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

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

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 ...

If the Cascadia subduction zone and the San Andreas fault can act in concert, then seismic models must consider the possibility of coupled behavior. That could mean a higher short-term risk of back-to ...

The Cascadia Subduction Zone, a 600-mile fault from Northern California to British Columbia, produces magnitude 8+ ...

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 ...

PORTLAND, Ore. - A new study shows a Cascadia Subduction Zone earthquake could injure 27,000 people, displace 85,000, kill 1,400 and cause $37 billion in damage to buildings in the Portland metro area ...

The pressure keeps building below the Earth’s surface off the coast of the Pacific Northwest, and a multi-layered disaster could strike at any time. A huge earthquake is brewing along the Cascadia ...

Researchers re-created the conditions deep inside the Cascadia subduction zone and found that fractured rocks can repair themselves during, or just hours after, slow-motion earthquakes. When you ...