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

MENDOCINO COUNTY, CA - Thursday night, a preliminary 2.2 magnitude quake was recorded close to Covelo, according to the U.S.

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

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

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

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 ...

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

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 ...

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