J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
09:22:00 JST 14 Mar 2021 Gifu-Hida 10 4.4 32.7 N 130.7 E4 No tsunami alerts
00:25:00 JST 15 Mar 2021 Northern Wakayama 10 4.6 34.0 N 135.2 E5 lower No tsunami alerts
04:56:00 JST 16 Mar 2021 Ibaraki-South 50 4.8 36.2 N 139.8 E4 No tsunami alerts
17:28:00 JST 17 Mar 2021 Off the coast of Fukushima 60 5.3 37.7 N 141.7 E4 No tsunami alerts
18:09:00 JST 20 Mar 2021 Off the coast of Miyagi 60 7.2 38.4 N 141.7 E5 upper Tsunami alert issued
07:07:00 JST 10 Apr 2021 Near the coast of Tokara Islands 20 5.2 29.3 N 129.5 E4 No tsunami alerts
16:36:00 JST 10 Apr 2021 Near the coast of Tokara Islands 20 5.0 29.3 N 129.2 E4 No tsunami alerts
05:40:00 JST 11 Apr 2021 Near the coast of Tokara Islands 20 4.5 29.3 N 129.4 E4 No tsunami alerts
21:00:00 JST 11 Apr 2021 Near the coast of Tokara Islands 20 4.4 29.3 N 129.3 E4 No tsunami alerts
23:01:00 JST 12 Apr 2021 Near the coast of Tokara Islands 20 5.2 29.3 N 129.2 E4 No tsunami alerts
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