Oregon Repeals Tsunami-Zone Construction Ban; California Still Has NoneCalifornia has no state-mandated development restrictions in tsunami zones. "In every other country in the world, best practice for tsunamis is avoidance, not building in a tsunami zone," an Oregon seismologist said.
With Time Ticking For Mega West Coast Quake, Warning System Begins To Take ShapeUniversity of Washington researchers are testing an earthquake alert system as the Pacific Northwest prepares for the day when a 600-mile-long fault line looming off the coast unleashes a catastrophic earthquake and tsunami.
Fault System Off West Coast Poses Greater Mega Quake Risk Than San AndreasThe Cascadia fault system, which sits about 100 miles off shore, runs from California to Vancouver. The subduction zone is believed to have caused a 9.0 earthquake in 1700, the largest known quake ever to have hit the lower 48 states.