J1 Earthquake Early Warning
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Quake Time Epicenter     Depth Magnitude Intensity Remarks
2018-01-05 11:03:41 Off the coast of Ibaraki     30 5.95 Lower  
2018-01-24 19:52:28 Off the east coast of Aomori     10 6.04  
2018-02-19 03:32:27 Bungo channel     40 4.84  
2018-03-01 22:43:21 Near Iriomotejima     20 6.05 Lower  
2018-03-23 06:33:18 Off the coast of Miyagi     40 5.34  
2018-04-12 22:38:38 Off the coast of Miyagi     60 5.14  
2018-04-14 15:14:14 Aichi-West     10 4.14  
2018-05-06 21:13:56     10 4.04  
2018-05-07 05:01:47 Iwate Northern Inland     100 5.24  
2018-05-17 12:13:26 Chiba-Northeastern     40 5.24  
2018-05-18 03:43:22 Off the coast of Kushiro     50 6.04  
2018-05-25 21:14:36 Chuetsu, Niigata     10 5.04  
2018-06-17 15:28:17 Gunma-South     10 4.65 Lower  
2018-06-19 00:32:22 Osaka-North     10 4.34  
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