Alaska earthquakes

M2.5 earthquake 203 km ESE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 203 km ESE of Chiniak, Alaska on Fri, Dec 11, 2020, 3:24 PM AKST (00:24 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.3 234 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: 2.5 (ml), micro
Local time: Fri, Dec 11, 2020, 3:24 PM AKST
UTC: 2020-12-12 00:24:07 UTC
Depth: 11.9 km (7.4 mi), shallow
Epicenter: 56.773° N, 149.298° 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.

Stations used: 17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 15 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020fxvml4j (also filed as us7000csib). Read Mon, Sep 28, 2026, 8:10 AM UTC.