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USGSSeptember 11, 2026

M4.5 earthquake, 89 km S of False Pass, Alaska

A magnitude 4.5 earthquake was recorded 89 km S of False Pass, Alaska at a depth of 50 km, according to the U.S. Geological Survey. It was the 8,895th 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.

M4.5

The notice

Issued by
U.S. Geological Survey
Area
89 km S of False Pass, Alaska
State
Alaska
Magnitude
4.5 (body-wave magnitude)
Depth
50.3 km
Time
2026-09-11 07:31:46 UTC
Status
reviewed by a seismologist
Epicentre
54.061, -163.155
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.