GPS measurements made since 1996 seem to show this earthquake-prone area slowing down. Is it time to relax? Scientists who studied these data in detail say no, and this fact sheet explains why.
National seismic hazards maps, global seismic hazards map, predictive intensity maps, shaking hazards maps and probabilities for California, and a variety of fact sheets on earthquakes.
Provides links to explanatory materials for the layperson, including information on concepts behind earthquake maps, the use of probability, what the maps mean, how they are made, and answers to frequently asked questions.
Information on earthquakes in central and eastern United States with links to earthquake monitoring, published products, recent earthquake information, discussion group, and current projects.
Shows where earthquakes occur here, the type of damage that has occurred, and the information that USGS provides to help people anticipate and understand this hazard.
Critical pre- and post-disaster images and datasets available online for immediate viewing and downloading. Includes the Hazards Data Distribution System, an interactive map interface.
Describes strategy of volcano warnings and the real-time detection of a sudden eruption or lahar and immediate notification of the activity to the public and local, state, and federal emergency-management officials.
Provides detailed technical information on earthquake hazards in the form of frequently asked questions. Designed for the technical audience, including building and safety planners.