Their work will give modelers a sharper view of the possible impacts of a megathrust earthquake there — the term for a quake that occurs in a subduction zone, where one tectonic plate is thrust ...

The most destructive Cascadian earthquakes are likely to slam offshore of Washington state and Vancouver Island, new data reveal. The Cascadia megathrust is a massive fault thought capable of ...

Known as a “megathrust earthquake,” the plates shifted by more than 20 meters, releasing enormous energy and causing tsunami waves up to 35 meters high – the height of a 10-story building.