Chino Fault
The Chino Fault extends along the eastern Chino Hills range region, from Corona in Riverside County to the Los Serranos, Chino Hills area of San Bernardino County in Southern California. Geology
The Chino Fault and Whittier Fault are the two upper branches of the Elsinore Fault Zone, which is part of the trilateral split of the San Andreas fault system. The right-lateral strike-slip fault has a slip rate of 1.0 millimeter/year and is capable of producing anywhere from a  6.0 to a  7.0 earthquake. See also
 2008 Chino Hills earthquake – Whittier Fault
 Puente Hills Fault

References

Seismic faults of California
Strike-slip faults
Chino Hills (California)
Geology of Riverside County, California
Geology of San Bernardino County, California
Geography of Corona, California