Alaska earthquakes

M3.1 earthquake 240 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 240 km SE of Chiniak, Alaska on Sun, Feb 17, 2019, 4:33 AM AKST (13:33 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.6 265 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: 3.1 (ml), minor
Local time: Sun, Feb 17, 2019, 4:33 AM AKST
UTC: 2019-02-17 13:33:09 UTC
Depth: 20.4 km (12.6 mi), shallow
Epicenter: 56.182° N, 149.326° 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 10.3 km horizontally, 11.4 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 245°, poorly surrounded by stations
Stations used: 27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jam4 (also filed as aacse01927lqe8d, ak01927lqe8d). Read Tue, Sep 22, 2026, 6:55 PM UTC.