Alaska earthquakes

M3.2 earthquake 68 km SW of Unalaska, Alaska

A magnitude 3.2 earthquake struck 68 km SW of Unalaska, Alaska on Mon, Nov 2, 2020, 1:43 AM AKST (10:43 UTC), 76 km (48 mi) below the surface.

A larger quake followed: M4.8 37 km E of Nikolski, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

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: Mon, Nov 2, 2020, 1:43 AM AKST
UTC: 2020-11-02 10:43:50 UTC
Depth: 76.5 km (47.5 mi), intermediate-depth
Epicenter: 53.427° N, 167.237° 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 12.7 km horizontally, 20.6 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 188°, poorly surrounded by stations
Stations used: 26

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Unalaska, AlaskaPopulation 4,491. Forecast68 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 129 in the 60 days after this one and 30 in the 30 days before it.

After

The first 60 of 129.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cq5y (also filed as ak020e3w77di). Read Mon, Sep 28, 2026, 9:14 AM UTC.