The largest known earthquake to hit the state, with a magnitude of 5.1, occurred in northern Shelby County in 1916, according to the Geological Survey of Alabama. The second biggest was a 4.9 magnitude earthquake in Escambia County in 1997.

In August, the United States Geological Survey (USGS) released its most extensive geological map to date. It's called The Cooperative National Geologic Map, and it provides an interactive look at the geological makeup of the lower 48 states in ...

A minor, 3.1-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey. The temblor happened at 10:27 a.m. Pacific time about 8 miles northwest of Fillmore, Calif., data from the agency shows.

Hawaii's Kilauea volcano's recent eruption took out a U.S. Geological Survey Camera while it was streaming live.

A series of five earthquakes rattled in the East Bay Friday evening, according to the United States Geological Survey (USGS). A preliminary 2.5-magnitude earthquake was first reported