The huge explosion that rocked Boston Saturday afternoon was a sonic boom, officials say. The United States Geological Survey released a statement shortly after houses were shook, leaving locals on ...

A mysterious sonic boom shook the heart of South Carolina on Thursday, May 28, according to the US Geological Survey (USGS).

Two bases say it wasn't them. NASA reported no meteor. A leading theory: an aircraft went supersonic, and the sound bounced for miles.

The United States Geological Survey reported a sonic boom that was felt across the Midlands on Thursday afternoon. But the exact cause is a mystery.

The U.S. Geological Survey reported two small earthquakes in Union County, South Carolina, on Friday.

The United States Geological Survey reported a small earthquake in South Carolina on Thursday morning. Officials reported a 1 ...

A loud boom was heard and felt across the Midlands on Thursday.

COLUMBIA, S.C. (WCBD) – Officials have reported the source of a large boom and shaking felt across the Midlands on Thursday afternoon. People who live and work in Columbia and the surrounding areas ...

The USGS says a powerful 8.1 magnitude earthquake hit just off the southern coast of Mexico overnight. The deadly quake ...

(BJP7images/iStock/Getty Images Plus) There could be nearly 330 years' worth of lithium hiding beneath the Appalachian ...

A 3.2-magnitude earthquake struck near Malibu on Monday night, according to the United States Geological Survey​.