M4.5

USGS earthquake · M4.5158 km S of False Pass, Alaska

Name: M4.5 earthquake at 158 km S of False Pass, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Oct 21, 2026, 12:03 PM UTC · 3 hours ago

Map centered on the earthquake at 158 km S of False Pass, Alaska, with a marker at its epicenter

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Depth20.5 km

Origin timeOct 21, 2026, 12:03 PM UTC

Coordinates53.426, -163.461

Tsunami flagNot reported

Magnitude scaleMoment magnitude

SolutionReviewed by a seismologist

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details.

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USGS earthquake · M4.5158 km S of False Pass, Alaska

U.S. Geological Survey

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