The index map below identifies all Official Maps of Earthquake Fault Zones delineated by the California Geological Survey through December 2010 under the Alquist-Priolo Earthquake Fault Zoning Act. Individual Earthquake Fault Zone Maps can be viewed on screen. Digital image files (pdf) and Geographic Information System files (GIS) of individual maps can be downloaded by selecting a specific quadrangle map.
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You can select the affected city/county from the drop down list, or enter the property's street address to view the appropriate Earthquake Fault Zone Map.  

Affected Counties Select a CountyState ViewAlamedaAlpineButteContra CostaFresnoHumboldtImperialInyoKernLakeLassenLos AngelesMarinMendocinoMercedModocMonoMontereyNapaOrangeRiversideSan BenitoSan BernardinoSan DiegoSan Luis ObispoSan MateoSanta BarbaraSanta ClaraSanta CruzShastaSiskiyouSolanoSonomaStanislausVenturaYolo Affected Cities Select a CityState ViewAmerican CanyonArcadiaArcataBakersfieldBanningBarstowBeaumontBeniciaBerkeleyBishopBreaCalimesaCamarilloCarsonCathedral CityChino HillsCoachellaColtonComptonConcordCoronaCoronadoCulver CityDaly CityDanvilleDesert Hot SpringsDublinEl CerritoFairfieldFontanaFortunaFremontGardenaGlendaleHaywardHemetHighlandHollisterHuntington BeachIndioInglewoodLa HabraLa Habra HeightsLake ElsinoreLivermoreLoma LindaLong BeachLos AngelesMalibuMammoth LakesMilpitasMonroviaMoorparkMoreno ValleyMorgan HillMurrietaOaklandPacificaPalmdalePalm SpringsPalo AltoPasadenaPetalumaPleasantonPortola ValleyRancho CucamongaRedlandsRialtoRichmondRidgecrestRosemeadSan BernardinoSan BrunoSan DiegoSan FernandoSan JacintoSan JoseSan Juan BautistaSan LeandroSan Luis ObispoSan MarinoSan PabloSan RamonSanta ClaritaSanta RosaSeal BeachSignal HillSimi ValleySouth PasadenaSouth San FranciscoTemeculaTrinidadTwentynine PalmsUnion CityUplandVenturaWalnut CreekWhittierWildomarWillitsWindsorWoodsideYorba LindaYucaipaYucca Valley

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