Significant Earthquakes and Faults

Reference Sources

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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)

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)

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)

B

Type of Faulting: Yerkes and Lee (1987)
Surface Rupture Age: Jennings (1994)

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)

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)

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)

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)

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

C

Type of Faulting: Jennings (1994)
Surface Rupture Age: Jennings (1994)
Probable Magnitudes: Derived from rough calculation
Dip: Jennings (1994)

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: )

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)

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)

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)

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)

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:

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)
upture Interval: Wesnousky (1986)
Probable Magnitudes: Wesnousky (1986)

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)

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)

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

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

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 (1988)
See also Saline Valley Faults.

I

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)

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)

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)

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)

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

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)

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)

Type of Faulting: Hart and others (1989)
Surface Rupture Age: Jennings (1994)

Type of Faulting: Based on fault orientation in regional tectonic setting
Surface Rupture Age: Jennings (1994)

Lytle Creek Earthquake

Effects/Damage Reports: Lander (1971)

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)

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)

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)

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)

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

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)

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)

Type of Faulting: Inferred from regional setting
Surface Rupture Age: Jennings (1994)
Dip: Jennings (1994)

Peralta Hills Fault (see El Modeno 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)

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)

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)

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

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)

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)

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)

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)

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)

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)

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)

U

Upland Earthquake of 1988

Effects/Damage Reports: Person (1988)

Upland Earthquake of 1990

Effects/Damage Reports: Person (1990)

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)

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)

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: )

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)

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)

Y

Yuha Wells Fault

Surface Rupture Age: Jennings (1994)

Comments: | last update: 01/31/2013

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