M3.8

USGS earthquake · M3.8234 km ESE of Attu Station, Alaska

Name: M3.8 earthquake at 234 km ESE of Attu Station, Alaska
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Aug 22, 2026, 9:04 PM UTC · 15 days ago

Map centered on the earthquake at 234 km ESE of Attu Station, Alaska, with a marker at its epicenter

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Shaking intensity

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

Depth13.6 km

Origin timeAug 22, 2026, 9:04 PM UTC

Coordinates52.026, 176.361

Tsunami flagNot reported

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 · M3.8234 km ESE of Attu Station, Alaska

U.S. Geological Survey

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