Now you've got one less excuse not to venture into the wilderness. National Geographic just launched a website that lets you find and print a PDF of any U.S. Geological Survey (USGS) quad map across ...

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating electronic US Topo quadrangles. Since the project’s ...

The U.S. Geological Service recently released an update of U.S. National Seismic Hazard Maps that reflect the latest analysis of where future earthquakes will occur, how frequently they may occur, and ...

Last week's magnitude-5.2 earthquake in southern Illinois is a reminder that earthquakes are a national hazard, says the U.S. Geological Survey, which earlier this week released an updated version of ...

It just got way, way easier to search and browse the US Geological Survey’s collection of historical topographic maps, thanks to a new online map viewer. These maps—more than 178,000 of them—date back ...

Damaging earthquakes could strike nearly 75 percent of the U.S, new research from the U.S. Geological Survey (USGS) found. Scientists using the USGS National Seismic Hazard Model,created a color-coded ...