M1.6 earthquake 69 km SE of Cantwell, Alaska

A magnitude 1.6 earthquake struck 69 km SE of Cantwell, Alaska on Sun, Oct 31, 2021, 5:05 PM AKDT (01:05 UTC), 65 km (41 mi) below the surface.

A larger quake followed: M3.3 59 km ENE of Susitna North, 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: 100 in the 60 days after this one and 51 in the 30 days before it.

The first 60 of 100.

From the USGS Earthquake Hazards Program and its partner networks, event ak021e0fjesi. Read Thu, Sep 24, 2026, 3:42 PM UTC.