The Cascadia Subduction Zone has been quiet for more than three centuries, but that silence is exactly what alarms the scientists who study it. Along roughly 600 miles of fault off the Pacific ...

Chris Goldfinger, who grew up in the Bay Area and emerged as a leading scientist on the feared Cascadia Fault, discusses the ...

Brian Atwater, a U.S. Geological Survey scientist emeritus, shows off tsunami-deposited mud. COPALIS BEACH, WASH. — When Japan issued its first-ever “megaquake” warning last week, Harold Tobin, ...

PORTLAND, Ore. (KOIN) – January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to ...

SEATTLE — Researchers say a recently released study about the discovery of warm liquid spewing from the seafloor off the coast of Oregon could reveal new information about the relationships between ...

COOS COUNTY, Ore. — Tuesday marks the 321st anniversary of the most recent 9.0 earthquake in the Cascadia Subduction Zone. While we know the tension is building for another massive earthquake we don't ...

New earthquake research to be presented by Oregon-based geologists next week sounds like a B movie plot: A great earthquake along the Pacific Northwest's offshore Cascadia fault triggers another great ...

It’s like a plot from a Hollywood movie. A massive earthquake on one West Coast fault triggers other earthquakes far away, causing vast destruction over hundreds of miles. A new study out Tuesday ...

About 50 miles off the coast of Newport, hot, mineral-laden seawater is seeping out of the ocean floor at an unprecedented rate. Researchers at the University of Washington say the liquid acts as a ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...