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USGSSeptember 16, 2026

M3.9 earthquake, 167 km WSW of Nikolski, Alaska

A magnitude 3.9 earthquake was recorded 167 km WSW of Nikolski, Alaska at a depth of 91 km, according to the U.S. Geological Survey. It was the 9,069th 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.

M3.9

The notice

Issued by
U.S. Geological Survey
Area
167 km WSW of Nikolski, Alaska
State
Alaska
Magnitude
3.9 (local magnitude)
Depth
90.5 km
Time
2026-09-16 08:28:51 UTC
Status
reviewed by a seismologist
Epicentre
52.374, -171.157
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.