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

Two earthquakes struck off the Oregon coast on Tuesday, rattling communities along the Pacific Northwest shoreline.

HOWARD COUNTY, Md. - A 2.5 magnitude earthquake was recorded in Howard County, Md. on Monday. According to the United States ...

A geologic map is made to show the reader information about the geological formations of the land, including detailed ...

The United States Geological Survey confirmed Monday that an earthquake occurred in the Columbia and Savage area.

A 3.2-magnitude earthquake struck Sunday morning near Lafayette. Hours later, another earthquake struck Northern California, ...

YACHATS, Ore. — A 5.4 magnitude earthquake was among two that struck early Wednesday morning off Oregon's coast. According to ...

A 2.5 magnitude earthquake struck communities in Maryland, confirmed by USGS, with no reported damages or injuries.

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

Some East Bay residents had another morning waking up to a jolt, as an earthquake with a preliminary magnitude of 3.2 shook ...

A strong, 6.0-magnitude earthquake struck in Turkey on Monday, according to the United States Geological Survey. The temblor ...

MCDOWELL COUNTY, N.C. (FOX Carolina) - The United States Geological Survey (USGS) said an early morning earthquake hit ...