M3.9

USGS earthquake · M3.9233 km ESE of Attu Station, Alaska

🇺🇸 - United States

· 11 days ago

Map centered on the earthquake at 233 km ESE of Attu Station, Alaska, with a marker at its epicenterOpen in Apple Maps ↗
Shaking intensity
  1. I
  2. II
  3. III

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

Depth10.0 km
Origin timeAug 26, 2026, 1:19 AM UTC
Coordinates51.976, 176.313
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.

View the USGS record ↗