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USGSSeptember 28, 2026

M3.3 earthquake, 97 km SSW of Atka, Alaska

A magnitude 3.3 earthquake was recorded 97 km SSW of Atka, Alaska at a depth of 7 km, according to the U.S. Geological Survey. It was the 9,418th 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.

M3.3

The notice

Issued by
U.S. Geological Survey
Area
97 km SSW of Atka, Alaska
State
Alaska
Magnitude
3.3 (local magnitude)
Depth
6.8 km
Time
2026-09-28 11:13:35 UTC
Status
reviewed by a seismologist
Epicentre
51.442, -174.908
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.