M1.7 earthquake Central California

A magnitude 1.7 earthquake struck in Central California on Thu, Jul 11, 1985, 1:06 AM PDT (08:06 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M1.7 9 km SSW of Huron, 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: 196 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 196.

From the USGS Earthquake Hazards Program and its partner networks, event nc50913. Read Wed, Sep 23, 2026, 6:16 AM UTC.