Alaska earthquakes

M3.7 earthquake 80 km SE of Akutan, Alaska

A magnitude 3.7 earthquake struck 80 km SE of Akutan, Alaska on Sun, Nov 1, 2020, 1:01 AM AKST (10:01 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.4 84 km SE of Akutan, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.7 (mb), minor
Local time
UTC
2020-11-01 10:01:56 UTC
Depth
45.5 km (28.3 mi), shallow
Epicenter
53.536° N, 165.085° 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 5.7 km horizontally, 18.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
76

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 40 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 us7000ce20 (also filed as ak020e28evfq). Read Wed, Sep 30, 2026, 8:09 AM UTC.