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 forecastMore 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
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.

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 todayAlaska earthquakesLive 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.