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USGSSeptember 8, 2026

M3.0 earthquake, 240 km WSW of Adak, Alaska

A magnitude 3.0 earthquake was recorded 240 km WSW of Adak, Alaska at a depth of 18 km, according to the U.S. Geological Survey. It was the 8,778th 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.

M3.0

The notice

Issued by
U.S. Geological Survey
Area
240 km WSW of Adak, Alaska
State
Alaska
Magnitude
3.0 (local magnitude)
Depth
18.1 km
Time
2026-09-08 10:07:39 UTC
Status
reviewed by a seismologist
Epicentre
51.224, -179.934
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.