Earthquake report · M 4.2

M4.2 earthquake 167 km S of Adak, Alaska

USGS · updated Oct 10, 2026, 22:36 UTC

A magnitude 4.2 earthquake was recorded on Oct 10, 2026, 8:30 AM (EDT) 167 km S of Adak, 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 · 50.38°, -176.34° ·

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Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 4.2
Depth (km): 10
Local time: Oct 10, 2026, 8:30 AM (EDT)
UTC time: 2026-10-10 12:30
Coordinates: 50.376, -176.339

Updates

M 4.2 - 167 km S of Adak, AlaskaOct 10, 2026, 22:36 UTC

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Saved source report · captured Oct 16, 2026, 18:20 UTC. Follow the issuing authority’s current instructions.