The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

It was a groundbreaking discovery. Scientists have found previously concealed fault lines along California’s north coast, sparking concerns that we could be drastically underestimating the earthquake ...

The concentration of salt in the ocean doesn’t change much, so plant and animal life don’t have anything to worry about, ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

Seismologists Discover Hidden Faults Beneath One of the U.S.'s Biggest Earthquake Hotspots ...

Rock climbers in Italy stumbled across evidence of what appears to be a sea turtle stampede that took place nearly 80 million ...

What appears to be such a pleasant meeting-place of the well-known rifts, in the Northern part of California, is proving to ...

Studies reveal that beneath seemingly tranquil mountains, magma boils in shallow layers, reducing volcanic warning time.