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Found 27 datasets matching filters. (clear all filters)

  • #1 State

    California Landslide InventoryThe statewide landslide map database shows many of the landslides mapped by CGS and others over the past 50 years. Each feature includes a database record showing at...

    Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: December 28, 2025 at 07:20 PM
  • #2 State

    California is a veritable treasure chest of nationally acclaimed natural landmarks and much adored scenery. This geologic legacy on display in the landscape can be observed throughout California's...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: December 28, 2025 at 07:21 PM
  • #3 State

    "This digital database contains the faults shown on the Fault Activity Map of California by Charles W. Jennings and William A. Bryant published in 2010. The map shows locations of known faults...

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: December 28, 2025 at 07:21 PM
  • #4 State

    This is a digital Seismic Hazard Zone Map presenting areas where liquefaction may occur during a strong earthquake. Developers of properties falling within a seismic hazard zone may be required to...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #5 State

    Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To address mineral resource...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:20 PM
  • #6 Federal

    Well data were mined from Geothermal Prospector (GTP), Southern Methodist University (SMU), the Colorado Oil and Gas Conservation Commission (COGCC), and the Colorado Geological Survey (CGS). The...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 25, 2026 at 08:42 AM
  • #7 State

    This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for homes to exceed the U.S. EPA recommended radon...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:23 PM
  • #8 State

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

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #9 State

    This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards, referred to as seismic hazard...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #10 State

    The California Earthquake Hazards Zone Application ("EQ Zapp") is an onlin​e map that allows anyone with a computer, tablet or smartphone to conveniently check whether a property is in an...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 08:19 PM
  • #11 State

    This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards, referred to as seismic hazard...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 26, 2026 at 07:36 PM
  • #12 State

    This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. The dataset is comprised of polygons that form regulatory zone...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #13 State

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

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:23 PM
  • #14 Federal

    The objectives of this project were to (1) perform a literature review of sedimentary geothermal resources, (2) identify data sources and develop data-collection methodologies that characterize...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 25, 2026 at 08:42 AM
  • #15 State

    This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards, referred to as seismic hazard...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #16 State

    The Susceptibility to Deep-Seated Landslides map covers the entire state of California and was originally published in May of 2011 as CGS Map Sheet 58. It made use of several data layers of...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 27, 2026 at 07:20 PM
  • #17 State

    Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To address mineral resource...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:23 PM
  • #18 State

    Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stability problem areas. Preparation of these maps...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:21 PM
  • #19 State

    This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards, referred to as seismic hazard...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:19 PM
  • #20 State

    The California Earthquake Hazards Zone Application ("EQ Zapp") is an onlin​e map that allows anyone with a computer, tablet or smartphone to conveniently check whether a property is in an...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 28, 2025 at 07:21 PM

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