Alaska earthquakes

M1.8 earthquake 30 km SSW of False Pass, Alaska

A magnitude 1.8 earthquake struck 30 km SSW of False Pass, Alaska on Tue, Dec 20, 2016, 9:47 PM AKST (06:47 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.5 107 km SSW of False Pass, Alaska. This one was a foreshock.

King Cove forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Dec 20, 2016, 9:47 PM AKST
UTC: 2016-12-21 06:47:26 UTC
Depth: 4.7 km (2.9 mi), shallow
Epicenter: 54.615° N, 163.653° 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: 14

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast99 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 41 in the 30 days before it.

After

The first 60 of 78.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016gcv6a3k (also filed as ak14774475). Read Sat, Oct 3, 2026, 12:11 AM UTC.