J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2011-11-01 05:59:43 Off the coast of Kushiro     40km 5.03  
2011-11-01 05:59:43 Off the coast of Kushiro     40km 5.03  
2011-11-03 19:34:33 Southern Ibaraki     10km 4.44  
2011-11-04 11:59:14 Off the coast of Ibaraki     30km 4.83  
2011-11-05 00:45:10 Northern Ibaraki     10km 4.03  
2011-11-07 00:03:30 Southern Miyagi     10km 4.43  
2011-11-07 23:41:59 Northern Tochigi     10km 4.84  
2011-11-08 10:37:26 Near the coast of Okinawa Island     50km 4.63  
2011-11-08 11:59:15 East China Sea     10km 7.14  
2011-11-09 14:24:36 Off the coast of Ibaraki     40km 4.83  
2011-11-10 07:43:11 Southern inland of Akita     10km 3.43  
2011-11-10 09:03:54 Off the coast of Fukushima     10km 5.13  
2011-11-10 18:55:57 West Aichi     40km 4.13  
2011-11-11 20:34:38 Near the coast of Tokara Islands     10km 4.93  
2011-11-13 18:05:15 Off the coast of Fukushima     60km 4.93  
2011-11-14 04:40:36 Southern, Chiba     70km 4.43  
2011-11-14 15:52:54 Off the coast of Shimane     10km 4.74  
2011-11-17 17:34:31 Off the coast of Miyagi     50km 5.13  
2011-11-17 18:43:04 Off the coast of Ibaraki     20km 4.93  
2011-11-18 03:57:56 Reihoku, Fukui     10km 3.83  
2011-11-18 03:57:56 Reihoku, Fukui     10km 3.83  
2011-11-18 23:41:15 Off the east coast of Chiba     10km 5.23  
2011-11-19 22:06:14 Off the coast of Iwate     40km 4.73  
2011-11-20 02:36:54 Off the coast of Fukushima     20km 4.93  
2011-11-20 04:27:36 Off the east coast of Chiba     10km 5.03  
2011-11-20 10:23:39 Northern Ibaraki     10km 5.44  
2011-11-20 10:25:59 Northern Ibaraki     10km 3.93  
2011-11-20 11:13:21 Off the coast of Iwate     50km 4.53  
2011-11-21 19:16:31 Northern Hiroshima     10km 4.13  
2011-11-23 12:37:48 Off the coast of Fukushima     10km 5.03  
2011-11-23 14:33:34 Off the east coast of Chiba     10km 3.53  
2011-11-24 19:25:28 Off the east coast of Aomori     40km 6.34  
2011-11-25 04:35:27 Northern Hiroshima     10km 5.04  
2011-11-25 04:52:26 Northern Hiroshima     10km 4.43  
2011-11-26 09:05:46 Near Sado     10km 4.43  
2011-11-26 10:43:20 Off the coast of Miyagi     40km 4.73  
2011-11-26 20:09:25 Off the coast of Fukushima     60km 4.63  
2011-11-28 23:33:14 Northern Ibaraki     50km 4.53  
2011-11-29 03:53:31 Off the coast of Miyagi     50km 4.73  
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