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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    CGS Seismic Hazards Program: Liquefaction Zones

    Metadata Updated: July 23, 2025

    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 zones, may be featured on the map: 1) liquefaction, 2) earthquake-induced landslides, and 3) overlapping liquefaction and earthquake-induced landslides. In addition, a fourth feature may be included representing areas not evaluated for liquefaction or earthquake-induced landslides. Developers of properties falling within any of the three zones may be required to investigate the potential hazard and mitigate its threat during the local permitting process.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date August 25, 2023
    Metadata Updated Date July 23, 2025

    Metadata Source

    Harvested from State of California

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date August 25, 2023
    Metadata Updated Date July 23, 2025
    Publisher California Department of Conservation
    Maintainer
    Identifier b138f577-9f27-488b-a0ad-c80f449dc6a7
    Data First Published 2017-10-11T15:50:56.000Z
    Data Last Modified 2024-11-20T20:06:01.356Z
    Category Natural Resources
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id f123f0d4-768a-41fe-85d6-7b63e8f1bb24
    Harvest Source Id 3ba8a0c1-5dc2-4897-940f-81922d3cf8bc
    Harvest Source Title State of California
    License http://www.opendefinition.org/licenses/cc-by
    Source Datajson Identifier True
    Source Hash 6b396ebbb7280d2a1a1ec9a5404bf2965ccfd46461185423846a87cc8e3605ea
    Source Schema Version 1.1

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