M1.7 earthquake 63 km SSE of Cantwell, Alaska

A magnitude 1.7 earthquake struck 63 km SSE of Cantwell, Alaska on Mon, May 31, 2021, 10:09 PM AKDT (06:09 UTC), 6 km (4 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.0 75 km N of Chickaloon, 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.

An automatic solution; a seismologist may revise it.

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

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 196 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak0216zhbc24. Read Sun, Sep 27, 2026, 4:57 PM UTC.