Alaska earthquakes

M2.7 earthquake 227 km W of Adak, Alaska

A magnitude 2.7 earthquake struck 227 km W of Adak, Alaska on Tue, Oct 11, 2022, 2:24 AM HADT (11:24 UTC), 77 km (48 mi) below the surface.

A larger quake followed: M4.7 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Tue, Oct 11, 2022, 2:24 AM HADT
UTC: 2022-10-11 11:24:16 UTC
Depth: 77.1 km (47.9 mi), intermediate-depth
Epicenter: 51.676° N, 179.909° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.3 km horizontally, 5.3 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 139°
Stations used: 25

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000im30 (also filed as ak022d1vbiup). Read Wed, Sep 30, 2026, 3:57 AM UTC.