Earthquake report · M 4.0

M4.0 earthquake 195 km SE of Akutan, Alaska

USGS · updated Oct 21, 2026, 16:24 UTC

A magnitude 4.0 earthquake was recorded on Oct 21, 2026, 6:46 AM (EDT) 195 km SE of Akutan, Alaska at a depth of 28 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 53.05°, -163.45° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 4.0
Depth (km): 28
Local time: Oct 21, 2026, 6:46 AM (EDT)
UTC time: 2026-10-21 10:46
Coordinates: 53.050, -163.452

Updates

M 4.0 - 195 km SE of Akutan, AlaskaOct 21, 2026, 16:24 UTC

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