M2.8 earthquake 8 km NNE of Arbuckle, California

A magnitude 2.8 earthquake struck 8 km NNE of Arbuckle, California on Fri, Apr 19, 1985, 10:52 PM PST (06:52 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.6 9 km ESE of Williams, 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: 182 in the 60 days after this one and 126 in the 30 days before it.

The first 60 of 182.

From the USGS Earthquake Hazards Program and its partner networks, event nc46416. Read Fri, Oct 2, 2026, 6:58 AM UTC.