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USGSSeptember 23, 2026

M3.1 earthquake, 236 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake was recorded 236 km SE of Chiniak, Alaska at a depth of 10 km, according to the U.S. Geological Survey. It was the 9,310th 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
236 km SE of Chiniak, Alaska
State
Alaska
Magnitude
3.1 (local magnitude)
Depth
10.0 km
Time
2026-09-23 12:19:12 UTC
Status
reviewed by a seismologist
Epicentre
56.356, -149.142
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.