Alaska earthquakes

M3.7 earthquake 148 km SE of Sand Point, Alaska

A magnitude 3.7 earthquake struck 148 km SE of Sand Point, Alaska on Tue, Dec 14, 2021, 10:06 AM AKST (19:06 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.9 145 km SSE of Perryville, Alaska. This one was a foreshock.

Sand Point forecast More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 3.7 (mb), minor
Local time: Tue, Dec 14, 2021, 10:06 AM AKST
UTC: 2021-12-14 19:06:01 UTC
Depth: 18.7 km (11.6 mi), shallow
Epicenter: 54.388° N, 158.866° 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.

Location uncertainty: About 7.0 km horizontally, 9.4 km in depth
Magnitude uncertainty: ±0.25
Depth from: From location
Station coverage gap: 196°, poorly surrounded by stations
Stations used: 147

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast149 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 109.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gd5b (also filed as ak021fzudbcb). Read Wed, Sep 23, 2026, 4:34 AM UTC.