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18 datasets

CNRA Open Data Platform Metadata Schema

Published by: California Natural Resources Agency
Last updated: Friday, May 30, 2025
File types: EXCEL (XLSX), HTML, GEOJSON

included in this dataset are helpful links and files on the metadata schema for the CNRA Open Data Platform...

CGS Mineral Hazards: Indoor Radon Potential Study Areas

Published by: California Department of Conservation
Last updated: Monday, June 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Study area boundaries for indoor radon potential conducted by the California Geological Survey....

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Wednesday, May 28, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This post primacy aquifer exemption data depicts areas exempted by the US EPA for Class II injection after the March 14, 1983 Primacy agreement betwee...

CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude 5.0-plus)

Published by: California Department of Conservation
Last updated: Monday, June 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = ...

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Wednesday, May 28, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This post primacy aquifer exemption data depicts areas exempted by the US EPA for Class II injection after the March 14, 1983 Primacy agreement betwee...

CGS Mineral Hazards: Indoor Radon Potential Zones

Published by: California Department of Conservation
Last updated: Monday, June 2, 2025
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...

DMR All Mines

Published by: California Department of Conservation
Last updated: Monday, June 2, 2025
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 Information Warehouse: Tsunami Inundation Maps

Published by: California Department of Conservation
Last updated: Tuesday, June 3, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

Geologic Map of California (2010)

Published by: California Department of Conservation
Last updated: Sunday, June 1, 2025
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...

CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)

Published by: California Department of Conservation
Last updated: Monday, June 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents simplified geologic units that have been correlated to the time-averaged seismic shear-wave velocity in the upper 30 meters of...