The shallow quakes occurred within seconds of one another, exacerbating the damage caused.

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Heading outdoors with a map doesn’t just help to keep you safe – it can help you discover natural features you might otherwise have overlooked or choose the best route to a summit according to your ...

The Oklahoma Geological Survey recently released an updated map of all the fault lines that snake around under Oklahoma, a state that that has received plenty of attention in recent years for its ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Nearly 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a recently updated ...

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 ...

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 ...

The Cooperative National Geologic Map offers a complete and detailed look at the bedrock and fault systems of the continental United States. The first geological map of the United States was published ...

The US Geological Survey (USGS) has published a new set of maps to observe the destruction caused by Hawaii’s Volcano Kilauea. The government agency continues to publish maps at a fast cadence as they ...