J1 Earthquake Early Warning
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Message Update Time Quake Time Coordinates Epicenter Depth Mag Intensity Location
12024-07-20 20:16:022024-07-20 20:15:5436.8-NL 141.6-ELOff the coast of Fukushima104.42 Sea
32024-07-20 20:16:032024-07-20 20:15:5236.7-NL 141.6-ELOff the coast of Ibaraki304.52 Sea
72024-07-20 20:16:072024-07-20 20:15:5136.7-NL 141.6-ELOff the coast of Ibaraki304.42 Sea
92024-07-20 20:16:102024-07-20 20:15:5136.8-NL 141.6-ELOff the coast of Fukushima404.42 Sea
102024-07-20 20:16:112024-07-20 20:15:5136.8-NL 141.6-ELOff the coast of Fukushima404.42 Sea
112024-07-20 20:16:272024-07-20 20:15:5136.7-NL 141.5-ELOff the coast of Ibaraki504.73 Sea
122024-07-20 20:16:472024-07-20 20:15:5136.7-NL 141.5-ELOff the coast of Ibaraki504.73 Sea
13 (final)2024-07-20 20:16:582024-07-20 20:15:5136.7-NL 141.5-ELOff the coast of Ibaraki504.73 Sea
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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