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 ...

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

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

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

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

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 ...

Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.

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

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