Place to provide information about ground shaking associated with significant earthquakes. A questionnaire to let us know what you felt following an earthquake in the United States or in other countries.
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.
Near-real-time maps of location, ground motion, and shaking intensity of earthquakes in California and Nevada for the past hour, past day, and past week and links to other earthquake information.
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.
Provides detailed technical information on earthquake hazards in the form of frequently asked questions. Desisigned for the technical audience, including building and safety planners.
Information on earthquakes in central and eastern United States with links to earthquake monitoring, published products, recent earthquake information, discussion group, and current projects.
Home page for Northern California Earthquake Hazards Program with links to earthquake news, real-time earthquake and shaking maps, earthquake probabilities, latest earthquake information, hazards and preparedness, research and special features.
Site for the Southern California Earthquake Hazards Program with links to latest quake information, real-time earthquake maps and shaking maps, general information, hazards and preparedness, research, networks, and earthquakes for kids.
U.S. Department of the Interior |
U.S. Geological Survey