Alaska earthquakes

M2.7 earthquake 263 km ESE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 263 km ESE of Chiniak, Alaska on Sun, Feb 2, 2020, 4:22 AM AKST (13:22 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: Sun, Feb 2, 2020, 4:22 AM AKST
UTC: 2020-02-02 13:22:21 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.554° N, 148.387° 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 8.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 232°, poorly surrounded by stations
Stations used: 22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 12 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007jg4 (also filed as ak0201isluvj). Read Mon, Sep 28, 2026, 11:52 AM UTC.