M1.8 earthquake 61 km E of Pedro Bay, Alaska

A magnitude 1.8 earthquake struck 61 km E of Pedro Bay, Alaska on Sat, Feb 20, 2021, 10:26 PM AKST (07:26 UTC), 105 km (65 mi) below the surface.

A larger quake followed: M4.2 41 km E of Pedro Bay, 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: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak0212e49nl4. Read Sat, Sep 26, 2026, 5:47 PM UTC.