A 6.0 magnitude earthquake struck 183 miles off the Oregon Coast on Jan. 15.

The earthquake occurred at a shallow depth of 10km, making it susceptible to aftershocks ...

Earthquake sensors can detect sonic booms generated by reentering space debris to help track the potentially dangerous ...

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

Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.

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

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

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...