Alaska earthquakes

M2.9 earthquake 206 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 206 km SE of Chiniak, Alaska on Mon, Nov 16, 2020, 11:44 PM AKST (08:44 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: 2.9 (ml), micro
Local time: Mon, Nov 16, 2020, 11:44 PM AKST
UTC: 2020-11-17 08:44:48 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.153° N, 150.190° 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 7.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: Operator assigned
Station coverage gap: 203°, poorly surrounded by stations
Stations used: 26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cmwz (also filed as ak020eso2rep). Read Wed, Sep 30, 2026, 11:36 AM UTC.