A major earthquake in this region would trigger a two-phase disaster involving both the land and the ocean.
The Cascadia Subduction Zone (CSZ) is a unique tectonic fault where the is moving beneath the North American plate . Unlike other active zones, this fault is currently "locked" by friction, showing very little daily seismic activity, which allows massive amounts of stress to accumulate over time. [S13E1] A Seismic Shift
States are currently updating infrastructure and policies to mitigate the impact of such a "seismic shift". A major earthquake in this region would trigger
Scientists use the "seismic gap" theory to identify fault segments that haven't moved in a long time, marking them as the most likely locations for future massive ruptures. Immediate Hazards: Shaking and Inundation showing very little daily seismic activity