Alaska earthquakes

M3.5 earthquake 232 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 232 km SE of Chiniak, Alaska on Fri, Nov 24, 2023, 10:18 AM AKST (19:18 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.1 238 km SE 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: 3.5 (ml), minor
Local time: Fri, Nov 24, 2023, 10:18 AM AKST
UTC: 2023-11-24 19:18:01 UTC
Depth: 17.4 km (10.8 mi), shallow
Epicenter: 56.360° N, 149.225° 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 8.5 km horizontally, 8.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 223°, poorly surrounded by stations
Stations used: 57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000lhyp (also filed as ak023f2rp11p). Read Mon, Sep 28, 2026, 8:49 AM UTC.