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 ...

When the rigid plates that make up the Earth's lithosphere brush against one another, they often form boundaries, known as faults, on the planet's surface. Strike-slip faults, such as the San Andreas ...

A new study of tectonic plate thickness across the Denali Fault in Alaska begins to fill major gaps in understanding about how geological faults behave and appear as they deepen. When the rigid plates ...

How different types of faults form earthquakes Did you know there are different kinds of faults within the Earth? See how each one forms earthquakes.

LOGAN, UTAH, USA -- The 1,200-mile-long Denali Fault stretches in an upward arc from southwestern Alaska and the Bering Sea eastward to western Canada’s Yukon Territory and British Columbia. The ...

The magnitude of an earthquake depends on how far a rupture travels along a fault line before it stops. For the first time, we have now directly observed how a large earthquake comes to a halt. By ...