When an ancient and smooth seismic fault releases all its energy at once, the consequences are spectacular. The magnitude 7.7 ...

At the Cascadia subduction zone in the Pacific Northwest, one tectonic plate is moving underneath another. New experimental work at UC Davis shows how rocks on faults deep in the Earth can cement ...

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, ...

What could the next mega-earthquake on California's notorious San Andreas fault look like? Would it be a repeat of 1857, when an earthquake estimated at magnitude 7.7 to 7.9 ruptured the fault from ...

Scientists have discovered a new seismic link between two of the West Coast's largest earthquake faults, and it could be the recipe for a major natural disaster. The study out of Oregon State ...

Groundbreaking Discovery in Offshore Sediment Cores Two fault systems on North America's West Coast – the Cascadia subduction ...

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface. The discovery could mean stronger shaking near faults like California’s San ...

Editor at Large High up in Canada’s Yukon Territory, a seismic gun is being cocked and aimed at the little community of Dawson City—population 1,600. If a new study in the journal Geophysical Research ...

The East Tennessee earthquake on May 10 was one of the strongest to hit the region since 1900. The East Tennessee Seismic Zone is an active one, even if it isn't known to produce quakes strong enough ...

Lori Dengler is looking for your stories of unique observations around quakes. “I’ve heard of strange smells before, during, ...

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.