Alaska earthquakes

M2.8 earthquake 219 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 219 km SE of Chiniak, Alaska on Thu, Dec 19, 2019, 12:36 PM AKST (21:36 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: 2.8 (ml), micro
Local time: Thu, Dec 19, 2019, 12:36 PM AKST
UTC: 2019-12-19 21:36:27 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.452° N, 149.348° 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 6.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 202°, poorly surrounded by stations
Stations used: 47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 27 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006ppj (also filed as ak019g85flfe). Read Thu, Sep 24, 2026, 3:03 PM UTC.