Alaska earthquakes

M2.8 earthquake 23 km ESE of Point Possession, Alaska

A magnitude 2.8 earthquake struck 23 km ESE of Point Possession, Alaska on Fri, Dec 8, 2017, 9:21 AM AKST (18:21 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M3.4 25 km N of Cooper Landing, 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
2.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-12-08 18:21:20 UTC
Depth
37.0 km (23.0 mi), shallow
Epicenter
60.852° N, 150.276° W
Region
Alaska
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.ScaleComputed byNotes
2.8ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.8ML, local (Richter)USGS National Earthquake Information CenterReviewed

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
87

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 131 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017fpwn1ep (also filed as ak17538426, us2000c248). Read Sat, Oct 3, 2026, 6:49 AM UTC.