Alaska earthquakes

M2.9 earthquake 222 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 222 km SE of Chiniak, Alaska on Mon, Dec 30, 2019, 4:52 AM AKST (13:52 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.1 270 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, Dec 30, 2019, 4:52 AM AKST
UTC: 2019-12-30 13:52:26 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.999° N, 150.118° 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 5.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 213°, poorly surrounded by stations
Stations used: 39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 26 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006wez (also filed as ak019gq7ocs3). Read Tue, Sep 29, 2026, 5:48 PM UTC.