Alaska earthquakes

M3.2 earthquake 230 km W of Adak, Alaska

A magnitude 3.2 earthquake struck 230 km W of Adak, Alaska on Sat, Oct 15, 2022, 12:01 AM HADT (09:01 UTC), 166 km (103 mi) below the surface.

A larger quake followed: M4.6 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: 3.2 (ml), minor
Local time: Sat, Oct 15, 2022, 12:01 AM HADT
UTC: 2022-10-15 09:01:48 UTC
Depth: 165.8 km (103.0 mi), intermediate-depth
Epicenter: 51.989° N, 179.977° 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 10.1 km horizontally, 7.1 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 180°
Stations used: 20

Nearby

Within 100 km, magnitude 1.5 and up: 63 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 63.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000imrr (also filed as ak022d8g565b). Read Wed, Sep 30, 2026, 3:30 AM UTC.