M1.8 earthquake 57 km NE of Chenega, Alaska

A magnitude 1.8 earthquake struck 57 km NE of Chenega, Alaska on Thu, Jul 22, 2021, 10:23 AM AKDT (18:23 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.3 59 km ENE of Chenega, 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: 70 in the 60 days after this one and 25 in the 30 days before it.

The first 60 of 70.

From the USGS Earthquake Hazards Program and its partner networks, event ak0219c0y9mg. Read Tue, Sep 29, 2026, 10:02 PM UTC.