Alaska earthquakes

M3.0 earthquake 16 km ESE of Chickaloon, Alaska

A magnitude 3.0 earthquake struck 16 km ESE of Chickaloon, Alaska on Wed, Dec 28, 2016, 4:36 PM AKST (01:36 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.3 28 km WNW of Valdez, Alaska. This one was a foreshock.

Sutton-Alpine 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: 3.0 (ML, local (Richter)), minor
Magnitude from: Alaska Earthquake Center
Local time: Wed, Dec 28, 2016, 4:36 PM AKST
UTC: 2016-12-29 01:36:25 UTC
Depth: 8.7 km (5.4 mi), shallow
Epicenter: 61.722° N, 148.203° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 98

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 149.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016gq0fj4f (also filed as ak14822123, us10007nga). Read Mon, Oct 5, 2026, 1:38 PM UTC.