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Near Source Zones

This dataset presents areas where an additional factor should be used to reduce risk to property and life in the event of an earthquake. The near-source maps are based on research in which most buildings that collapse or have severe damage after an earthquake are located within five kilometers (three miles) of […]

California Hazard Maps

CGS 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 […]