CGS Seismic Hazards Program: Overlapping Landslide and Liquefaction 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 e Risorse

Campo Valore
accessLevel public
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identifier d4196482-8940-4494-ac7a-4263d44dfacc
issued 2017-10-11T15:59:47.000Z
modified 2021-09-29T21:04:24.000Z
publisher California Department of Conservation
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  • earthquake-hazard-identification-and-mitigation
  • earthquake-hazards
  • geo
  • geoscientificinformation
  • geoss
  • landslides
  • liquefaction
  • national
  • north-america
  • planningcadastre
  • seismic-hazard-zone-map
  • united-states
  • usa
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maintainer gis_cadoc
maintainer_email gis@conservation.ca.gov
metadata_created 2025-11-21T01:09:40.912671
metadata_modified 2025-11-21T01:09:40.912675
notes 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.
num_resources 6
num_tags 23
title CGS Seismic Hazards Program: Overlapping Landslide and Liquefaction Zones