Billions of cell phones will supply real-time earthquake data around the globe.

Real-time text, photo and video data could help first responders better allocate resources when disaster strikes.

The fault has a staircase-like structure, which would result in more damage during an earthquake.

Scientists discover a feature that may be helping forestall new quakes near the San Andreas fault.

New group to investigate geological aspects of the devastating August tremblor sequence.

Simulated temblors to go as high as the 2010 8.8-magnitude quake in Chile.

UC Berkeley scientists study bugs' crawling secret to build a better search and rescue robot.

Temblor on one fault can spread to another more easily than previously thought, with serious implications for Los Angeles and elsewhere.

White House plans to expand earthquake early warning system developed at UC Berkeley.

Ocean-bottom seismometers help explain the Juan de Fuca tectonic plate that causes megathrust earthquakes.

How an early-warning system would work in practice, beginning with the first blaring alarm from a cellphone: 'Earthquake! Drop, cover and hold on! Strong shaking expected!'

A quake centered below the Santa Barbara Channel could send inundating waves toward Ventura and Oxnard.