Introduction to the Hazard Maps
What are the USGS National Seismic Hazard Maps and how are they used?
Click on the link and select "Earthquake Hazards" under topic.
Earthquake Hazards 101-The Basics
Information on earthquake hazards, including the definition of an earthquake hazard, a hazard map, using probabilistic ground motion for hazard determination, and more.
Earthquake Hazards 201-Technical Q&A
A list of technical questions & answers about earthquake hazards.