M1.8 earthquake 16 km NE of Upper Lake, California

A magnitude 1.8 earthquake struck 16 km NE of Upper Lake, California on Fri, Jan 30, 1981, 2:28 AM PST (10:28 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.2 15 km SSE of Covelo, 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: 128 in the 60 days after this one and 56 in the 30 days before it.

The first 60 of 128.

From the USGS Earthquake Hazards Program and its partner networks, event nc1059771. Read Wed, Sep 23, 2026, 3:22 AM UTC.