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California Geological Survey - Alquist-Priolo Earthquake Fault Zones

EARTHQUAKE FAULT ZONES
AFFECTING COUNTIES

This table lists all Official Maps of Earthquake Fault Zones affecting 36 counties in California. Click on the figure under the county name to view the appropriate index of Earthquake Fault Zone maps. Note: This table and the linked maps are optimized for viewing with Internet Explorer 4.0.

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A-I K-M N-S V-Y

County	Earthquake Fault Zone Maps Affecting County
A-I
Alameda Figure 4B	Altamont Byron Hot Springs Calaveras Reservoir Cedar Mtn. Dublin	Eylar Mountain Hayward La Costa Valley Livermore Midway	Milpitas Newark Niles Oakland East Oakland West	Richmond San Leandro
Alpine Figure 4H	Markleeville Minden Woodfords
Butte Figure 4H	Bangor
Contra Costa Figure 4B	Byron Hot Springs Clayton Diablo	Dublin Mare Island Richmond	Tassajara Vine Hill (formerly Port Chicago)	Walnut Creek
Fresno Figure 4C	Alcalde Hills Ortigalita Peak
Humboldt Figure 4A	Arcata North Arcata South	Fields Landing Fortuna	Hydesville Korbel	Shelter Cove (formerly Point Delgada SE1/4) Trinidad
Imperial Figure 4F	Alamorio Bonds Corner Borrego Mountain SE Brawley Brawley NW	Calexico Carrizo Mtn. Durmid El Centro Frink	Frink NW Harpers Well Holtville West Kane Spring Plaster City NW	Seeley Shell Reef Superstition Mtn.
Inyo Figure 4I Figure 4J	Badwater Ballarat Bartlett Beatty Junction Bee Springs Canyon Big Pine NE1/4 Bishop NE1/4 Bishop NW1/4 Bishop SE1/4 Bishop SW1/4 Blackrock Cactus Peak Chocolate Mtn. Confidence Hills East Confidence Hills West Copper Queen Canyon Dantes View	Deep Springs Lake Devils Golf Course Dry Bone Canyon East of Tin Mountain Emigrant Pass Fall Canyon Fish Springs Furnace Creek Gold Valley Grotto Canyon Hanaupah Canyon Horse Thief Canyon Independence Jail Canyon Kearsarge Peak Last Chance Mtn. Little Lake	Lone Pine Manly Fall Manzanar Maturango Peak NE Maturango Peak SE Mesquite Flat Mormon Point Mount Tom Mt. Langley Mt. Morgan Mt. Williamson Nova Canyon Olancha Panamint Butte Panamint Springs Pearsonville Revenue Canyon	Rovana Scottys Castle Shore Line Butte Soldier Pass Stovepipe Wells NE Sylvania Canyon The Dunes Tinemaha Reservoir Tule Canyon Tungsten Hills Ubehebe Crater Uhlmeyer Spring Union Wash Volcano Peak White Hills
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Kern Figure 4D Figure 4E Figure 4J	Apache Canyon Arvin Ballinger Canyon Bear Mountain Breckenridge Mountain SE1/4 Breckenridge Mountain SW1/4 Cantil Cinco Coal Oil Canyon Conner SW Cuddy Valley Eagle Rest Peak Edison	El Paso Peaks Frazier Mtn. Garlock Grapevine Holland Canyon Inyokern La Panza NE Las Yeguas Ranch Lebec Liebre Twins McKittrick Summit Mettler Mojave Mojave NE1/4 Mojave NW1/4	Monolith North of Oildale Oil Center Oildale Orchard Peak Packwood Creek Pastoria Creek Pearsonville Pleito Hills Pond Ridgecrest North Ridgecrest South Rio Bravo Ranch Saltdale SE Santiago Creek	Sawmill Mountain Taft Tehachapi South Tylerhorse Canyon White Hills Winters Ridge
Lake Figure 4A Figure 4B	Clearlake Highlands Elk Mountain	Hull Mountain Jericho Valley	Kelseyville Lake Pillsbury	Potato Hill Sanhedrin Mtn.
Lassen Figure 4G	Calneva Lake Constantia Doyle	Herlong McKesick Peak MilfordPittville	Snake Lake Standish Stony Ridge	Swains Hole
Los Angeles Figure 4D Figure 4E	Beverly Hills Burbank Burnt Peak Del Sur El Monte Frazier Mtn. Hollywood Inglewood	Juniper Hills La Habra La Liebre Ranch Lake Hughes Lebec Liebre Mtn. Littlerock Long Beach	Los Alamitos Los Angeles Malibu Beach Mescal Creek Mount San Antonio Mt. Wilson Newhall Oat Mountain	Palmdale Point Dume Ritter Ridge San Fernando Sleepy Valley Sunland Torrance Valyermo
Marin Figure 4B	Bodega Head Bolinas	Double Point Drakes Bay	Inverness Point Reyes NE	Tomales Valley Ford
Mendocino Figure 4A Figure 4B	Elledge Peak Gualala Hopland Laytonville	Longvale Mallo Pass Creek Ornbaun Valley SW1/4 Point Arena	Point Arena NE1/4 Purdys Gardens Redwood Valley Sanhedrin Mtn.	Ukiah Willits NE Willits NW Willits SE
Merced Figure 4C	Crevison Peak Los Banos Valley	Ortigalita Peak Ortigalita Peak NW	Pacheco Pass San Luis Dam
Modoc Figure 4G	Cedarville Eagle Peak	Eagleville Fort Bidwell	Lake City Snake Lake	Timbered Crater Warren Peak
Mono Figure 4H Figure 4I	Bishop NE1/4 Bishop NW1/4 Bodie NW1/4 Bodie SW1/4 Bridgeport SW1/4 Casa Diablo Mtn. SW1/4 Chocolate Mtn. Desert Creek Peak SW1/4	Devils Postpile NE1/4 Dyer Fales Hot Springs Fales Hot Springs SE1/4 Indian Garden Creek Matterhorn Peak NE1/4 Mono Craters NE1/4 Mono Craters NW1/4	Mono Craters SE1/4 Montgomery Peak NW Montgomery Peak SW Mt. Morgan Mt. Morrison NE1/4 Mt. Morrison NW1/4 Mt. Morrison SE1/4 Rovana	Station Peak Topaz Lake NE1/4 Topaz Lake SE1/4 White Mtn. SE White Mtn. SW
Monterey Figure 4C	Cholame Hills Cholame Valley Hepsedam Peak	Lonoak Monarch Peak Parkfield	Priest Valley Slack Canyon Smith Mountain	Stockdale Mountain
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Napa Figure 4B	Cordelia Cuttings Wharf	Jericho Valley Knoxville Mt. George
Orange Figure 4E	La Habra Los Alamitos	Newport Beach Prado Dam	Seal Beach Yorba Linda
Riverside Figure 4E Figure 4F	Alberhill Beaumont Bucksnort Mtn. Cabazon Cathedral City Clark Lake NE Collins Valley Corona South Desert Hot Springs Durmid El Casco Elsinore Frink NW	Hemet Hemet NE1/4 Idyllwild NW1/4 Idyllwild SE1/4 Idyllwild SW1/4 Indio Joshua Tree South Lake Mathews Lakeview Lost Horse Mtn. SW1/4 Mecca Morongo Valley SE1/4 Morongo Valley SW1/4	Mortmar Murrieta Myoma Orocopia Canyon Palm Desert SW1/4 Pechanga Redlands Salton San Gorgonio Mountain SE1/4 San Gorgonio Mountain SW1/4 San Jacinto	Seven Palms Valley Sunnymead Temecula Thermal Canyon Thousand Palms NE1/4 White Water Wildomar Yucca Valley South
San Benito Figure 4C	Bickmore Canyon Cherry Peak Chittenden Hepsedam Peak	Hollister Monarch Peak Mt. Harlan Paicines	Rock Spring Peak San Benito San Felipe San Juan Bautista	Three Sisters Topo Valley Tres Pinos Watsonville East
San Bernardino Figure 4E Figure 4F Figure 4J	Apple Valley North Apple Valley South Avawatz Pass SW1/4 Barstow Barstow SE Big Bear City Bighorn Canyon Bird Spring Cady Mountains NW1/4 Cajon Camp Rock Mine Confidence Hills East Copper Queen Canyon Cougar Buttes Cucamonga Peak Cuddeback Lake NW1/4 Daggett Deadman Lake NW Deadman Lake SE Deadman Lake SW Devore East of Owl Lake El Paso Peaks Emerson Lake Fairview Valley	Fawnskin Fifteenmile Valley Fremont Peak Fry Mountains Galway Lake Goat Mountain Grand View Mine Harrison Mtn. Harvard Hill Hector Hidalgo Mtn. Hidden Spring Iron Ridge Joshua Tree North Joshua Tree South Keller Peak Klinker Mtn. Kramer Hills Landers Lavic Lake Lavic SE Leach Lake SE1/4 Leach Lake SW1/4 Lockhart Lucerne Valley	Melville Lake Minneola Morongo Valley SE1/4 Morongo Valley SW1/4 Mount San Antonio Mt. Baldy Mud Hills Newberry NE1/4 Newberry Springs Old Ibex Pass Old Woman Springs Opal Mountain Orchard Peak Ord Mountain Quail Mountains SE1/4 Quail Mountains SW1/4 Queen Mtn. Rattlesnake Canyon Redlands San Bernardino North San Bernardino South San Gorgonio Mountain SE1/4 San Gorgonio Mountain SW1/4	Searles Lake SE1/4 Silver Bell Mine Sourdough Spring Spangler Hills East Sunfair Sunshine Peak Superior Lake Telegraph Peak The Buttes Troy Lake Turtle Valley Twentynine Palms Twentynine Palms Mountain Valley Mtn. Water Valley West Ord Mtn. Wingate Pass Wingate Pass SE1/4 Wingate Pass SW1/4 Yermo Yucaipa Yucca Valley North Yucca Valley South
San Diego Figure 4F	Agua Caliente Springs Arroyo Tapiado Borrego Mountain Borrego Mountain SE Borrego Palm Canyon Borrego Sink	Carrizo Mtn. Clark Lake Clark Lake NE Collins Valley Earthquake Valley Fonts Point	Julian La Jolla Mesa Grande Monument Peak Pala Pechanga	Point Loma Ranchita Shell Reef Sweeney Pass Warners Ranch
San Luis Obispo Figure 4C Figure 4D	Ballinger Canyon Burro Mountain Cholame Cholame Valley Cuyama Elkhorn Hills	Holland Canyon La Panza NE Las Yeguas Ranch Lonoak Maricopa McKittrick Summit	Orchard Peak Packwood Creek Painted Rock Panorama Hills Piedras Blancas San Luis Obispo	San Simeon Simmler Wells Ranch
San Mateo Figure 4B	Ano Nuevo Franklin Point Half Moon Bay	Mindego Hill Montara Mountain Palo Alto	San Francisco South San Mateo Woodside
Santa Barbara Figure 4D	Zaca Creek
Santa Clara Figure 4B Figure 4C	Calaveras Reservoir Castle Rock Ridge Chittenden Cupertino Eylar Mountain	Gilroy Gilroy Hot Springs Laurel Lick Observatory Los Gatos	Milpitas Mindego Hill Morgan Hill Mt. Day Mt. Sizer	San Felipe San Jose East Watsonville East
Santa Cruz Figure 4B Figure 4C	Ano Nuevo Chittenden	Laurel Loma Prieta	Los Gatos Mt. Madonna	Watsonville East Watsonville West
Shasta Figure 4G	Burney Burney Falls Cassel Coble Mountain	Dana Day Fall River MillsHogback Ridge	Jellico Murken Bench Old Station Pittville	Swains Hole Timbered Crater
Siskiyou Figure 4G	Bray Dorris East of Pondosa Garner Mtn.	Indian Spring Mountain Macdoel Porcupine Butte Rainbow Mountain	Red Rock Lakes Sams Neck Sharp Mtn. Sheep Mountain	Tennant Timbered Crater
Solano Figure 4B	Cordelia Fairfield South	Mt. George Vine Hill (formerly Port Chicago)
Sonoma Figure 4B	Annapolis Arched Rock Asti Bodega Head Cotati	Duncans Mills Fort Ross Geyserville Glen Ellen Healdsburg	Jimtown Mark West Springs Mount St. Helena Ornbaun Valley SW1/4 Petaluma River	Plantation Santa Rosa Sears Point Stewarts Point Valley Ford
Stanislaus Figure 4C	Crevison Peak Mustang Peak
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Ventura Figure 4D	Camarillo Cuddy Valley Fillmore Frazier Mtn.	Matilija Moorpark) Newberry Park Oja	Pitas Point Santa Paula Santa Paula Peak Saticoy	Simi Valley East Simi Valley West Ventura
Yolo Figure 4B	Jericho Valley

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California Geological Survey - Alquist-Priolo Earthquake Fault Zones

EARTHQUAKE FAULT ZONES AFFECTING COUNTIES

A-I

N-S Return to top of page

V-Y Return to top of page

EARTHQUAKE FAULT ZONES
AFFECTING COUNTIES

N-S
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V-Y
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