USC researchers found that large earthquake-generated tsunamis emerge after horizontal oceanic water movement is transferred to uplift in the tsunami excitation zone, the outer wedge of sediment ...

There are many active subduction zones in the world today with well-developed forearc ... more sediment is scraped off and underplates the previously accreted material. Over time an accretionary wedge ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.