M2.9 earthquake 6 km W of Allendale, California

A magnitude 2.9 earthquake struck 6 km W of Allendale, California on Mon, Jul 2, 1990, 3:20 PM PDT (22:20 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.2 6 km W of Cobb, 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.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 145 in the 60 days after this one and 97 in the 30 days before it.

The first 60 of 145.

From the USGS Earthquake Hazards Program and its partner networks, event usp0004b9n. Read Mon, Oct 5, 2026, 6:14 AM UTC.