Alaska earthquakes

M2.5 earthquake 156 km E of McCarthy, Alaska

A magnitude 2.5 earthquake struck 156 km E of McCarthy, Alaska on Thu, Sep 14, 2023, 5:33 PM AKDT (01:33 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.7 141 km E of McCarthy, 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: 2.5 (ml), micro
Local time: Thu, Sep 14, 2023, 5:33 PM AKDT
UTC: 2023-09-15 01:33:11 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 61.368° N, 139.995° 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 1.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 83°
Stations used: 33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 22 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kvvt (also filed as ak023bupg2lo). Read Tue, Sep 29, 2026, 5:35 PM UTC.