M1.7 earthquake 136 km SE of McCarthy, Alaska

A magnitude 1.7 earthquake struck 136 km SE of McCarthy, Alaska on Tue, Apr 6, 2021, 12:58 AM AKDT (08:58 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.2 80 km NW of Yakutat, 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: 46 in the 60 days after this one and 49 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak0214ewp9uq. Read Mon, Sep 28, 2026, 8:43 AM UTC.