Alaska earthquakes

M4.4 earthquake 84 km SE of Akutan, Alaska

A magnitude 4.4 earthquake struck 84 km SE of Akutan, Alaska on Wed, Nov 4, 2020, 3:23 AM AKST (12:23 UTC), 35 km (22 mi) below the surface.

Akutan 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: 4.4 (mwr), light
Local time: Wed, Nov 4, 2020, 3:23 AM AKST
UTC: 2020-11-04 12:23:45 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.584° N, 164.880° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique normal
Moment magnitude: 4.4 Mwr
Nodal plane 1: Strike 112°, dip 59°, rake -40°
Nodal plane 2: Strike 225°, dip 57°, rake -142°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.0 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 133°
Stations used: 461

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast85 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 107.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000caa9 (also filed as ak020e78cgwq). Read Mon, Sep 28, 2026, 6:50 AM UTC.