Earthquake report · M 3.1

M3.1 earthquake 173 km SE of Nikolski, Alaska

USGS · updated Oct 21, 2026, 03:41 UTC

A magnitude 3.1 earthquake was recorded on Oct 16, 2026, 10:59 AM (EDT) 173 km SE of Nikolski, Alaska at a depth of 5 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 51.92°, -166.93° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.1
Depth (km): 5
Local time: Oct 16, 2026, 10:59 AM (EDT)
UTC time: 2026-10-16 14:59
Coordinates: 51.923, -166.932

Updates

M 3.1 - 173 km SE of Nikolski, AlaskaOct 21, 2026, 03:41 UTC

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Saved source report · captured Oct 22, 2026, 03:03 UTC. Follow the issuing authority’s current instructions.