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.
Data files
| Data title and description | Access data | File details | Last updated |
|---|---|---|---|
CSV | Download | CSV | 03/13/25 |
Shapefile | Download | ZIP | 03/13/25 |
GeoJSON | Download | GEOJSON | 03/13/25 |
KML | Download | KML | 03/13/25 |
File Geodatabase | Download | ZIP | 03/13/25 |
Feature Collection | Download | TXT | 03/13/25 |