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

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

Deep beneath the Earth’s surface, researchers have uncovered striking new evidence of ancient seafloor buried for millions of ...

Convergent plate margins associated with lithospheric subduction often exhibit pronounced along-strike curvature, shaped by the interplay of topography, sediment transport, plate interface ...

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

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault goes an average of 535 years between major quakes, according to the ...

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

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

Surprising differences in the two so-called Large Low-Velocity Provinces may risk instability in Earth's protective magnetic ...