Links to research studies, conservation information, and general information on desert tortoises at the Western Ecological Research Center in Sacramento, California.
Digital image maps documenting the amount of change in open space between 1984 and 1997 within the study area and document where these changes have occurred in order to effectively evaluate change in big game habitat.
Homepage for Earth Surface Processes Team with research studies in two general categories: climate change and geologic mapping. Links to research activities, available data sets, workshop, and programs.
Article in the May 28, 1998 issue of Volcano Watch describing of correlation of earth tides to volcanic eruptions and value in monitoring underground magma movement with deformation measurement instruments including tiltmeters and strainmeters.
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.
U.S. Department of the Interior |
U.S. Geological Survey