Alaska earthquakes

M3.0 earthquake 120 km E of McCarthy, Alaska

A magnitude 3.0 earthquake struck 120 km E of McCarthy, Alaska on Mon, Jul 10, 2023, 9:36 AM AKDT (17:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 157 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: 3.0 (ml), minor
Local time: Mon, Jul 10, 2023, 9:36 AM AKDT
UTC: 2023-07-10 17:36:14 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 61.465° N, 140.671° 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 2.0 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 59°
Stations used: 39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kens (also filed as ak0238s5zegc). Read Tue, Sep 29, 2026, 3:31 PM UTC.