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9 datasets

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

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

CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)

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

The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each updat...

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

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

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 Map Sheet 48: Fault-based seismic sources used in the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3)

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

Data show fault-based seismic sources used in the time-independent component of the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3)...

CGS Map Sheet 48: National Loss from Earthquake Damage, Conterminous United States (2014 Estimate)

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

"Annualized Earthquake Losses (AEL) are economic losses from earthquake shaking-related building damage. These data use the most recent National Seism...

i08 B118 CA GroundwaterBasins

  • Published by: California Department of Water Resources
  • Last updated: Saturday, November 30, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API

The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...

i03 Groundwater Sustainability Agencies MapService

  • Published by: California Department of Water Resources
  • Last updated: Sunday, December 1, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...

i03 Groundwater Sustainability Plan Areas MapService

  • Published by: California Department of Water Resources
  • Last updated: Sunday, December 1, 2024
  • File types: HTML, ARCGIS GEOSERVICES REST API

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...

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