When you buy through links on our articles, Future and its syndication partners may earn a commission. Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of ...

As the name suggests, an earthquake is an event that causes the earth to shake. In some cases, an earthquake can be so significant that it cracks open the ground, as well as human-made structures such ...

— James Webb, Mineral Point, Wis. A Chuck DeMets, professor of geophysics at the University of Wisconsin-Madison: Most earthquakes occur when a geological fault, a fracture within the Earth’s crust, ...

Earthquakes have long been associated with fault lines, jagged edges where tectonic plates meet and collide. Several studies explain how these seismic activities are not limited to these boundaries.

A magnitude 6.0 earthquake struck southcentral Alaska on Wednesday, Nov. 27 at 8:11 a.m. Alaska Standard Time, occurring 26 miles southwest of Willow. The tremor registered at a depth of 42.8 miles, ...

One of the worst earthquakes in European history ripped through Portugal in 1755, causing a tsunami, fires and shaking that killed tens of thousands of people and caused widespread destruction.