M1.8 earthquake 65 km ESE of King Cove, Alaska

A magnitude 1.8 earthquake struck 65 km ESE of King Cove, Alaska on Thu, Dec 16, 2021, 1:49 AM AKST (10:49 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M3.1 23 km WSW of Sand Point, Alaska. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 43 in the 30 days before it.

The first 60 of 78.

From the USGS Earthquake Hazards Program and its partner networks, event ak021g30cb7e. Read Wed, Sep 23, 2026, 2:37 AM UTC.