M2.2 earthquake 3 km NW of Swall Meadows, California

A magnitude 2.2 earthquake struck 3 km NW of Swall Meadows, California on Fri, Aug 30, 1985, 7:43 AM PDT (14:43 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.9 3 km WSW of Round Valley, 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: 121 in the 60 days after this one and 77 in the 30 days before it.

The first 60 of 121.

From the USGS Earthquake Hazards Program and its partner networks, event nc54421 (also filed as ci113739). Read Tue, Sep 22, 2026, 4:09 PM UTC.