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 ...

U.S. Congress created the agency to “classify the public lands and examine the geological structure, mineral resources and ...

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

In the case of USGS Hawaiian Volcano Observatory geologic mapping on the Island of Hawaii, the primary map units of interest are volcanic vents (such as fissures and scoria cones) and their ...