Alaska earthquakes

M2.4 earthquake 198 km ESE of Chiniak, Alaska

A magnitude 2.4 earthquake struck 198 km ESE of Chiniak, Alaska on Fri, Nov 23, 2018, 8:02 AM AKST (17:02 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 245 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: 2.4 (ml), micro
Local time: Fri, Nov 23, 2018, 8:02 AM AKST
UTC: 2018-11-23 17:02:56 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.807° N, 149.345° 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 8.3 km horizontally, 2.0 km in depth
Depth from: Operator assigned
Station coverage gap: 239°, poorly surrounded by stations
Stations used: 46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 137.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000i2fv (also filed as ak018f12ves4, ak20443472, aacse018f12ves4). Read Tue, Sep 22, 2026, 6:06 PM UTC.