M4.0

USGS earthquake · M4.0231 km ESE of Attu Station, Alaska

🇺🇸 - United States

· 15 days ago

Map centered on the earthquake at 231 km ESE of Attu Station, Alaska, with a marker at its epicenterEareckson StationOpen in Apple Maps ↗
Shaking intensity
  1. I
  2. II
  3. III
  4. IV

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

Depth5.4 km
Origin timeAug 22, 2026, 7:19 PM UTC
Coordinates52.081, 176.355
Tsunami flagNot reported
Who felt it

Nearby places

Nearby towns and the shaking modelled for each
PlacePopulationShaking
Eareckson Station202I

Past earthquakes here. There were no earthquakes with significant population exposure to shaking within a 400 km radius of this event.

Local buildings. There are likely to be no affected structures in this region.

Places listed by USGS. Distances are to the epicentre.

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 ↗