Updated USGS Earthquake Map Highlights Risk Across U.S.
N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.
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Iconic Dragon Map led the way to new USGS geologic mapping efforts
comprehensive geological map of the Grand Canyon and its surrounding area. Ryan Crow, Ph.D. is a research geologist at the United States Geological Survey’s (USGS) Geology, Minerals, Energy and ...