Earthquake report · M 3.1

M3.1 earthquake 68 km E of Atka, Alaska

USGS · updated Oct 21, 2026, 16:34 UTC

A magnitude 3.1 earthquake was recorded on Oct 20, 2026, 4:51 AM (EDT) 68 km E of Atka, Alaska at a depth of 0 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 52.14°, -173.20° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.1
Depth (km): 0
Local time: Oct 20, 2026, 4:51 AM (EDT)
UTC time: 2026-10-20 08:51
Coordinates: 52.139, -173.204

Updates

M 3.1 - 68 km E of Atka, AlaskaOct 21, 2026, 16:34 UTC

All recent earthquakes in United States →

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