A new assessment of the enormous Tintina fault suggests it has been slowly accumulating strain over thousands of years.

A handful of regions around the world regularly unleash terrifyingly large earthquakes. Here are the 21 largest earthquakes ...

The Pacific Ring of Fire is a vast, horseshoe-shaped belt of intense geological activity that wraps around the Pacific Ocean.

A lurch in the Earth’s tectonic plates can wreak havoc at any time. How do scientists measure quakes, and are we doing enough ...

A large region of unusually hot rock deep beneath the Appalachian Mountains in the United States could be linked to Greenland ...

A bold new theory reimagines the NAA as a "Rayleigh–Taylor instability"—a geological term for when heavy, cold rock begins to ...

Seismic activity has recently been picked up on a major fault line on the Canadian border, according to a new study. The ...