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USGSSeptember 12, 2026

M3.1 earthquake, 118 km ESE of Atka, Alaska

A magnitude 3.1 earthquake was recorded 118 km ESE of Atka, Alaska at a depth of 11 km, according to the U.S. Geological Survey. It was the 8,948th 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.

M3.1

The notice

Issued by
U.S. Geological Survey
Area
118 km ESE of Atka, Alaska
State
Alaska
Magnitude
3.1 (local magnitude)
Depth
10.9 km
Time
2026-09-12 07:22:53 UTC
Status
reviewed by a seismologist
Epicentre
51.826, -172.584
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.