M2.1 earthquake 100 km SSW of False Pass, Alaska

A magnitude 2.1 earthquake struck 100 km SSW of False Pass, Alaska on Sat, Feb 27, 2021, 9:27 PM AKST (06:27 UTC), 54 km (33 mi) below the surface.

A larger quake followed: M2.3 31 km SSE 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: 142 in the 60 days after this one and 46 in the 30 days before it.

The first 60 of 142.

From the USGS Earthquake Hazards Program and its partner networks, event ak0212pofy89. Read Wed, Sep 23, 2026, 4:34 PM UTC.