M2.1 earthquake 22 km SW of Ferndale, California

A magnitude 2.1 earthquake struck 22 km SW of Ferndale, California on Thu, Jun 11, 1981, 9:34 PM PDT (04:34 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.5 13 km NW of Manila, California. 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: 166 in the 60 days after this one and 33 in the 30 days before it.

The first 60 of 166.

From the USGS Earthquake Hazards Program and its partner networks, event nc1064469. Read Tue, Sep 22, 2026, 10:00 AM UTC.