M2.0 earthquake 42 km SE of False Pass, Alaska

A magnitude 2.0 earthquake struck 42 km SE of False Pass, Alaska on Wed, Mar 31, 2021, 1:23 PM AKDT (21:23 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.7 109 km SSW of False Pass, 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: 77 in the 60 days after this one and 77 in the 30 days before it.

The first 60 of 77.

From the USGS Earthquake Hazards Program and its partner networks, event ak0214570hgr. Read Wed, Sep 23, 2026, 6:27 PM UTC.