CGS Seismic Hazards Program: 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
Last updated: 2025-07-23T16:30:30.481243
Tags: california-department-of-conservation, california-geological-survey, california-natural-resources-agency, caopendata, cgs, doc, liquefaction