M3.8

USGS earthquake · M3.841 km NNE of Petersville, Alaska

Name: M3.8 earthquake at 41 km NNE of Petersville, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Oct 17, 2026, 8:16 AM UTC · 4 hours ago

Map centered on the earthquake at 41 km NNE of Petersville, Alaska, with a marker at its epicenter

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Shaking intensity

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

Depth93.2 km

Origin timeOct 17, 2026, 8:16 AM UTC

Coordinates62.849, -150.506

Tsunami flagNot reported

Estimated shakingWeak (II)Modelled by USGS ShakeMap

Reported shakingWeak (III)From 2 public reports

Magnitude scaleLocal magnitude

SolutionAutomatic, may be revised

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 · M3.841 km NNE of Petersville, Alaska

U.S. Geological Survey

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