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The California Geological Survey's interactive map allows users to identify the location and classification of faults throughout California. Information available includes the age of the most recent activity on each fault segment, surface rupture areas, and whether or not the faults are visible at the surface.
11 Απρ 2022 · Fault Activity Map of California To provide information for those concerned with land use on or near geologic faults in California. Tile Layer by California Department of Conservation
The 2010 Fault Activity Map of California presents a much more detailed depiction of faults in California than previous versions. Faults active in the Quaternary (2.6 Ma) were digitized from their original sources in order to preserve as much of the original detail as possible.
Interactive map application for exploring California's fault activity and geologic hazards.
The California Geological Survey's interactive geological map allows users to identify the different rock types and fault lines throughout California. In addition to the web viewer, the GIS data can be downloaded for further use.
Regulatory Zones: Alquist-Priolo and Seismic Hazard zones require that additional study be conducted prior to certain types of construction in areas with established risk for fault surface rupture and earthquake induced landslides or liquefaction.
