A topographic map uses markings such as contour lines (see page 00) to simulate the three-dimensional topography of the land on a two-dimensional map. In the U.S. these maps are usually U.S.

The USGS has revealed than around 71 to 95 million Americans may rely on groundwater supplies with detectable levels of PFAS.

The G4 geomagnetic storm that brought auroras across the U.S. also generated electrical currents in rocks under the ground.

Tampa residents and Floridians throughout the state can get a better idea of how at-risk their homes are ahead of the storm surge with the United States ... Geological Survey's interactive ...

Using laser scans and GPS cameras, accurate down to one inch, the U.S. Geological Survey has so far mapped more than 600 ...

"Data was first collected from the US Geological Survey’s Mineral Resources Data System. The data was then filtered to exclude non-US locations and US territories such as the US Virgin Islands ...

A new method provides highly accurate continental-scale landslide susceptibility maps that are being used in the aftermath of ...

Dozens of powerful, fast-moving landslides carved deep scars into the hills and valleys around Buncombe County amid the fury ...

Sample locations and inferred geological map of the southern part of Zealandia. Survey ships mapping the ... province covering much of the Western United States and northwestern Mexico today.

The United States Geological Survey reported the earthquakes on Sunday and is encouraging residents to learn about the state's fault system. Another earthquake was reported on Tuesday morning ...

Within TNO, the Geological Survey of the Netherlands is organised as a knowledge ... They complement each other and enable us to learn from each other. In this way, we are successful in EU-funded ...