On that day, two earthquakes — one a 3.5 magnitude and the other 3.6 — were included in a flurry of tremors and aftershocks.

Note: This story has been updated to reflect newly confirmed earthquakes recorded by USGS. GREENWOOD COUNTY, S.C. (WSPA) – ...

According to the U.S. Geological Survey, seven earthquakes ranging from 1.5 magnitude – 3 magnitude were recorded in ...

Note: This story has been updated to reflect newly confirmed earthquakes recorded by USGS. GREENWOOD COUNTY, S.C. (WSPA) – ...

Following the opening of the new southern fissure, tiltmeters transitioned to showing deflationary motion typical of ...

A major, 7.5-magnitude earthquake struck in the South Atlantic Ocean on Thursday, according to the United States Geological Survey. The temblor happened at 10:16 p.m. Eastern, data from the agency ...

The U.S. Geological Survey reported that a preliminary 2.3 magnitude quake occurred close to Humboldt Hill on Sunday around ...

"Our job is like being a bunch of ants crawling on an elephant trying to figure out how the elephant works," an observatory ...

The United States Geological Survey reports a major, preliminary magnitude 7.5 earthquake struck in the South Atlantic Ocean, prompting Chilean authorities to issue an advisory for a potential tsunami ...