Alaska earthquakes

M3.2 earthquake 153 km S of False Pass, Alaska

A magnitude 3.2 earthquake struck 153 km S of False Pass, Alaska on Sun, Dec 24, 2017, 2:56 PM AKST (23:56 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M4.6 96 km SE of Akutan, Alaska. This one was a foreshock.

Akutan forecastMore in Alaska

Map

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

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The earthquake

Magnitude
3.2 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-12-24 23:56:24 UTC
Depth
27.9 km (17.3 mi), shallow
Epicenter
53.479° N, 163.470° 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
3.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.2ML, local (Richter)Alaska Earthquake CenterPreliminary

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 3.3 km horizontally, 11.7 km in depth
Depth from
From location
Station coverage gap
220°, poorly surrounded by stations
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 26 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000bxjm (also filed as ak17663362, ak017gggf9mq). Read Thu, Oct 1, 2026, 2:36 PM UTC.