For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and ...

Accidental landing of a research vessel in the San Andreas zone revealed the repeating patterns tribuldite in its core.

An enormous area of the Earth’s crust has torn and slumped, dropping about 5 kilometers (3 miles). We’ve only just noticed ...

A magnitude 6.8 earthquake was recorded in the Beaus region on Monday morning, according to seismic data reviewed manually by ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some ...