Alaska earthquakes

M3.2 earthquake 251 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 251 km SE of Chiniak, Alaska on Fri, Nov 13, 2020, 10:56 AM AKST (19:56 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.5 245 km SE of Chiniak, 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: 3.2 (ml), minor
Local time: Fri, Nov 13, 2020, 10:56 AM AKST
UTC: 2020-11-13 19:56:52 UTC
Depth: 19.7 km (12.3 mi), shallow
Epicenter: 56.364° N, 148.840° 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 8.2 km horizontally, 7.4 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 200°, poorly surrounded by stations
Stations used: 91

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 15 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cn7s (also filed as ak020em8jq1g). Read Sun, Sep 27, 2026, 10:02 PM UTC.