Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

An earthquake which struck near the Alaska-Yukon border last month has revealed a fault line hidden beneath ice, drawing ...

Scientists discover ultra-weak faults near the 7.2 magnitude earthquake in Haiti that continued to slip for weeks.

A 6.0 magnitude earthquake struck off the Oregon Coast on Jan. 15. The earthquake was detected around 7:25 p.m., ...

Learn about the movement of tectonic plates off the coast of northern California, a process that could incite major ...

Seismologists have discovered hidden faults at the Mendocino Triple Junction by tracking tiny earthquakes using a new ...

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...

A small town in California was hit by earthquakes once every 22 years for over a century, setting the stage for a major ...

The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one ...

A 6.0 magnitude earthquake strikes off Oregon coast, triggering tsunami alert and concerns of aftershocks, as the Cascadia ...