the coast of Okinawa     10 4.72  
2019-04-13 16:10:58 Near the coast of Okinawa     10 5.23  
2019-04-13 16:14:27 Near the coast of Okinawa     10 4.52  
2019-04-13 17:59:35 Near the coast of Okinawa     10 4.22  
2019-04-13 17:59:57 Off the coast of Iwate     40 3.51  
2019-04-14 00:07:01 Near the coast of Okinawa     10 4.62  
2019-04-18 06:07:52 Off the southeast coast of Nemuro Peninsula     10 4.12  
2019-04-18 13:41:08 Off the coast of Ibaraki     60 42  
2019-04-18 14:01:06 Near Taiwan     70 6.43  
2019-04-18 17:09:24 Enshu     360 3.9 
2019-04-18 18:27:07 Near the coast of Okinawa     10 4.52  
2019-04-18 19:14:58 Off the coast of Fukushima     30 3.61  
2019-04-19 07:16:40 Near the coast of Okinawa     10 3.81  
2019-04-19 13:14:55 Off the southeast coast of Nemuro Peninsula     10 42  
2019-04-19 14:16:29 Near the coast of Okinawa     10 3.51  
2019-04-19 14:43:54 Near the coast of Amami Oshima     10 3.71  
2019-04-19 16:05:57 Tomakomai Bay     130 4.12  
2019-04-19 22:38:19 Near the coast of Okinawa     10 3.61  
2019-04-20 13:09:06 Off the coast of Fukushima     80 3.31  
2019-04-20 13:42:20 Near the coast of Okinawa     10 3.61  
2019-04-21 04:09:45 Near the coast of Tokara Islands     50 4.22  
2019-04-21 13:02:42 Akita Southern Inland     160 3.7 
2019-04-22 01:21:39 Near the coast of Miyakojima     30 3.82  
2019-04-23 02:45:15 Off the coast of Sanriku     10 5.63  
2019-04-23 07:49:30 Off the east coast of Osumi Peninsula     20 3.51  
2019-04-25 02:19:12 Off the east coast of Chiba     10 3.83  
2019-04-25 21:00:01 Off the coast of Miyagi     70 4.33  
2019-04-26 23:51:17 Off the coast of Tokachi     90 3.52  
2019-04-27 06:35:56 Off the coast of Kushiro     50 3.62  
2019-04-27 09:57:27 Off the coast of Fukushima     40 4.52  
2019-04-27 11:59:11 Off the southeast coast of Nemuro Peninsula     10 3.71  
2019-04-27 20:32:01 Off the coast of Fukushima     20 4.62  
2019-04-28 00:30:23 Near the coast of Okinawa     70 4.42  
2019-04-28 02:24:45 Tokachi-South     120 5.84  
2019-04-28 05:02:58 Near the coast of Okinawa     10 3.51  
2019-04-29 07:26:22 Off the coast of Fukushima     10 3.51  
2019-04-29 14:23:59 Enshu     330 3.9 
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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