Alaska earthquakes

M2.7 earthquake 258 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 258 km SE of Chiniak, Alaska on Fri, Nov 27, 2020, 5:53 AM AKST (14:53 UTC), 10 km (6 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: 2.7 (ml), micro
Local time: Fri, Nov 27, 2020, 5:53 AM AKST
UTC: 2020-11-27 14:53:38 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.260° N, 148.818° 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 10.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 255°, poorly surrounded by stations
Stations used: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 9 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cnxi (also filed as ak020f9b2qnb). Read Tue, Sep 29, 2026, 7:34 AM UTC.