M1.8 earthquake 63 km W of Anchor Point, Alaska

A magnitude 1.8 earthquake struck 63 km W of Anchor Point, Alaska on Tue, Aug 10, 2021, 5:41 PM AKDT (01:41 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M2.2 59 km W of Ninilchik, 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak021a8ton1m. Read Wed, Sep 23, 2026, 11:22 PM UTC.