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USGSSeptember 21, 2026

M2.6 earthquake, 76 km NE of Adak, Alaska

A magnitude 2.6 earthquake was recorded 76 km NE of Adak, Alaska at a depth of 172 km, according to the U.S. Geological Survey. It was the 9,233rd 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.

M2.6

The notice

Issued by
U.S. Geological Survey
Area
76 km NE of Adak, Alaska
State
Alaska
Magnitude
2.6 (local magnitude)
Depth
172.1 km
Time
2026-09-21 02:05:31 UTC
Status
reviewed by a seismologist
Epicentre
52.281, -175.740
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.