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

A 5.4-magnitude earthquake was reported in Alaska on Thursday (October 30), according to the United States Geological Survey.

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

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

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

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, ...

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

Out of 20 North Carolina earthquakes registered in 2025 so far, a vast majority were in the same county, according to data ...

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

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