Scientists discover ultra-weak faults near the 7.2 magnitude earthquake in Haiti that continued to slip for weeks.

NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

Within 1.3 seconds, the ground on either side of Myanmar’s Sagaing Fault moved 2.5 meters sideways activity that a security camera caught in real time, providing a unique look at earthquake rupture ...