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Airborne Geophysical Surveys over the 2011 Mineral, Virginia, Earthquake Area Airborne Geophysical Surveys over the 2011 Mineral, Virginia, Earthquake Area The 2011 moment magnitude (Mw) 5.8 central Virginia earthquake was felt by millions of people and caused significant damage in the eastern United States. As part of efforts to better understand the faults and geologic features associated with the earthquake, the U.S. Geological Survey commissioned airborne geophysical surveys over the epicentral area. Here we present the data from those surveys and summarize research results based on those datasets. The following items can be obtained by following links on this page: - Background information on the Mineral, Virginia earthquake and a summary of first analysis results - Downloadable... Categories: Data, Publication; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: USGS Science Data Catalog (SDC) River Channel Survey Data, Redwood Creek, California, 1953-2013 Dr. Richard Janda of the USGS began a channel monitoring program in Redwood Creek in northern coastal California in 1973. The USGS continued this work through 2013, when the Research Geologist, Dr. Mary Madej retired. This effort produced 40 years of channel change data in rivers that were disrupted by severe erosion following timber harvest of old-growth redwood forests, a portion of the program's data (plus 1953 data) has been preserved in this data release. Original field surveys documented bank erosion, aggradation, and degradation at 60 cross-sectional transects at annual or biannual timesteps. Three river reaches also have long-term longitudinal channel bed surveys which document the distribution and development... Categories: Data, Publication; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 44 Creek, Bond Creek, California, Dolason Creek, Elam Creek, All tags... Emerald Creek, Forty-four Creek, Fortyfour Creek, Harry Wier Creek, Hayes Creek, Humboldt, Redwood Creek, Redwood National Park, United States, cross section survey, fluvial geomorphology, geomorphology, geoscientificInformation, longitudinal survey, river channel surveys, watershed management, watershed restoration, Fewer tags