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The probability of a serious earthquake on various faults has been estimated in the 2008 Uniform California Earthquake Rupture Forecast. According to the United States Geological Survey, Southern California experiences nearly 10,000 earthquakes every year. [3] Details on specific faults can be found in the USGS Quaternary Fault and Fold Database.
The Newport–Inglewood-Rose Canyon Fault Zone. The Newport–Inglewood Fault is a right-lateral strike-slip fault [1] in Southern California.The fault extends for 47 mi (76 km) [1] (110 miles if the Rose Canyon segment is included) from Culver City southeast through Inglewood and other coastal communities to Newport Beach at which point the fault extends east-southeast into the Pacific Ocean.
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.
A multi-year study published in 2018 suggests a connection between the Elsinore fault and other fault lines farther south, in Mexico: "...observations of the Yuha Desert and Salton Trough suggest that the 2010 M7.2 El Mayor ‐ Cucapah earthquake rupture, the Laguna Salada fault in Baja California, Mexico, and the Elsinore fault in California ...
The Yorba Linda Fault or Yorba Linda Trend [1] is a fault system that transects the Whittier Fault and extends from northeast Yorba Linda, California to the southeastern portion of the Chino Hills and Chino Hills (city), in San Bernardino County, California. [2] The fault was discovered in the late 1990s and is known to have caused the M w 5.5 ...
No active faults are currently known to exist within the valley portion of the county, a 2017 version of the county’s hazard mitigation plan says.. Most development in the unincorporated county ...
The Sierra Madre Fault Zone highlighted in red. Situated at the boundary to the San Gabriel Valley and San Fernando Valley, the Sierra Madre Fault Zone (also known as the Sierra Madre-Cucamonga Fault) runs along the southern edge of the San Gabriel Mountains for a total of 95 kilometers (59 mi), where the northwesternmost 19 km (12 mi) comprises the San Fernando Fault (the section responsible ...
The San Felipe Fault Zone (also known as the Agua Caliente or Murrieta Hot Springs Fault zone) is an active Quaternary fault zone made up of continuous right-lateral fault strands]. [1] It is a part of the San Andreas Fault system and it is located in the western Salton Trough spanning three counties: Imperial , Riverside , and San Diego county ...