M3.5

USGS earthquake · M3.573 km SSW of Atka, Alaska

Name: M3.5 earthquake at 73 km SSW of Atka, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 27, 2026, 10:09 PM UTC · 28 days ago

Map centered on the earthquake at 73 km SSW of Atka, Alaska, with a marker at its epicenter

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Shaking intensity

Strongest contour: Light (IV). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth10.0 km

Origin timeSep 27, 2026, 10:09 PM UTC

Coordinates51.578, -174.561

Tsunami flagNot reported

Estimated shakingWeak (II)Modelled by USGS ShakeMap

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. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

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USGS earthquake · M3.573 km SSW of Atka, Alaska

U.S. Geological Survey

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