Earthquake report · M 3.1

M3.1 earthquake 177 km W of Nikolski, Alaska

USGS · updated Oct 21, 2026, 23:04 UTC

A magnitude 3.1 earthquake was recorded on Oct 20, 2026, 7:35 PM (EDT) 177 km W of Nikolski, Alaska at a depth of 11 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 53.15°, -171.49° ·

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Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.1
Depth (km): 11
Local time: Oct 20, 2026, 7:35 PM (EDT)
UTC time: 2026-10-20 23:35
Coordinates: 53.148, -171.492

Updates

M 3.1 - 177 km W of Nikolski, AlaskaOct 21, 2026, 23:04 UTC

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Saved source report · captured Oct 26, 2026, 16:09 UTC. Follow the issuing authority’s current instructions.