There are fears that sooner or later, the entire Pacific coast of northern California, Oregon and Washington is due to suffer ...

Missouri and Tennessee saw a string of small earthquakes triggered along the New Madrid fault line. It raises the question ...

We finally know how a fault that gave rise to Denali, North America's highest mountain ... creating a magnitude 7.9 earthquake that knocked houseboats off their moorings more than 1,500 miles ...

A swarm of earthquakes hit a massive 150-foot-long fault line in the Midwest that scientists fear is overdue for a mega-quake. This little-known New Madrid sits in America's Heartland, passing ...

Getty Images/iStockphoto A swarm of earthquakes rattled along the New Madrid fault line, sparking fear of the “big one” shaking the area known for tremors. Centered in New Madrid, Missouri ...

Climate change may influence seismic activity as melting glaciers reduce pressure on quake-prone faults Southern Colorado’s ...

These plates, called tectonic plates, can push against each other. Earthquakes are most common along fault lines, which are fractures that allow the plates to move. Earthquakes occur when two ...

America has endured even stronger quakes throughout its history. The largest earthquake ever to hit the continental US struck the Cascadia Subduction Zone—a fault line off the Pacific coast of ...