M3.1

USGS earthquake · M3.1257 km SSW of Adak, Alaska

Name: M3.1 earthquake at 257 km SSW of Adak, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Sep 15, 2026, 1:27 AM UTC · 44 days ago

Map centered on the earthquake at 257 km SSW of Adak, Alaska, with a marker at its epicenter

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Depth20.0 km

Origin timeSep 15, 2026, 1:27 AM UTC

Coordinates49.931, -178.637

Tsunami flagNot reported

Magnitude scaleLocal 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 · M3.1257 km SSW of Adak, Alaska

U.S. Geological Survey

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