Alaska earthquakes

M3.0 earthquake 231 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 231 km SE of Chiniak, Alaska on Sun, Dec 2, 2018, 10:58 AM AKST (19:58 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.4 282 km SE of Chiniak, Alaska. This one was a foreshock.

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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: Sun, Dec 2, 2018, 10:58 AM AKST
UTC: 2018-12-02 19:58:28 UTC
Depth: 20.9 km (13.0 mi), shallow
Epicenter: 56.236° N, 149.428° 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 9.1 km horizontally, 10.9 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 209°, poorly surrounded by stations
Stations used: 32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 157 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 157.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j5xs (also filed as ak018fg08cc5, ak20627521, aacse018fg08cc5). Read Tue, Sep 22, 2026, 8:04 PM UTC.