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		A Airport Lake Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994); ) Slip Rate: Hart and others (1989) Probable Magnitudes: Derived from rough calculation Dip: Hart and others (1989) Alamo Thrust Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Animated GIFs All animated GIFs on this site constructed using: GifBuilder0.5, by Yves Piguet "Anza Gap" Earthquake Effects/Damage Reports: Person (1982) Seismic Gap: Thatcher and others (1975); Thatcher and others (1980) Arrastre Canyon Narrows Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) History: Hart and others (1988) Arroyo Parida Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Petersen and Wesnousky (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Figured as explained in text Probable Magnitudes: Derived from rough calculation Arrowhead Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Ash Hill Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Avawatz Mountains Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Back to top B Bailey Fault Type of Faulting: Yerkes and Lee (1987) Surface Rupture Age: Jennings (1994) Baker Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Bakersfield Earthquake Effects/Damage Reports: Steinbrugge and Moran (1954) Photos from: Steinbrugge and Moran (1954) Banning Fault Type of Faulting: Sieh and others (1996) Surface Rupture Age: Jennings (1994) Total Offset: Sieh and others (1996) Probable Magnitudes: Derived from rough calculation Dip: Sieh and others (1996) Vincent Thrust-San Gabriel connection: ) Baseline Fault (see Los Alamos Fault) Bicycle Lake Fault (see Bitter Springs Fault) Big Bear Earthquake Effects/Damage Reports: Brewer (1992); Jones, Mori, and Hauksson (1992) Photo from: Barrows (1993) Big Mountain Fault Type of Faulting: Yerkes and Lee (1987) Surface Rupture Age: Yerkes and Lee (1987) Big Pine Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate:Petersen and Wesnousky (1994) and Wesnousky (1986) Dip: Jennings (1994) 1852 Rupture: Townley (1939) Bitter Springs and Bicycle Lake Faults Surface Rupture Age: Jennings (1994) Blackwater Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Aftershocks of Landers: Jones, Mori, and Hauksson (1992) Blake Ranch Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Blue Cut Fault Type of Faulting: ) Surface Rupture Age: Jennings (1994) Borrego Mountain Earthquake Effects/Damage Reports: Lander (1968) Bowen Ranch Fault (see Tunnel Ridge Fault) Brawley Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: () Slip Rate: Wesnousky (1986) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Brawley Seismic Zone Type of Faulting: Hart and others (1989) Breckenridge Fault Type of Faulting: Hart and others (1984) Surface Rupture Age: Jennings (1994) Dip: Hart and others (1984) Broadwell Lake Fault Surface Rupture Age: Jennings (1994) Brown Mountain Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Buck Ridge Fault (see Hot Springs and Buck Ridge Faults, San Jacinto Fault Zone) Buena Vista Fault Type of Faulting: Hart and others (1984) Surface Rupture Age: Jennings (1994) Dip: Hart and others (1984) Creep History: Hart and others (1984) Bullion Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from the Pisgah fault slip rate Probable Magnitudes: Derived from rough calculation Burnt Mountain Fault Type of Faulting: Rymer (1992) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from Johnson Valley fault slip rate, and those of other nearby, similar faults Probable Magnitudes: Derived from rough calculation Back to top C Cabrillo Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Cady Fault Type of Faulting: ) Surface Rupture Age: Jennings (1994) Cajon Pass Earthquake Effects/Damage Reports: Townley (1939) Calico and West Calico Faults Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) and Wesnousky (1986) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Data for West Calico Fault: Taken from same sources as above, and also from Hart and others (1988) Camp Rock Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Assumed from slip rate and average slip in last major rupture (Landers) Probable Magnitudes: Wesnousky (1986); rough calculation Cerro Prieto Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Chatsworth Fault Type of Faulting: Yerkes and Lee (1987) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: ) Chino Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Clamshell-Sawpit Canyon Fault Type of Faulting: Hauksson (1994) Surface Rupture Age: Jennings (1994) Connection with 1991 Earthquake: Hauksson (1994) Dip: Hauksson (1994) Clark Fault (see San Jacinto Fault Zone) Clearwater Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994); Dibblee (1961) Cleghorn Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994); Hart and others (1988) Slip Rate: Wesnousky (1986) Rupture Interval: Wesnousky (1986) "Rupture" actually landslides: Hart and others (1988) Dip: Meisling and Weldon (1989) Cleghorn Lake Fault Surface Rupture Age: Jennings (1994) Copper Mountain Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from Emerson fault slip rate Probable Magnitudes: Derived from rough calculation Coronado Bank Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Coyote Creek Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Jennings (1994) Rupture Interval: Jennings (1994) Probable Magnitudes: Derived from rough calculation Coyote Lake Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Crafton Hills Fault Zone Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Cucamonga Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Petersen and Wesnousky (1994) Slip Rate: Petersen and Wesnousky (1994) and Jones (1995) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) Dip: Jennings (1994) Back to top D Death Valley Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Desert Hot Springs Earthquake Effects/Damage Reports: Louderback (1949) Dry Creek Thrust Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Back to top E Eagle Rock Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Dip: Jennings (1994) Earthquake Valley Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation El Modeno and Peralta Hills Faults Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994); Hart and others (1989) Elmore Ranch Area Faults Type of Faulting: Hart and others (1989) Surface Rupture Age: Hudnut and others (1989) Slip Rate: Hudnut and others (1989) Rupture Interval: Hudnut and others (1989) Probable Magnitudes: Derived from rough calculation Elmore Ranch Earthquake -- see Superstition Hills Earthquake Elsinore Earthquake Effects/Damage Reports: Townley (1939) Elsinore Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) Info on Quake of 1910: (See Elsinore Earthquake) Emerson Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Etiwanda Avenue Fault (see Red Hill Fault) Eureka Peak Fault Type of Faulting: Jennings 1994) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from slip rates of nearby, similar faults Probable Magnitudes: Derived from rough calculation 1992 Rupture Notes: Back to top F Fish Creek Mountains Earthquake Effects/Damage Reports: Louderback (1943) Fort Tejon Earthquake of 1857 Effects/Damage Reports: Townley (1939); Sieh (1978); Agnew and Sieh (1978) Possibility of a devastating "double earthquake": Bayarsayhan and others (1996) with support taken from Sieh (1978) Map: Created using information from the above sources Frazier Mountain Thrust Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Furnace Creek Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Wesnousky (1986) Back to top G Galway Lake Earthquake Effects/Significance: Hill and Beeby (1977) Galway Lake Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from Emerson fault slip rate Rupture Interval: Based on freshness of scarps before 1975 quake and on assumed slip rate Probable Magnitudes: Derived from rough calculation Formation of link to Calico fault system: ) Garlic Spring Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Garlock Fault Zone Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Petersen and Wesnousky (1994) Slip Rate: Petersen and Wesnousky (1994) and Jones (1995) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Wesnousky (1986) Garnet Hill Fault Type of Faulting: Jennings (1994); Sieh and others (1996) Surface Rupture Age: Jennings (1994) Slip Rate: Sieh and others (1996) Dip: Sieh and others (1996) Glossary Some definitions from: Bates and Jackson (1987) Goldstone Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Granite Mountains Fault Zone Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Grass Valley Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Gravel Hills Fault (see Harper Fault Zone) Back to top H Harper Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Assumes average rupture of roughly 3 meters, with given slip rate Probable Magnitudes: Derived from rough calculation Harper Lake Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Assumes rate similar to Harper fault zone Probable Magnitudes: Derived from rough calculation Helendale Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Hidalgo Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Based on slip rate of the West Calico fault Probable Magnitudes: Derived from rough calculation Hidden Springs Fault Surface Rupture Age: Jennings (1994) Hollywood Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Holser Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Dip: Jennings (1994) Homestead Valley Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Jennings (1994) Rupture Interval: Jennings (1994) Probable Magnitudes: Derived from rough calculation Hosgri Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Hot Springs and Buck Ridge Faults (San Jacinto area) Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Dip: Jennings (1994) Hot Springs Fault (Salton Sea area) Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Hunter Mountain Fault Type of Faulting: Burchfiel and others (1987) Surface Rupture Age: Jennings (1994) Slip Rate: Burchfiel and others (1987) Probable Magnitudes: Derived from rough calculation Connection to Panamint Valley faults: Burchfiel and others (1987); Hart and others (1989) See also Saline Valley Faults. Back to top I Imperial Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Jones (1995) and Wesnousky (1986) Earthquake of 1966: (see below) Imperial Fault Earthquake of 1966 Effects/Damage Reports: Brune and Allen (1967) Imperial Valley Earthquake of 1915 Effects/Damage Reports: Beal (1915) and Townley (1939) Photos from: Beal (1915) Volcano Lake Aftershock (?): Branner (1916) Imperial Valley Earthquake of 1940 Effects/Damage Reports: Ulrich (1941) Photos from: Ulrich (1941) Imperial Valley Earthquake of 1979 Effects/Damage Reports: Person (1980) Photo from: Person (1980) Independence Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986); Hart and others (1989) Probable Magnitudes: Wesnousky (1986) Back to top J Johnson Valley Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Jennings (1994) Rupture Interval: Jennings (1994) Probable Magnitudes: Wesnousky (1986) Joshua Tree Earthquake Effects/Damage Reports: Person (1992) Seismological Details: Jones, Mori, and Hauksson (1992) Back to top K Kern County Earthquake Effects/Damage Reports: Steinbrugge and Moran (1954) Photos from: Steinbrugge and Moran (1954) Kern Front Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) and Hart and others (1984) Dip: Jennings (1994) Creep History: Hart and others (1984) Kern Gorge and Poso Creek Faults Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Kickapoo Fault Type of Faulting: Rymer (1992) Surface Rupture Age: Jennings (1994) Slip Rate: Based on slip rates of nearby faults Rupture Interval: Jennings 1994) Probable Magnitudes: Derived from rough calculation Involvement in 1979 Quake: Jennings 1994) Kramer Junction Area Faults (Kramer Hills, Leuhman, and Spring Faults) Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Dip: Hart and others (1988) Back to top L Laguna Salada Earthquake Effects/Damage Reports: Townley (1939) Laguna Salada Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Extrapolated from Elsinore fault rate Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Landers Earthquake Effects/Damage Reports: Rymer (1992); Brewer (1992); other sources Photos from: numerous varied sources Landers Fault (see Kickapoo Fault) La Panza Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Lavic Lake Fault Fault Trace Location: unpublished studies Type of Faulting: unpublished studies Surface Rupture Age: unpublished studies Lenwood Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Probable Magnitudes: Derived from rough calculation Creep Report: Hart and others (1988) Triggered Slip: Jennings (1994) Leuhman Fault (see Kramer Junction Area Faults) Lion Canyon Fault Type of Faulting: Hart and others (1986) Surface Rupture Age: Hart and others (1986); Jennings (1994) Dip: Hart and others (1986) See also: Data for Oak View Fault Zone Little Lake Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Hart and others (1989) Slip Rate: Hart and others (1989) Little Pine Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Llano Fault Type of Faulting: Guptil and others (1979) Surface Rupture Age: Jennings (1994) Dip: Guptil and others (1979) Geomorphic Evidence: Guptil and others (1979) Lockhart and North Lockhart Faults Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Probable Magnitudes: Derived from rough calculation Lompoc Earthquake Location: Gawthrop (1978) Effects/Damage Reports: Townley (1927); Byerly (1930); Townley (1939) Long Beach Earthquake Effects/Damage Reports: Wood (1933) Photos from: Wood (1933) Long Canyon Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Los Alamitos Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Los Alamos and Baseline Faults Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Dip: Jennings (1994) Los Osos Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Ludlow Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Lytle Creek Earthquake Effects/Damage Reports: Lander (1971) Back to top M Malibu Coast Fault Type of Faulting: Jennings 1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Malibu Earthquake of 1979 Effects/Damage Reports: Person (1979b) Malibu Earthquake of 1989 Effects/Damage Reports: Person (1989a) Manix Earthquake Effects/Damage Reports: Richter (1947); Louderback (1947) Manix Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Mesa - Rincon Creek Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Mesquite Lake Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Mill Creek Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: () Rupture Interval: Jennings (1994) Dip: Jennings (1994) Mint Canyon Fault Type of Faulting: Dibblee (1996b) Surface Rupture Age: Jennings (1994) Dip: Dibblee (1996a) Mirage Valley Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Mission Creek Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Dip: Jennings (1994) Mission Hills Fault Type of Faulting: Yerkes and Lee (1987) Surface Rupture Age: Jennings (1994) Slip Rate: ) Mojave (1992 Garlock) Earthquake Connection to Landers/Possibility of Triggered Quakes: Jones, Mori and Hauksson (1992) Connection to Skull Mountain Quake: (1994) Montebello Earthquake Effects/Damage Reports: Person (1989c) Morales Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Morongo Valley Fault Type of Faulting: ) Surface Rupture Age: Jennings (1994) Slip Rate: ) Probable Magnitudes: Derived from rough calculation Mt. General Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Mt. Poso Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Back to top N New Hope Fault (see Premier Fault) Newport Beach Earthquake Effects/Damage Reports: Person (1989b) Newport-Inglewood Fault Zone Type of Faulting: Hart and others (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Newport-Inglewood - Rose Canyon Fault Zone Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Slip Rate: Jennings (1994) Probable Magnitudes: Derived from rough calculation North Branch San Andreas Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Jennings (1994) Rupture Interval: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) North Frontal Fault Zone (of San Bernardino Mountains) Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation and Dip: Jennings (1994) North Lockhart Fault (see Lockhart and North Lockhart Fault) North Palm Springs Earthquake Effects/Damage Reports: Person (1986) Northridge Earthquake Effects/Damage Reports: numerous varied sources Photos from: numerous varied sources Northridge Hills Fault Type of Faulting: Yerkes and Lee (1987) Surface Rupture Age: Jennings (1994) Dip: Yerkes and Lee (1987) North San Jacinto Fault Earthquake of 1923 Effects/Damage Reports: Laughlin (1923) Photo from: Laughlin (1923) Back to top O Oak Ridge Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) Dip: Jennings (1994) Connection with Northridge (or Pico) Thrust: Oak View Fault Zone Type of Faulting: Hart and others (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Dip: Hart and others (1986) Oceanside Earthquake Effects/Damage Reports: Person (1986) Focal Mechanism/Aftershock Sequence/Fault: Hauksson and Jones (1988) Old Woman Springs Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Owens Valley Earthquake of 1872 Effects/Damage Reports: Townley (1939) Owens Valley Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Hart and others (1989) Slip Rate: Hart and others (1989); Wesnousky (1986) Rupture Interval: Wesnousky (1986); also derived from rough calculation using slip rate and penultimate rupture from Hart and others (1989) Probable Magnitudes: Derived from rough calculation Owl Lake Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Wesnousky (1986) Ozena Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Back to top P Palos Verdes Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Panamint Valley Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Slip Rate: Hart and others (1989) Probable Magnitudes: Derived from rough calculation Dip: Hart and others (1989) Parkfield Earthquake of 1966 Effects/Damage Reports: von Hake and Cloud (1968) Prediction Experiment: Bakun (1988) Previous Parkfield Events: Bakun (1988) Photo from: von Hake and Cloud (1968) Pasadena Earthquake Hypocenter Location: Jones and others (1990) Focal Mechanism: Jones and others (1990) Fault Involved: Jones and others (1990) Pelona Fault Type of Faulting: Inferred from regional setting Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Peralta Hills Fault (see El Moreno and Peralta Hills Faults) Pine Mountain Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Pinto Mountain Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Triggered Slip: Jennings (1994) Slip Rate: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Pipes Canyon Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Pisgah Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Triggered Slip: Jennings (1994) Slip Rate: ) Probable Magnitudes: Derived from rough calculation Pitas Point Fault (see Ventura and Pitas Point Faults) Pleito Thrust Type of Faulting: Jennings (1994) Surface Rupture Age: Hart and others (1984) Slip Rate: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Point Loma Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Point Mugu Earthquake Effects/Damage Reports: Lander (1973) Poso Creek Fault (see Kern Gorge and Poso Creek Faults) Premier and New Hope Faults Type of Faulting: Hart and others (1984) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Creep History: Hart and others (1984) Punchbowl Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Sharp and Silver (1971) History/Notes: Chester and Logan (1986); Chester, Evans, and Biegel (1993) Back to top R Raymond (or Raymond Hill) Fault Type of Faulting: Jones and others (1990) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jones and others (1990) Red Hill Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Red Mountain Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Horizontal at Depth: Redondo Canyon Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Red Pass Lake Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Rico Fault Type of Faulting: Sharp and others (1982) Surface Rupture Age: Jennings (1994) Discovery: Sharp and others (1982) Ridgecrest Earthquakes General Data: Hauksson and others (1995) Map provided by: Egill Hauksson Rinconada Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Total Displacement: Hart and others (1986) Rodman Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Rose Canyon Fault Zone Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Dip: Jennings (1994) Back to top S Saline Valley Faults Type of Faulting: Burchfiel and others (1987) Surface Rupture Age: Jennings (1994) Salton Creek Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) San Andreas Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Jones (1995) San Antonio Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) San Bernardino Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Dip: Jennings (1994) San Cayetano Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) Dip: Hart and others (1986) San Clemente Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) San Diego Trough Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) San Fernando (or Sylmar) Earthquake of 1971 Effects/Damage Reports: Bolt (1971) and others Photo from: Bolt (1971) San Fernando Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) San Gabriel Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994); Hart and others (1988) Slip Rate: Petersen and Wesnousky (1994) Dip: Jennings (1994) San Gorgonio Mountain Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) San Gorgonio Pass Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Sieh and others (1996) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) San Jacinto Fault Earthquake of 1899 Effects/Damage Reports: Townley (1939); Claypole (1900) Photo from: Claypole (1900) San Jacinto Earthquake of 1918 Effects/Damage Reports: Townley (1918) Photos from: Townley (1918) San Jacinto Fault (Terwilliger Valley) Earthquake of 1937 Effects/Damage Reports: Wood (1937) San Jacinto Fault (Arroyo Salada) Earthquake of 1954 Effects/Damage Reports: Louderback (1954) Location on Clark fault segment: Magistrale and others (1989) San Jacinto Fault Zone Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) See also Coyote Creek Fault and Hot Springs and Buck Ridge Faults) San Jose Fault Type of Faulting: Hauksson and Jones (1991); Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Hauksson and Jones (1991) Slip Rate: Dolan (1997) Dip: Hauksson and Jones (1991) San Juan Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) San Rafael Fault (see Eagle Rock Fault) Santa Ana Fault (Ojai area -- see Arroyo Parida Fault) Santa Ana Fault (San Bernardino area) Type of Faulting: Meisling and Weldon (1989) Surface Rupture Age: Jennings (1994) Dip: Meisling and Weldon (1989) Santa Barbara Earthquake of 1812 Effects/Damage Reports: Townley (1939) Santa Barbara Earthquake of 1925 Effects/Damage Reports: Willis (1925) Photos from: Dewell and Willis (1925) and Hobrecht (1925) Santa Barbara Earthquake of 1941 Effects/Damage Reports: Ulrich (1942) Santa Barbara Earthquake of 1978 Effects/Damage Reports: Person (1979a) Data/Focal Mechanism: Corbett and Johnson (1982) Photo from: Person (1979a) Santa Cruz Island Fault Type of Faulting: Jennings 1994) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Rupture Interval: Wesnousky (1986) Dip: Jennings (1994) Santa Cruz-Santa Catalina Ridge Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Santa Monica Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Santa Rosa Fault (see Simi Fault) Santa Rosa Island Fault Type of Faulting: Petersen and Wesnousky (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Santa Susana Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994); ) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) Dip: Jennings (1994) Santa Ynez Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Sierra Juarez Fault Zone Type of Faulting: Jennings (1994), focal mechanisms recorded by the SCSN Surface Rupture Age: Jennings (1994) Seismicity: Jennings (1994) [Appendix A] Sierra Madre Earthquake Location: Hauksson (1994) Motion/Fault Involved: Hauksson (1994) Effects/Damage Reports: ) Photos from: ) Sierra Madre Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Petersen and Wesnousky (1994) Probable Magnitudes: Jones (1995) and Wesnousky (1986) Dip: Jennings (1994) Single-segment rupture only: Wesnousky (1986) Multiple-segment rupture possible: Hauksson (1994) Rupture caused by San Andreas motion: Bayarsayhan and others (1996) Sierra Nevada Fault Zone Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Hart and others (1989) Probable Magnitudes: Wesnousky (1986) Dip: Jennings (1994) Silver Reef Fault (see Old Woman Springs Fault) Simi Fault Type of Faulting: Jennings (1994) Surface Rupture Age: William Lettis & Associates, Inc. (2000) Dip: Jennings (1994) Slide Canyon (or Slide Peak) Fault Surface Rupture Age: Jennings (1994) Soda Mountain Fault Surface Rupture Age: Jennings (1994) Soledad Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) South Branch San Andreas Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: ) Rupture Interval: ) Dip: Jennings (1994) South Bristol Mountains Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) South Lockhart Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Rupture Interval: Derived from rough calculation Probable Magnitudes: Derived from rough calculation South San Antonio Fault (see Stoddard Canyon Fault) Spring Fault (see Kramer Junction Area Faults) Springs Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Stoddard Canyon Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Dip: Jennings (1994) Superstition Hills and Elmore Ranch Earthquakes Slip during 1987 Quakes: Hudnut and others (1989); Sharp and others (1989) Conjugate focal mechanisms: Magistrale and others (1989) "Unlocking" possibility: Magistrale and others (1989) Superstition Hills Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Hudnut and Sieh (1989) Slip during 1987 Quake: Hudnut and Sieh (1989) Slip Rate: Hudnut and Sieh (1989) Rupture Interval: Hudnut and Sieh (1989) Probable Magnitudes: Derived from rough calculation Previous Ruptures: Hudnut and Sieh (1989) Superstition Mountain Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation Sylmar Earthquake of 1971 (see San Fernando Earthquake) Back to top T Tank Canyon Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Wesnousky (1986) Dip: inferred from Wesnousky (1986) Tejon Ranch Earthquake Effects/Damage Reports: Person (1988) Tiefort Mountain Fault Zone Surface Rupture Age: Jennings (1994) Torrance-Gardena Earthquakes of 1941 Effects/Damage Reports: Byerly (1942); Ulrich (1942) Towne Pass Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Jennings (1994) Tunnel Ridge Fault Type of Faulting: Hart and others (1988) Surface Rupture Age: Jennings (1994) Back to top U Upland Earthquake of 1988 Effects/Damage Reports: Person (1988) Upland Earthquake of 1990 Effects/Damage Reports: Person (1990) Back to top V Vasquez Creek Fault (see Sierra Madre Fault Zone) Ventura and Pitas Point Faults Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Verdugo Fault Type of Faulting: Wesnousky (1986) Surface Rupture Age: Jennings (1994) Slip Rate: Dolan (1997) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Volcano Lake Earthquake Effects/Damage Reports: Townley (1939) Photo from: MacDougal (1915) Back to top W Walker Pass Earthquake Effects/Damage Reports: Louderback (1946); Chakrabarty and Richter (1949) Waterman Canyon Fault Type of Faulting: Meisling and Weldon (1989) Surface Rupture Age: Jennings (1994) Dip: Meisling and Weldon (1989) West Calico Fault (see Calico Fault Zone) Wheeler Ridge Earthquake Effects/Damage Reports: Person (1993) Wheeler Ridge Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) White Wash Earthquake Effects/Damage Reports: Person (1980b) Whittier Narrows Earthquake Effects/Damage Reports: ) Photo from: ) Whittier Fault Type of Faulting: Jennings (1994) Surface Rupture Age: Jennings (1994) Slip Rate: Petersen and Wesnousky (1994) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) White Wolf Fault Type of Faulting: Steinbrugge and Moran (1954) Surface Rupture Age: Steinbrugge and Moran (1954) Slip Rate: Wesnousky (1986) Probable Magnitudes: Derived from rough calculation Dip: Jennings (1994) Wienert Fault Type of Faulting: Hart and others (1989) Surface Rupture Age: Sharp and others (1989) Slip in 1987 Quake: Sharp and others (1989) Slip Rate: Based on slip rate for Superstition Hills fault Probable Magnitudes: Derived from rough calculation Previous Ruptures: Sharp and others (1989) Wilson Canyon Fault Type of Faulting: Based on fault orientation in regional tectonic setting Surface Rupture Age: Jennings (1994) Wilson Creek Fault Type of Faulting: Sieh and others (1996) Surface Rupture Age: Jennings (1994) History: () Identity of Fault Segments: Sieh and others (1996) Wrightwood (or San Juan Capistrano) Earthquake of 1812 Effects/Damage Reports: Townley (1939) Wrightwood Epicenter: Jacoby, Sheppard, and Sieh (1988); Sieh, Stuiver and Brillinger (1989) Back to top Y Yuha Wells Fault Surface Rupture Age: Jennings (1994)