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 ...

When we think of earthquakes, we imagine sudden, violent shaking. But deep beneath the Earth's surface, some faults move in near silence. These slow, shuffling slips and their accompanying hum -- ...

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 ...

After faults deep in the Earth get shaken up from a stress-relieving event, they can be patched right back up to continue the endless earthquake cycle. However, this self-healing ability doesn't apply ...

Scientists have uncovered a key piece of the puzzle behind the unusual "slow earthquakes" occurring off the east coast of New Zealand's North Island. Subscribe to our newsletter for the latest ...

California's earthquakes are far more likely to be "overdue" compared with earthquakes in the rest of the world. When you purchase through links on our site, we may earn an affiliate commission.