M1.8 earthquake 7km W of Cobb, CA

A magnitude 1.8 earthquake struck 7km W of Cobb, CA on Sun, Nov 15, 2020, 9:48 PM PST (05:48 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.4 13km W of Lakeport, CA. 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: 171 in the 60 days after this one and 120 in the 30 days before it.

The first 60 of 171.

From the USGS Earthquake Hazards Program and its partner networks, event nc73482796. Read Mon, Oct 5, 2026, 4:16 AM UTC.