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84 datasets

CGS Alquist Priolo Fault Zones

  • Published by: California Department of Conservation
  • Last updated: Saturday, April 11, 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...

CDEC Water Year Type Dataset

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 11, 2026
  • File types: XLSX

URL: https://data.cnra.ca.gov/dataset/8f7c9792-652a-4f5e-95ad-707961dfc3f5/resource/da64051a-7751-48e1-ab59-39c73a3ea52d/download/cdec-water-year-type...

CGS Mineral Hazards: Indoor Radon Potential Zones

  • Published by: California Department of Conservation
  • Last updated: Sunday, April 12, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

CGS SHZ Unevaluated Areas

  • Published by: California Department of Conservation
  • Last updated: Saturday, April 11, 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...

DSM2 Input 2025-09-18 historical update

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 11, 2026
  • File types: ZIP, HTML

Version "DSM2 Input 2025-09-18 historical update" is based on version "DSM2 Input 2025-07-03 historical update", and includes the following changes: ...

NASA JPL InSAR Subsidence Data (Superseded)

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 11, 2026
  • File types: PDF

### This dataset has been superseded by https://data.cnra.ca.gov/dataset/tre-altamira-insar-subsidence This dataset represents measurements of ve...

Geologic Map of California (2010)

  • Published by: California Department of Conservation
  • Last updated: Saturday, April 11, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This edition of the Geologic Map of California was prepared in recognition of the California Geological Survey's 150th Anniversary. It is an all-digit...

DMR All Mines

  • Published by: California Department of Conservation
  • Last updated: Sunday, April 12, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, OGC WFS, CSV, ZIP, GEOJSON, KML

This service presents location, status, and other information regarding mining operations regulated under the Surface Mining and Reclamation Act of 1...

CGS Landslide Zones

  • Published by: California Department of Conservation
  • Last updated: Sunday, April 12, 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: Saturday, April 11, 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...