Alaska earthquakes

M3.0 earthquake 230 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 230 km SE of Chiniak, Alaska on Sun, Dec 16, 2018, 10:47 PM AKST (07:47 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.2 244 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
UTC
2018-12-17 07:47:11 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
56.393° N, 149.215° 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.

Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 166 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 166.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018g4m2y3x (also filed as aacse018g4m2y3x). Read Tue, Sep 22, 2026, 4:15 PM UTC.