M1.5 earthquake 70 km W of Aleneva, Alaska

A magnitude 1.5 earthquake struck 70 km W of Aleneva, Alaska on Sun, Feb 21, 2021, 7:31 PM AKST (04:31 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M1.6 32 km W of Port Lions, 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: 123 in the 60 days after this one and 59 in the 30 days before it.

The first 60 of 123.

From the USGS Earthquake Hazards Program and its partner networks, event ak0212fq1swt. Read Thu, Sep 24, 2026, 8:06 AM UTC.