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6 datasets

California Landslide Inventory and Deep Landslide Susceptiblity

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API

California Landslide InventoryThe statewide landslide map database shows many of the landslides mapped by CGS and others over the past 50 years. Each ...

CGS Seismic Hazards Program: Landslide Zones

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 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 Information Warehouse: Landslide Maps and Reports

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 2025
  • 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 Map Sheet 58: Deep-Seated Landslide Susceptibility

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 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...

CGS Seismic Hazards Program: Unevaluated Areas

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 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 Information Warehouse: Regulatory Maps

  • Published by: California Department of Conservation
  • Last updated: Wednesday, April 9, 2025
  • 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...