Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New ...

For the first time, scientists have watched a subduction zone literally fall apart beneath the ocean floor. Using advanced ...

PORTLAND, Ore. (KOIN) – The Cascadia Subduction Zone is “unusually quiet,” for a megathrust fault, making it more difficult for scientists to understand its behavior and structure. With help from ...

Far below the Pacific, scientists are mapping a hidden record of catastrophe carved into the seabed by ancient Cascadia earthquakes. Those deep scars, preserved in massive underwater landslides, are ...