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104 datasets

DMR Lead Agencies

  • Published by: California Department of Conservation
  • Last updated: Wednesday, July 15, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Boundaries of lead agencies responsible under SMARA for regulating mine reclamation....

Primacy Aquifer Exemptions

  • Published by: California Department of Conservation
  • Last updated: Wednesday, July 15, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a partial rendition of the CalGEM (formerly the California Division of Oil, Gas, and Geothermal Resources) publication called Californ...

CGS Seismic Hazards Program: Liquefaction Zones

  • Published by: California Department of Conservation
  • Last updated: Wednesday, July 15, 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...

Post Primacy Aquifer Exemptions

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • 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...

Map Sheet 48 (2025 update) - Ground Motion from PGV (10% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from PGA (2% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from SA20 (10% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from SA20 (2% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from SA10 (10% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from SA10 (2% in 50 years)

  • Published by: California Department of Conservation
  • Last updated: Tuesday, July 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...