Alaska earthquakes

M3.2 earthquake 243 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 243 km SE of Chiniak, Alaska on Sat, Feb 15, 2020, 6:52 AM AKST (15:52 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M5.2 250 km ESE 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: 3.2 (ml), minor
Local time: Sat, Feb 15, 2020, 6:52 AM AKST
UTC: 2020-02-15 15:52:31 UTC
Depth: 20.4 km (12.7 mi), shallow
Epicenter: 56.350° N, 149.010° 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 5.5 km horizontally, 10.8 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 215°, poorly surrounded by stations
Stations used: 35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 16 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600088b4 (also filed as ak02024byor9). Read Sat, Sep 26, 2026, 11:46 PM UTC.