J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2013-01-22 04:46:52 Off the east coast of Chiba     10km 5.34  
2013-01-24 06:34:39 Off the southeast coast of Nemuro Peninsula     10km 5.74  
2013-01-28 03:41:48 Northern Ibaraki     80km 5.54  
2013-01-28 05:57:35 Near the coast of Okinawa Island     40km 5.34  
2013-01-31 23:53:41 Northern Ibaraki     10km 4.74  
2013-02-09 13:43:01 Off the coast of Ibaraki     10km 5.64  
2013-02-15 18:18:52 Southern Nagano     10km 4.64  
2013-02-19 21:27:20 Off the east coast of Kanto     10km 6.04  
2013-02-25 16:23:55 Northern Gunma     10km 6.35 Upper  
2013-03-06 05:32:49 Near the coast of Okinawa Island     10km 5.34  
2013-03-31 16:46:24 Off the coast of Iwate     10km 5.64  
2013-04-02 03:53:16 Off the coast of Sanriku     30km 6.74  
2013-04-04 01:58:14 Noto, Ishikawa     10km 4.44  
2013-04-04 13:42:34 Off the coast of Ibaraki     10km 5.44  
2013-04-13 05:33:18 Harimanada     10km 6.76 Lower  
2013-04-14 22:25:05 Off the coast of Fukushima     10km 5.54  
2013-04-17 10:15:13     10km 4.74  
2013-04-17 11:16:13     10km 5.14  
2013-04-17 17:57:29 Near the coast of Izuoshima     10km 5.85 Lower  
2013-04-17 21:03:38 Central Miyagi     10km 6.05 Lower  
2013-04-29 22:01:42 Off the coast of Ibaraki     10km 5.54  
2013-05-13 22:59:25 Nakado-ri, Fukushima     10km 4.34  
2013-05-18 14:47:57 Off the coast of Fukushima     80km 6.14  
2013-05-26 06:17:02 Near the coast of Miyakojima     10km 5.24  
2013-07-10 14:22:15 39.6 North - 141.6 East     80 5.24  
2013-07-17 12:07:51 Near Awaji island     10 4.04  
2013-07-23 12:02:11 Hamado-ri, Fukushima     10 5.14  
2013-08-04 12:28:50 Off the coast of Miyagi     40 6.24  
2013-08-14 09:45:29 Off the coast of Ibaraki     10 4.64  
2013-08-14 14:31:26 Northern Ibaraki     10 4.34  
2013-08-19 11:22:40 Northern Ibaraki     10 4.44  
2013-08-30 17:32:24 Off the south coast of Wakayama     10 4.54  
2013-11-03 14:25:15 Southern Ibaraki     60 5.14  
2013-11-10 07:37:51 Southern Ibaraki     60 5.84  
2013-11-16 20:44:42 35.6 North - 140.2 East     60 5.84  
2013-12-21 01:10:46 Southern Ibaraki     60 5.64  
2013-12-21 10:34:15 Northeast Chiba     30 5.44  
2013-12-31 10:02:59 Northern Ibaraki     10 5.35 Lower  
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