Alaska earthquakes

M3.5 earthquake 227 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 227 km SE of Chiniak, Alaska on Wed, Oct 2, 2024, 2:04 PM AKDT (22:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 275 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: Wed, Oct 2, 2024, 2:04 PM AKDT
UTC: 2024-10-02 22:04:13 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.083° N, 149.817° 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 8.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 237°, poorly surrounded by stations
Stations used: 38

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 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nw6f (also filed as ak024cotg71r). Read Mon, Sep 28, 2026, 11:01 PM UTC.