These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

OSU researchers find Cascadia Subduction Zone and San Andreas Fault may be synchronized — with the potential for quakes on ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

With the Great ShakeOut earthquake drill approaching, new research suggests a potential link between two major fault lines ...

A new study found that if “The Big One" hit the Pacific Northwest, it could trigger an even bigger earthquake and affect ...

A future mega-earthquake in the Pacific Northwest could lead to the "Big One" along the San Andreas fault in California-or ...

New research offers the theory that the San Andreas fault and the Cascadia subduction zone could produce devastating ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned.

Scientists from Oregon State University studying sediment layers in the Pacific Ocean have discovered that two of the most ...

Scientists at Oregon State University say there's new evidence that two of the best-known earthquake fault lines on the West ...

When a magnitude 7.7 earthquake shook Myanmar on March 28, 2025, it wasn’t just another powerful tremor—it was a geological curveball. The quake ripped open more than 500 kilometers (317 miles) of the ...