Alaska earthquakes

M2.8 earthquake 231 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 231 km W of Adak, Alaska on Thu, Nov 3, 2022, 5:39 PM HADT (02:39 UTC), 170 km (105 mi) below the surface.

A larger quake followed: M4.6 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Thu, Nov 3, 2022, 5:39 PM HADT
UTC: 2022-11-04 02:39:43 UTC
Depth: 169.7 km (105.4 mi), intermediate-depth
Epicenter: 52.163° N, 179.978° 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 8.5 km horizontally, 6.8 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 192°, poorly surrounded by stations
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 28 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000iris (also filed as ak022e5ey7lk). Read Wed, Sep 30, 2026, 1:50 AM UTC.