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24 datasets

CGS Information Warehouse: Regulatory Maps

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "...

CGS Information Warehouse: Tsunami Inundation Maps

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

Produced collectively by tsunami modelers, geologic hazard mapping specialists, and emergency planning scientists from the University of Southern Cali...

CGS Seismic Hazards Program: Unevaluated Areas

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, OGC WFS, OGC WMS, CSV, GEOJSON, ZIP, KML

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: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

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: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

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: Liquefaction Zones

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

Liquefaction Zones (Feature Service)This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a st...

CGS Seismic Hazards Program: Liquefaction Zones

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, OGC WFS, OGC WMS, CSV, GEOJSON, ZIP, KML

Liquefaction Zones (Map or Tile Service)This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during ...

CGS Seismic Hazards Program: Fault Traces

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, OGC WMS, CSV, GEOJSON, ZIP, KML

This data set contains the Alquist-Priolo Earthquake Fault Zones and fault traces as shown on the Official Alquist-Priolo Earthquake Fault Zones Map o...

CGS Information Warehouse: Landslide Maps and Reports

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stabili...

CGS Mineral Hazards: Indoor Radon Potential Zones

  • Published by: California Department of Conservation
  • Last updated: Monday, November 25, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for home...

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