Megathrust Earthquakes And The World’s Largest Tsunamis: What Is The Cascadia Subduction Zone?
Some of the macrocosm ’s large earthquakes and tsunami have originated from the Cascadia Subduction Zone , a 1,127 - klick ( 700 - mi ) stretch that runs from northern California up to British Columbia . Here , the Pacific Ocean floor is subducting under North America – and when the fracture periodically lock and releases , it can loose devastating megathrust earthquakes and criminal record - break wave ....