Alaska earthquakes

M2.7 earthquake 217 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 217 km SE of Chiniak, Alaska on Fri, Feb 28, 2020, 9:34 PM AKST (06:34 UTC), 10 km (6 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: 2.7 (ml), micro
Local time: Fri, Feb 28, 2020, 9:34 PM AKST
UTC: 2020-02-29 06:34:05 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.246° N, 149.730° 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 9.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: Operator assigned
Station coverage gap: 246°, poorly surrounded by stations
Stations used: 20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 19 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60008d0d (also filed as ak0202rc0qcp). Read Fri, Sep 25, 2026, 2:20 PM UTC.