Historic Map Shines Light On America's Great 400-Year-Old Mystery
The fate of the settlers who founded the "Lost Colony of Roanoke" in what is now North Carolina remains unknown.
3.8 magnitude earthquake centered in Maine rocks parts of Boston
A 3.8 magnitude earthquake shook parts of New England on Monday morning, according to the United States Geological Survey.
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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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Ultra-detailed map of U.S. rivers
The National Hydrography Dataset Plus High Resolution map of waterways, created by the US Geological Survey, is the highest-resolution survey of its kind. With nearly 25 million rivers, streams, pipe ...