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 ...

It’s just one word that has only three syllables, but it’s a concept that is universally understood: Tsunami. As the Bay Area waits for the “Big One” to strike what is the risk of that seismic event ...

California is home to hundreds of faults. This partly explains why the state sees so many earthquakes. They can range wildly in size and shape. A fault is a fracture zone between two large blocks of ...

Monday’s deadly earthquakes in southern Türkiye, which hit 10 provinces, were quite severe due to their close proximity to the surface and the type of fault, according to prominent US seismologists.