The Chino Fault is a fault that extends along the eastern Chino Hills range

Chino Hills

The Chino Hills are a mountain range on the border of Orange, Los Angeles, and San Bernardino Counties, California, with a small portion in Riverside County...

 region, from Corona

Corona, California

Corona is a city in Riverside County, California, United States. As of the 2010 census, the city had a population of 152,374, up from 124,966 at the 2000 census...

 in Riverside County

Riverside County, California

Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...

 to the Los Serranos, Chino Hills

Los Serranos, Chino Hills, California

Los Serranos is a subdivision neighborhood within the city of Chino Hills in western San Bernardino County, California. It is named after a golf course "Los Serranos Golf Course" within the east-central end of the Chino Hills city limits, near the Chino Valley Freeway . The U.S...

 area of San Bernardino County

San Bernardino County, California

San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...

 in Southern California

Southern California

Southern California is a megaregion, or megapolitan area, in the southern area of the U.S. state of California. Large urban areas include Greater Los Angeles and Greater San Diego. The urban area stretches along the coast from Ventura through the Southland and Inland Empire to San Diego...

.

Geology

The Chino Fault and Whittier Fault

Whittier Fault

The Whittier Fault is a geologic fault located in eastern Los Angeles County in Southern California, that is one of the two upper branches of the Elsinore Fault Zone, with the Chino Fault the second.-Geology:...

 are the two upper branches of the Elsinore Fault Zone

Elsinore Fault Zone

The Elsinore Fault Zone is a large right-lateral strike-slip geological fault structure in Southern California. The fault is part of the trilateral split of the San Andreas fault system and is one of the largest, though quietest faults in Southern California....

, which is part of the is part of the trilateral split of the San Andreas fault

San Andreas Fault

The San Andreas Fault is a continental strike-slip fault that runs a length of roughly through California in the United States. The fault's motion is right-lateral strike-slip...

 system. The right-lateral strike-slip fault has a slip rate of 1.0 millimeter/year and is capable of producing anywhere from a M_W

Moment magnitude scale

The moment magnitude scale is used by seismologists to measure the size of earthquakes in terms of the energy released. The magnitude is based on the seismic moment of the earthquake, which is equal to the rigidity of the Earth multiplied by the average amount of slip on the fault and the size of...

6.0 to a M_W7.0 earthquake.