CGS Seismic Hazards Program: Liquefaction Zones

Liquefaction Zones (Map or Tile 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 and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier f22bab5a-fa6e-4b48-8038-2ecdddd9e06c
issued 2017-10-11T15:48:36.000Z
modified 2021-09-29T21:04:00.000Z
publisher California Department of Conservation
resource-type Dataset
source_datajson_identifier true
source_hash cc4c07a3a64a99dcdaefb68cbfd7f3f2484d6111
source_schema_version 1.1
theme {"Natural Resources"}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • california-department-of-conservation
  • california-geological-survey
  • california-natural-resources-agency
  • caopendata
  • cgs
  • ckan
  • doc
  • geo
  • geoss
  • 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 2025-11-22T22:30:47.544424
metadata_modified 2025-11-22T22:30:47.544429
notes <div style='text-align:Left;'><div><div><p><span>Liquefaction Zones (Map or Tile 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