Tag Archives: Earthquake Maps

California Hazard Maps

cgsCGS has developed a new online tool that allows you to search all of CGS’s Regulatory Maps, Landslide Maps and Tsunami Maps with related reports and GIS data.  The new tool is now officially accessible through CGS’s home page.  See below for a brief list of what the warehouse has to offer within each of the 3 categories.  You will want to bookmark this link as we continue to add more products to the warehouse.


Regulatory Maps include:

  • Alquist-Priolo Fault Zone Maps
  • Alquist-Priolo Fault Zones – GIS data
  • Fault Evaluation Reports
  • Seismic Hazard Zone Maps
  • Seismic Hazard Zone Reports
  • Seismic Hazard Zones – GIS data

Landslide Maps include:

  • Landslide Inventory Maps
  • Landslide maps (digital scans) from CGS Open-File Reports, Special Reports
  • Watershed Mapping Series Maps
  • Landslide Corridor Maps
  • This is not a complete list as we continue to add more

Tsunami Maps include:

  • Tsunami Inundation Zone Maps
  • Links to local resources for preparedness activities