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USGSSeptember 22, 2026

M2.8 earthquake, 42 km NW of Atka, Alaska

A magnitude 2.8 earthquake was recorded 42 km NW of Atka, Alaska at a depth of 224 km, according to the U.S. Geological Survey. It was the 9,276th 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
42 km NW of Atka, Alaska
State
Alaska
Magnitude
2.8 (local magnitude)
Depth
223.5 km
Time
2026-09-22 08:32:53 UTC
Status
reviewed by a seismologist
Epicentre
52.456, -174.660
Official source
U.S. Geological Survey: the notice at its source

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.