A new 3D subsurface model shows how variations in rock strength beneath the Marmara Sea could trigger future large ...

For this installment of "From the Archives," we answer questions about the Balcones Escarpment and the Balcones Fault ...

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

ENID, Okla. — A preliminary fault map of Oklahoma, produced by Oklahoma Geological Survey in April, shows numerous faults across the state. Oklahoma faults — unlike those in California, which is on a ...

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

A 3.5 magnitude earthquake shook parts of Utah Thursday, the second felt in two weeks. The tremors come as experts remap the ...

In the Pacific Northwest, big faults like the Cascadian subduction zone located offshore, get a lot of attention. But big ...

A geological fault line is a long crack in the earth’s surface. Earthquakes typically occur along fault lines. The U.S. Geological Survey works with hundreds of scientists and engineers to find these ...

PORTLAND - Geologists think Mount Hood is sitting on shakey ground. The Oregonian first reported that scientists have discovered a previously undetected - and active fault zone on the mountain.

Machu Picchu, the 600-year-old Incan citadel in modern-day Peru, is notoriously hard to get to. Built on a narrow ridge in the Andes Mountains, this UNESCO world heritage site is still difficult to ...

New data from state geologists show that an earthquake fault runs below Rodeo Drive and Beverly Hills’ shopping district, heightening the known seismic risk in an area famous for Cartier, Gucci, Prada ...