At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults? Using data compiled from single earthquakes across the world, Christie ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical seismic events. These earthquakes, recorded during hydraulic fracturing for oil ...

Earthquake researchers believed for decades that rock friction within fault lines follows a simple relationship with temperature. However, a new study published by the Proceedings of the National ...

Tracy Turner, owner of the Wynola Junction, looks over pictures that fell from shelves when an earthquake hit Monday in Julian. (Denis Poroy / Associated Press) Below California's famed beaches, ...

Illustration of the Cascadia subduction zone, a region where the patterns examined in this study play out. (Credit: Carie Frantz, Wikimedia Commons) When we think of earthquakes, we imagine sudden, ...

Below California’s famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state’s collective consciousness.

A new type of seismic threat is gaining attention among geologists—and it could have serious implications for California. Known as “supershear” earthquakes, these rare but devastating quakes travel ...

Below California’s famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state’s collective consciousness.

Add Yahoo as a preferred source to see more of our stories on Google. Tracy Turner, owner of the Wynola Junction, looks over pictures that fell from shelves when an earthquake hit Monday in Julian.