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CGS Seismic Hazards Program: Liquefaction Zones

Published by California Department of Conservation | State of California | Catalog Last Checked: December 28, 2025 at 07:19 PM | Dataset Last Updated: November 19, 2025 at 05:47 PM
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.

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