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 ...

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 ...

As observed in Lesson 3, at low pressures and temperatures rock is a brittle material that will fail by fracture if the stresses become sufficiently large. When a lateral displacement takes place on a ...

When it comes to natural or “weather-related hazards”, in Missouri, we think of thunderstorms, floods, and tornadoes. But there is one that is less common and lies beneath the surface—earthquakes. The ...