USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground ...

Do you ever find yourself wondering about the rocks beneath your feet? If so then the USGS has exactly the tool you're looking for, and it's free.

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.

In August, the United States Geological Survey (USGS) released its most extensive geological map to date. It's called The Cooperative National Geologic Map, and it provides an interactive look at the ...

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 ...

Those giant maps gathering dust in the corner of your favorite outdoor store have finally been brought into the 21st century. National Geographic‘s new service, launched last week on their Maps site, ...

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 ...

A few months ago we showed you Matt Fox’s excellent topographic maps of New Zealand, which were quite impressive. Over the years he’s had many requests to create similar maps with seamless USGS ...

A new map from the U.S. Geological Survey and the Central United States Earthquake Consortium shows that Central States, including Arkansas, Tennessee, Missouri, Kentucky and Indiana are among the ...