The Tintina fault is thought to have been inactive for more than 40 million years, but new research suggests that earthquakes ...

The fault is among the most active in the country, running from St. Louis to Memphis. The New Madrid fault line is best known for some of the most violent earthquakes to ever hit the U.S: a series ...

Seismic pressure is building along the Tintina fault line, stretching from Canada's Yukon Territory to Alaska.