CGS Liquefaction Zones

This is a digital Seismic Hazard Zone Map presenting areas where liquefaction may occur during a strong earthquake. Developers of properties falling within a seismic hazard zone may be required to investigate the potential hazard and mitigate its threat during the local permitting process.
Organization: State of California
Organization URL: https://catalog.data.gov/organization/california
Last updated: 2025-11-19T17:47:57.353Z
Tags: CGS, CNRA, California, California Department of Conservation, California Geological Survey, California Natural Resources Agency, DOC, Seismic Hazard Zone Map, USA, california department of conservation, earthquake hazard identification and mitigation, earthquake hazards, liquefaction