M1.5 earthquake 42 km W of Cantwell, Alaska

A magnitude 1.5 earthquake struck 42 km W of Cantwell, Alaska on Sat, Apr 4, 2020, 2:22 AM AKDT (10:22 UTC), 0 km (0 mi) below the surface.

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

A larger quake followed: M3.6 71 km NNE of Petersville, 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: 192 in the 60 days after this one and 81 in the 30 days before it.

The first 60 of 192.

From the USGS Earthquake Hazards Program and its partner networks, event ak0204da53rf. Read Wed, Sep 30, 2026, 5:06 AM UTC.