The Big One: Cascadia’s Looming Megaquake Threat
Cascadia subduction zone is overdue for a magnitude 9 megaquake. Experts warn of catastrophic damage, tsunami risk, and lack of preparedness in the Pacific Northwest.
Cascadia subduction zone is overdue for a magnitude 9 megaquake. Experts warn of catastrophic damage, tsunami risk, and lack of preparedness in the Pacific Northwest.