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USGSSeptember 20, 2026

M2.5 earthquake, 25 km S of Port Graham, Alaska

A magnitude 2.5 earthquake was recorded 25 km S of Port Graham, Alaska at a depth of 55 km, according to the U.S. Geological Survey. It was the 9,209th 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.

M2.5

The notice

Issued by
U.S. Geological Survey
Area
25 km S of Port Graham, Alaska
State
Alaska
Magnitude
2.5 (local magnitude)
Depth
54.8 km
Time
2026-09-20 06:59:28 UTC
Status
automatic solution (may be revised)
Epicentre
59.125, -151.896
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.