Search results
90 datasets
CGS Alquist Priolo Fault Zones
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB
This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. The dataset is c...
WellSTAR Oil and Gas Facilities: Boundaries
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This online map displays facility sites in group or by facility types in separate layers: Facility Boundary layer digitized by CalGEM to show the area...
Regulatory Maps
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory &q...
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The Susceptibility to Deep-Seated Landslides map covers the entire state of California and was originally published in May of 2011 as CGS Map Sheet 58...
DMR Lead Agencies
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Boundaries of lead agencies responsible under SMARA for regulating mine reclamation....
Primacy Aquifer Exemptions
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset is a partial rendition of the CalGEM (formerly the California Division of Oil, Gas, and Geothermal Resources) publication called Californ...
CGS Information Warehouse: Landslide Maps and Reports
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stabili...
CGS Information Warehouse: Mineral Land Classification Maps (SMARA Study Areas)
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq...
CGS Information Warehouse: Mineral Land Classification Maps (SMARA Petitions)
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq...
CGS Seismic Hazards Program: Liquefaction Zones
- Published by: California Department of Conservation
- Last updated: Friday, February 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB
This is a digital Seismic Hazard Zone Map presenting areas where liquefaction may occur during a strong earthquake. Developers of properties falling w...