Alaska earthquakes

M2.7 earthquake 118 km E of McCarthy, Alaska

A magnitude 2.7 earthquake struck 118 km E of McCarthy, Alaska on Mon, Feb 20, 2023, 5:53 AM AKST (14:53 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.7 Yukon, Canada. This one was a foreshock.

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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: Mon, Feb 20, 2023, 5:53 AM AKST
UTC: 2023-02-20 14:53:07 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 61.519° N, 140.713° 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 0.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 74°
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: 33 in the 60 days after this one and 48 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jqah (also filed as ak0232cl255j). Read Tue, Sep 29, 2026, 8:06 AM UTC.