Map of locations where more than 7,000 borehole geophysical logs are currently available at about 1,700 sites in the GeoLog Locator web application.   Reston, Va. — Digital borehole geophysical…

USGS Coastal Change Hazads Portal – Hurricane Irma (USGS)   Reston, Va. — Large and powerful Hurricane Irma is likely to cause significant erosion along U.S. East Coast beaches from…

An example of a USGS storm-tide sensor. (Credit: Jason Burton, USGS. Public domain.)   Reston, Va. — Storm surge, coastal erosion and inland flooding are among the most dangerous natural…