This area, called the Cascadia Subduction Zone, hosts a megathrust fault ... making it potentially the most dangerous section. Also in this segment, the seafloor is subducting under the ...

In geography, taking a slice through a structure to see inside is called a cross section. Continental plates ... Collision zones close collision zoneA collision zone is where two continental ...

Along this fraught stretch, called the Cascadia subduction zone, two pieces of the Earth ... largest and most destructive earthquakes. That section of the fault is also shallow and closer ...