Potential dangers from both natural processes (e.g., earthquakes, floods, and climate change) and human impacts on the environment.
Flood frequency [ More info] Links to Office of Surface Water memos, reference publications, training guides, and software for computing flood frequency.
Flood of April and May 2008 in Northern Maine [ More info] Characteristics and effects of a flood in this area.
Forecasting California's earthquakes - What can we expect in the next 30 years? [ More info] Shows how we know severe earthquakes will occur and where.
Geographic Analysis and Monitoring Program [ More info] Geographic Analysis and Monitoring Program (GAM) conducts studies about land surface change, environmental and human health, fire and urban ecology, and natural hazards to help decision-makers in land-use planning and land management.
Geographic Analysis and Monitoring Program current studies [ More info] Links to current Geographic Analysis and Monitoring (GAM)studies.
Geologic hazards at volcanoes [ More info] Poster diagram showing the various hazards that accompany volcanic activity as they relate to the structure of the volcano.
Geologic hazards team [ More info] An organizational unit within USGS that studies earthquakes, landslides, and geomagnetism. Contact information and descriptions of current research projects.
Geologic hazards: landslide images [ More info] Photographs of examples of landslides viewable online as 100-200kb or 800 x 600kb images.
Geologic history of Long Valley Caldera and the Mono-Inyo Craters volcanic chain, California [ More info] Summarizes the geologic and volcanic activity of the Long Valley Caldera and Mono-Inyo Craters volcanic chain in east central California.
Geology research and information [ More info] Alternative web access to geological, geochemical, and geophysical research programs that are divided among the new USGS mission areas.
Alphabetical Index of Topics
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