The Cascadia Megaquake Is Inevitable. And It Will Reshape America Forever

The Cascadia Subduction Zone represents a profound disaster in the making. Running hundreds of miles along the Pacific Northwest coast, it's overdue for a catastrophic magnitude 9 earthquake. In fact, scientists estimate there's a 37% chance it will strike in the near future. In this special compilation video, we bring together everything you need to know about the Cascadia megaquake: the science behind it, the incredible historical detective work that pinpointed the last one to a specific hour 321 years ago, and the survival strategies that could save your life when this looming calamity strikes. 0:00 - Intro 0:25 - The Big One Is Coming: The Science of the Looming Cascadia Megaquake 10:42 - How a Ghost Forest Solved a 300-Year-Old Megaquake Mystery 23:55 - What You Need to Know to Survive the Cascadia Megaquake Celebrate Earth Month with the PBS Earth Month Playlist:    • Earth Month from PBS   ***** PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateTerra ***** Subscribe to PBS Terra so you never miss an episode! https://bit.ly/3mOfd77 And keep up with PBS Terra on: Facebook:   / pbsdigitalstudios   Tiktok:   / pbsterra   Instagram:   / pbsterra