The Raymond Fault is a fault across central Los Angeles County and western

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Southern California Southern California (commonly shortened to SoCal) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban a ...

San Gabriel Valley area

The eastern end of the Raymond Fault branches from the

San Andreas Fault The San Andreas Fault is a continental transform fault that extends roughly through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizonta ...

in the San Gabriel Mountains where it forms the east fork of the San Gabriel River and

Monrovia Monrovia () is the capital city of the West African country of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic coast and as of the 2008 census had 1,010,970 residents, home to 29% of Liberia’s total population. As th ...

Canyon. The fault is very straight and follows a WbS path. It then goes straight west through Arcadia and the

Santa Anita Racetrack Santa Anita Park is a Thoroughbred racetrack in Arcadia, California, United States. It offers some of the prominent horse racing events in the United States during early fall, winter and in spring. The track is home to numerous prestigious races ...

in the San Gabriel Valley, and then forms the

San Rafael Hills The San Rafael Hills are a mountain range in Los Angeles County, California. They are one of the lower Transverse Ranges, and are parallel to and below the San Gabriel Mountains, adjacent to the San Gabriel Valley overlooking the Los Angeles Bas ...

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and South Pasadena, and Raymond Hill after which the fault is named.

Los Angeles–Ventura areas

The fault continues west to form the hills of Highland Park, the lower eastern Santa Monica Mountains from

Dodger Stadium Dodger Stadium is a baseball stadium in the Elysian Park neighborhood of Los Angeles, California. It is the home stadium of Major League Baseball's Los Angeles Dodgers. Opened in 1962, it was constructed in less than three years at a cost of ...

Silver Lake Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, whi ...

, and

Griffith Park Griffith Park is a large municipal park at the eastern end of the Santa Monica Mountains, in the Los Feliz neighborhood of Los Angeles, California. The park includes popular attractions such as the Los Angeles Zoo, the Autry Museum of the Ameri ...

through the

Hollywood Hills The Hollywood Hills are a residential neighborhood in the central region of Los Angeles, California. Geography The Hollywood Hills straddle the Cahuenga Pass within the Santa Monica Mountains. The neighborhood touches Studio City, Univer ...

above the Sunset Strip and

Studio City Studio City is a neighborhood in the city of Los Angeles, California, in the southeast San Fernando Valley, just west of the Cahuenga Pass. It is named after the studio lot that was established in the area by film producer Mack Sennett in 1927, ...

. Further west the Raymond Fault creates the higher central and western

Santa Monica Mountains The Santa Monica Mountains is a coastal mountain range in Southern California, next to the Pacific Ocean. It is part of the Transverse Ranges. Because of its proximity to densely populated regions, it is one of the most visited natural areas in ...

from

Beverly Hills Beverly Hills is a city located in Los Angeles County, California. A notable and historic suburb of Greater Los Angeles, it is in a wealthy area immediately southwest of the Hollywood Hills, approximately northwest of downtown Los Angeles. ...

and along the southern San Fernando Valley to

Thousand Oaks Thousand Oaks is the second-largest city in Ventura County, California, United States. It is in the northwestern part of Greater Los Angeles, approximately from the city of Los Angeles and from Downtown. It is named after the many oak tree ...

and Malibu, and on to

Point Mugu Point Mugu (, Chumash: ''Muwu'') is a cape or promontory within Point Mugu State Park on the Pacific Coast in Ventura County, near the city of Port Hueneme and the city of Oxnard. The name is believed to be derived from the Chumash Indian term ...

at the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...

. The fault then continues underwater to form the northern

Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey, ...

, and beyond to where it terminates.

External links

Southern California Earthquake Data Center: Raymond Fault

USGS Earthquake Hazards Program database: Raymond Fault
Seismic faults of California Geology of Los Angeles County, California Geology of Ventura County, California Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Natural history of Los Angeles County, California Natural history of Ventura County, California Channel Islands of California Geography of the San Fernando Valley Geography of the San Gabriel Valley {{VenturaCountyCA-geo-stub