Earthquake report · M 3.0

M3.0 earthquake 127 km WSW of Adak, Alaska

USGS · updated Oct 21, 2026, 22:12 UTC

A magnitude 3.0 earthquake was recorded on Oct 18, 2026, 9:43 PM (EDT) 127 km WSW of Adak, Alaska at a depth of 21 km, according to the U.S. Geological Survey (USGS). Data is preliminary and the magnitude may be revised.

Reported location · 51.32°, -178.25° ·

Read the official report ↗Map, updates and comments

Details

Source: usgs
Category: earthquake
Source status: active
Magnitude: 3.0
Depth (km): 21
Local time: Oct 18, 2026, 9:43 PM (EDT)
UTC time: 2026-10-19 01:43
Coordinates: 51.322, -178.247

Updates

M 3.0 - 127 km WSW of Adak, AlaskaOct 21, 2026, 22:12 UTC

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