Earthquake report · M 3.4

M3.4 earthquake 217 km SSE of Atka, Alaska

USGS · updated Oct 18, 2026, 04:33 UTC

A magnitude 3.4 earthquake was recorded on Oct 17, 2026, 4:11 AM (EDT) 217 km SSE of Atka, Alaska at a depth of 10 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 50.34°, -173.21° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.4
Depth (km): 10
Local time: Oct 17, 2026, 4:11 AM (EDT)
UTC time: 2026-10-17 08:11
Coordinates: 50.337, -173.215

Updates

M 3.4 - 217 km SSE of Atka, AlaskaOct 18, 2026, 04:33 UTC

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