Do you ever find yourself wondering about the rocks beneath your feet? If so then the USGS has exactly the tool you're ...

Beginning in the 1940s, the U.S. Geological Survey’s National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...

Going for a hike this fall? The U.S. Geological Survey has free maps that might come in handy. The public topoBuilder app is now offering custom maps made free with their 25K Recreational Topo layer.

Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more detailed than you'd ever expect.

WASHINGTON DC — Hikers, hunters and other outdoor recreationists will be pleased to know that free digital topographic maps are now available online from the U.S. Geological Survey.

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 ...

The 5.8-magnitude earthquake that hit Lincoln, Montana on Thursday was the area’s strongest in 60 years. The tremors from this quake stretched for hundreds of miles across the state, and residents as ...

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model released ...