CGS Seismic Hazards Program: Landslide Zones

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.

Data and Resources

Field Value
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identifier 31258b5f-99d9-43de-982f-270cd6f0b2a5
issued 2017-10-11T15:46:15.000Z
license http://www.opendefinition.org/licenses/cc-by
modified 2024-11-20T20:32:58.008Z
publisher California Department of Conservation
resource-type Dataset
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theme {"Natural Resources"}
Groups
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  • National Provider
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Tags
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  • california-department-of-conservation
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  • california-natural-resources-agency
  • caopendata
  • cgs
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  • earthquake-hazard-identification-and-mitigation
  • earthquake-hazards
  • landslides
  • liquefaction
  • seismic-hazard-zone-map
  • usa
isopen False
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maintainer gis_cadoc
maintainer_email gis@conservation.ca.gov
metadata_created 2025-09-24T08:24:36.164824
metadata_modified 2025-09-24T08:24:36.164831
notes <div style='text-align:justify;'>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.</div>
num_resources 11
num_tags 21
title CGS Seismic Hazards Program: Landslide Zones