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 ...

Conjugate sets of normal faults formed in the Quaternary fan sediments lying near the top of footwall rocks of the Ramgarh Thrust are analysed. These faults are recognized on left hillslope of Kosi ...

The graphic on the top shows how a high-angle normal fault cuts between two of the earth's plates. The block on the right shifts down as the fault moves. The graphic on the bottom shows a low-angle ...

Over the last several weeks, earthquakes have rocked parts of the United States from Alaska to Wednesday morning's quake in Tennessee. The most recent quake registered as a magnitude 4.4, just ...

The northwestern margin of the Hetao Graben, North China, is bounded by a pronounced 160-km-long Langshan Piedmont fault (LPF). The kinematics and recent tectonic activity of this rift-border fault ...

On September 19, a magnitude 7.1 earthquake rocked central Mexico, with fatalities estimated in the hundreds—the largest, most serious earthquake of at least 19 that the U.S. Geological Survey ...

A person stands in front of a fault in Utah. Better understanding how rocks behave under stress and along faults like this could help geologists more accurately ...