CGS Seismic Hazards Program: Liquefaction Zones

Liquefaction Zones (Feature Service)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 e Risorse

Campo Valore
accessLevel public
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identifier 869fc933-73a9-4c03-9819-260261bf58a2
issued 2017-10-11T15:50:56.000Z
modified 2022-02-11T23:00:22.000Z
publisher California Department of Conservation
resource-type Dataset
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Gruppi
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  • amerigeoss
  • california-department-of-conservation
  • california-geological-survey
  • california-natural-resources-agency
  • caopendata
  • cgs
  • ckan
  • doc
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  • national
  • north-america
  • united-states
isopen False
license_id notspecified
license_title License not specified
maintainer gis_cadoc
maintainer_email gis@conservation.ca.gov
metadata_created 2025-11-22T04:14:54.168764
metadata_modified 2025-11-22T04:14:54.168768
notes <div style='text-align:Left;'><div><div><p><span>Liquefaction Zones (Feature Service)</span></p><p><span>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.</span></p></div></div></div>
num_resources 6
num_tags 14
title CGS Seismic Hazards Program: Liquefaction Zones