Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...

SAN DIEGO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.3 magnitude quake struck close to Warner ...

Local emergency agencies say they are monitoring the seismic activity but have not issued any tsunami warnings.

A magnitude 2.7 earthquake rattled parts of central Oklahoma late Tuesday, according to the U.S. Geological Survey.

Two earthquakes were recorded within hours of each other near Marion, North Carolina, and witnesses report they felt shaking ...

A preliminary 2.6-magnitude earthquake jolted the East Bay overnight Thursday, according to the U.S. Geological Survey. The epicenter was in Concord along the Concord Fault. The ...

Residents in Northern Colorado may spot a low flying helicopter in the area over the next three months due to an ongoing geological survey. The United States Geological Survey will be using airborne ...

Suffolk County is doubling down on protecting its most vital resource, clean water. The U.S. Geological Survey will monitor five rivers across the county for potential toxins from stormwater runoff.

A U.S. Geological Survey representative told the Little Calumet River Basin Development Commission in August that arsenic ...

A new geological study is reshaping what scientists know about Maine's bedrock, and could play a key role in the state's ...

Around 1,000 people registered online that they felt the earthquake, according to the Maryland Geological Survey.