Downslope movement of rock, soil, or artificial fill under the influences of gravity.
Real-time monitoring of landslides [ More info] USGS real-time landslide monitoring provides prompt notification of landslide activity, advances our understanding of landslide behavior, and enables more effective engineering and planning efforts.
Riding the storm -- landslide danger in the San Francisco Bay Area [ More info] Video: Learn what USGS scientists have discovered about landslide dynamics and which slopes are most susceptible to sliding. Hear the devastating stories of Bay Area residents affected by landslides and learn to recognize the danger signs.
San Francisco Bay Region geology [ More info] Gateway to the geology of the San Francisco Bay region with links to geologic maps, paleontology, marine geology, earthquakes, landslides, and geophysics. Includes maps, 3-D models, and photos.
The landslide handbook -- A guide to understanding landslides [ More info] Basic information for homeowners, communities, emergency managers, and decisionmakers. Includes sections on landslide types, evaluation tools, and mitigation techniques.
Types and effects of volcano hazards [ More info] Describes the 6 main types of hazardous activities and processes associated with volcanoes, including tephra, lava flows, pyroclastic flows, lahars (volcanic mudflows), landslides, and volcanic gas.
USGS news and information on El Nino [ More info] Information sources on El Nino effects such as landslides, coastal hazards, floods. Includes links to maps and images.
Western Region geologic information [ More info] Links to geologic information on western states: Alaska, Arizona, California, Hawaii, Idaho, Nevada and Oregon including information on coastal and marine geology, mineral resources, earthquakes, landslides, earthquake hazards and geologic maps.
Alphabetical Index of Topics
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