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88 datasets
CGS Landslide Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- 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 and landslides may occur during a strong earthquake. Three types of geol...
CGS Seismic Hazards Program: Alquist-Priolo Fault Hazard Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- 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...
CGS Alquist Priolo Fault Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- 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...
RegMapsLinks 20251120
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- 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...
Regulatory Maps
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- 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 Information Warehouse: Mineral Lands Classification
- Published by: California Department of Conservation
- Last updated: Monday, December 29, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API
Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 ...
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
- Published by: California Department of Conservation
- Last updated: Monday, December 29, 2025
- 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...
Oil and Gas Field Administrative Boundaries
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Administrative boundaries for oil and gas fields in California.CalGEM is the Geologic Energy Management Division of the California Department of Conse...
Oil and Gas Field Administrative Boundaries
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Administrative boundaries for oil and gas fields in California.CalGEM is the Geologic Energy Management Division of the California Department of Conse...
WellSTAR Underground Gas Storage: Project Boundaries
- Published by: California Department of Conservation
- Last updated: Tuesday, December 30, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This online map displays California’s active Underground Gas Storage (UGS) projects and wells associated to UGS projects. Project data and well data a...