J1 Earthquake Early Warning
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Quake Time Epicenter Latitude Longitude Depth Mag Intensity Remarks
21:19:00 JST 13 Jan 2025 Hyuganada 30 6.9 31.8 N 131.6 E5 lower Tsunami alert issued
02:12:00 JST 15 Jan 2025 Hyuganada 30 5.4 31.7 N 131.9 E4 No tsunami alerts
02:49:00 JST 23 Jan 2025 Fukushima-Aizu 10 5.0 37.0 N 139.4 E5 lower No tsunami alerts
08:09:00 JST 23 Jan 2025 Fukushima-Aizu 0 4.6 37.0 N 139.4 E4 No tsunami alerts
22:01:00 JST 21 Feb 2025 Off the coast of Fukushima 50 5.0 37.5 N 141.5 E4 No tsunami alerts
03:54:00 JST 09 Mar 2025 Near the coast of Amami Oshima 60 5.8 28.7 N 130.2 E4 No tsunami alerts
05:00:00 JST 18 Mar 2025 Kumamoto-Amakusa/Ashikita 0 4.8 32.5 N 130.5 E4
13:25:00 JST 19 Mar 2025 Of the coast of Noto Peninsula 10 4.7 37.1 N 136.6 E4 No tsunami alerts
23:03:00 JST 02 Apr 2025 Off the east coast of Osumi Peninsula 40 6.0 31.0 N 131.5 E4 No tsunami alerts
04:15:00 JST 05 Apr 2025 Tsugaru Strait 10 4.1 41.3 N 140.2 E4 No tsunami alerts
20:19:00 JST 18 Apr 2025 Nagano-North 10 5.0 36.5 N 137.9 E5 lower
23:39:00 JST 18 Apr 2025 Nagano-North 10 4.4 36.5 N 137.9 E4 No tsunami alerts
01:02:00 JST 19 Apr 2025 Nagano-North 10 4.1 36.5 N 137.9 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
2022 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
2023 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
2024 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
2025 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

Information provided by the Japan Meteorological Agency.
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