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USGSSeptember 21, 2026

M2.9 earthquake, 193 km S of Atka, Alaska

A magnitude 2.9 earthquake was recorded 193 km S of Atka, Alaska at a depth of 19 km, according to the U.S. Geological Survey. It was the 9,255th 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.

M2.9

The notice

Issued by
U.S. Geological Survey
Area
193 km S of Atka, Alaska
State
Alaska
Magnitude
2.9 (local magnitude)
Depth
19.2 km
Time
2026-09-21 16:33:04 UTC
Status
reviewed by a seismologist
Epicentre
50.462, -174.035
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.