Fact sheet describing plans for a San Andreas Fault Observatory at Depth (SAFOD) by drilling into the fault to install instruments for long-term monitoring near the location of the magnitude 6 Parkfield earthquakes.
Fact sheet on the sea-floor mapping facility at Woods Hole describing state-of-the-art technology used to produce accurate geologic maps of the sea floor and reporting on its data-acquisition, data-processing, and archiving capabilities.
General information on topographic maps with links to topographic mapping, USGS topographic maps, digital raster graphics, how to find and order USGS maps, map revision, and map symbols.
Field Office involved in operating GPS stations, data recording, and supplying of earthquake data. Links to GPS data analysis, photos, and technical information.
Describes and provides links to USGS research in the location of the estuary and coast of Long Island, New York, to map the sea floor and to study sediment transport, contaminants, and sand resources and coastal vulnerability.
Overview of volcano hazards in California with links to monitoring data including earthquakes and deformations, long-term outlook, volcano hazards in the area, USGS response plan, image gallery, monitoring and topical studies, publications and references.
Describes past, current, planned, and experimental USGS programs and processes to permit citizen volunteers to collect geographic and cartographic data and information for incorporation into the USGS topographic map revision process.
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
U.S. Department of the Interior |
U.S. Geological Survey