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USGSOctober 21, 2026

M2.8 earthquake, 12 km SW of Ugashik, Alaska

A magnitude 2.8 earthquake was recorded 12 km SW of Ugashik, Alaska at a depth of 111 km, according to the U.S. Geological Survey. It was the 10,173rd earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.

M2.8

The notice

Issued by
U.S. Geological Survey
Area
12 km SW of Ugashik, Alaska
State
Alaska
Magnitude
2.8 (local magnitude)
Depth
111.2 km
Time
2026-10-21 12:05:08 UTC
Status
automatic solution (may be revised)
Epicentre
57.441, -157.552
Official source
U.S. Geological Survey: the notice at its source

Warnings and earthquakes in AlaskaEarthquakes, October 2026

Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The record around this notice