California Department of Conservation
Website: https://www.conservation.ca.gov/
The Department of Conservation balances today's needs with tomorrow's challenges and fosters intelligent, sustainable, and efficient use of California's energy, land, and mineral resources.
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90 datasets
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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...
Map Sheet 48 (2025 update) - MMI from PGV (2% in 50 years)
- Published by: California Department of Conservation
- Last updated: Monday, January 5, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API
The California Geological Survey (CGS) Map Sheet 48 (MS48) provides a depiction of expected ground shaking intensity from future earthquakes across th...
CGS SHZ Unevaluated Areas
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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 and landslides may occur during a strong earthquake. Three types of geol...
CGS Seismic Hazards Program: Unevaluated Areas
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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 and landslides may occur during a strong earthquake. Three types of geol...
Earthquake Zones of Required Investigation Maps and Reports
- Published by: California Department of Conservation
- Last updated: Monday, January 5, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API
The Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory &q...
CGS Landslide Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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 and landslides may occur during a strong earthquake. Three types of geol...
CGS Seismic Hazards Program: Landslide Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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 and landslides may occur during a strong earthquake. Three types of geol...
RegMapsLinks 20251120
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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...
Regulatory Maps
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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 Liquefaction Zones
- Published by: California Department of Conservation
- Last updated: Tuesday, January 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...