Alaska earthquakes

M3.4 earthquake 119 km E of McCarthy, Alaska

A magnitude 3.4 earthquake struck 119 km E of McCarthy, Alaska on Fri, Feb 3, 2023, 3:48 AM AKST (12:48 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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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.4 (ml), minor
Local time: Fri, Feb 3, 2023, 3:48 AM AKST
UTC: 2023-02-03 12:48:56 UTC
Depth: 5.1 km (3.2 mi), shallow
Epicenter: 61.514° N, 140.692° 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 1.4 km horizontally, 8.0 km in depth
Magnitude uncertainty: ±0.03
Depth from: From location
Station coverage gap: 52°
Stations used: 49

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 32 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jl60 (also filed as ak0231kfpep5). Read Tue, Sep 29, 2026, 11:11 AM UTC.