M1.9 earthquake 6 km SSW of Huron, California

A magnitude 1.9 earthquake struck 6 km SSW of Huron, California on Mon, Aug 12, 1985, 3:35 PM PDT (22:35 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.8 6 km E of Avenal, 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: 198 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 198.

From the USGS Earthquake Hazards Program and its partner networks, event nc52878 (also filed as ci109444). Read Wed, Sep 23, 2026, 10:51 PM UTC.