J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-03-06 05:32:49 Near the coast of Okinawa Island     10km 5.34  
2013-03-08 07:19:48 23 wards, Tokyo     30km 4.43  
2013-03-08 19:53:17 Southern Saitama     60km 4.43  
2013-03-09 21:16:33 Southcentral Kushiro Subprefecture     100km 4.83  
2013-03-10 05:11:31 Off the coast of Kushiro     50km 4.83  
2013-03-11 18:34:48 Off the east coast of Osumi Peninsula     10km 5.23  
2013-03-13 06:32:24 Off the coast of Iwate     50km 5.03  
2013-03-14 05:02:57 Northwest Chiba     60km 4.73  
2013-03-18 06:53:38 Northern Ibaraki     60km 4.63  
2013-03-21 14:34:33 Northern Ibaraki     80km 4.83  
2013-03-26 20:48:10 Off the east coast of Chiba     10km 4.73  
2013-03-26 20:55:14 Off the coast of Ibaraki     10km 4.63  
2013-03-29 00:48:28 Off the east coast of Chiba     10km 4.43  
2013-03-31 16:46:24 Off the coast of Iwate     10km 5.64  
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