Not all mountains in the Yellowstone region are volcanic in origin. The Wind River Range, southeast of Yellowstone National ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Earth’s surface is constantly shifting, shaped by the slow but powerful movement of tectonic plates. While some plates have ...

For millions of years, Earth’s shifting plates have shaped continents, formed oceans, and built towering mountain ranges. But ...

The 3.9 magnitude earthquake hit at 4:18 p.m. on the Olympic Peninsula, according to the United States Geological Survey.

A new study has revealed that two continent-sized regions in Earth's deep mantle have distinctive histories and resulting ...

This earthquake is larger than much of the recent seismic activity around western Washington, per initial reports.

Thursday's morning earthquake follows several other seismic events that have shaken western Washington. A 3.4 magnitude ...

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

The two continent-sized provinces have been known since the 1970s, but it’s only in the last few years we’ve started to ...

Subduction zone earthquakes: This earthquake results from the tension of an oceanic plate slipping beneath a continental plate. When enough stress builds, the fault will rupture, releasing a ...