Seismic Hazard Maps and Data
The U.S. Geological Survey (USGS) National Seismic Hazard Maps display earthquake ground motions for various probability levels across the United States and are applied in seismic provisions of building codes, insurance rate structures, risk assessments, and other public policy.
Versions available: 1998
Versions available: 2003
USGS Open-File Report 2012-1015: Seismic Hazard Assessment for Guam and the Northern Mariana Islands
USGS Open-File Report 2012-1087: Seismic Hazard of American Samoa and Neighboring South Pacific Islands—Data, Methods, Parameters, and Results