Add Yahoo as a preferred source to see more of our stories on Google. Workers check damage to Interstate 880 in Oakland after it collapsed during the Loma Prieta earthquake in October 1989. (Paul ...

Add Yahoo as a preferred source to see more of our stories on Google. New research reveals the Cascadia and San Andreas faults may be linked, with quakes on one triggering the other. (CREDIT: ...

SAN FRANCISCO -- Scientists say there's new evidence that two of the best-known earthquake fault lines on the West Coast are in sync and that has the potential for a major disaster. A new study by ...

Julia Shumway / Oregon Capital Chronicle The so-called “Big One” or Cascadia Subduction Zone earthquake expected to trigger disruptive quakes throughout the West Coast could cause more damage than ...

The Cascadia Subduction Zone is quietly loading energy that will one day unleash a megathrust earthquake, and a growing cluster of new measurements suggests that the system is edging closer to failure ...

Even long-lived subduction zones eventually die, and scientists believe they are witnessing the slow death of one in the northern end of the Cascadia subduction zone. A new study using seismic data ...

Where the school had been, moments before, was a cloud of dust. The day was pleasant and partly cloudy in Mexico City when a 7.1 magnitude earthquake shook the earth, killing around 400 people. Of ...

They are two of the West Coast's most destructive generators of huge earthquakes: the San Andreas fault in California and the Cascadia subduction zone offshore of California's North Coast, Oregon, ...

The so-called “Big One” or Cascadia Subduction Zone earthquake expected to trigger disruptive quakes throughout the West Coast could cause more damage than previously estimated if it sets off quakes ...

This is read by an automated voice. Please report any issues or inconsistencies here. New research suggests the San Andreas fault and the Cascadia subduction zone could produce devastating ...