a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model released Tuesday -- nearly 30 years to the day of the 1994 Northridge Earthquake in Los Angeles -- shows ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

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