J1 Earthquake Early Warning
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Message Update Time Quake Time Coordinates Epicenter Depth Mag Intensity Location
12025-05-14 01:54:102025-05-14 01:52:4427.5-NL 139.6-ELOff the west coast of Ogasawara Islands3205.7UnknSea
22025-05-14 01:54:112025-05-14 01:52:3727.3-NL 140.1-ELOff the west coast of Ogasawara Islands4305.8UnknSea
32025-05-14 01:54:122025-05-14 01:52:3727.5-NL 140.7-ELOff the west coast of Ogasawara Islands4605.8UnknSea
42025-05-14 01:54:202025-05-14 01:52:4227.8-NL 141.0-ELNear the coast of Chichijima4105.7UnknSea
52025-05-14 01:54:212025-05-14 01:52:4527.9-NL 141.0-ELNear the coast of Chichijima3605.6UnknSea
62025-05-14 01:54:242025-05-14 01:52:4327.9-NL 141.3-ELNear the coast of Chichijima4005.7UnknSea
82025-05-14 01:54:252025-05-14 01:52:3027.1-NL 140.1-ELOff the west coast of Ogasawara Islands5106.2UnknSea
92025-05-14 01:54:262025-05-14 01:52:3027.1-NL 140.1-ELOff the west coast of Ogasawara Islands5106.3UnknSea
102025-05-14 01:54:312025-05-14 01:52:3627.5-NL 140.2-ELOff the west coast of Ogasawara Islands4506.2UnknSea
112025-05-14 01:54:512025-05-14 01:52:3727.5-NL 140.3-ELOff the west coast of Ogasawara Islands4406.2UnknSea
12 (final)2025-05-14 01:54:592025-05-14 01:52:3727.5-NL 140.3-ELOff the west coast of Ogasawara Islands4406.2UnknSea
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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