"It's wild to think that in some ways tectonic plates have a 'memory' and that affects the way the plates drive mantle convection and mix material back into Earth," said Dr. Nick Harmon ...

The Pacific Coast is tiptoeing around not one but two of the largest seismic triggers of the region’s modern history.

New research reveals a surprising link between the ancient tectonic history of oceanic plates and their fate as they subduct into Earth’s mantle. Compositional anomalies, formed millions of years ago, ...

Yet, in a full-margin rupture of the Cascadia, the region could experience ... and San Diego could effectively be wiped off the map. With a record 15 seismic earthquake sequences occurring ...

GREENWATER, Wash. — A magnitude 3.8 earthquake struck western Washington Sunday morning, according to the U.S. Geological ...

At close: April 8 at 9:54:30 a.m. EDT Loading Chart for TECT.V ...

"The tectonic changes in global trade are unfolding before our eyes, and it is still very difficult to judge where they will lead the global economy and how they will affect Russia," she said.