The 1700 Cascadia earthquake and tsunami was a massive natural disaster that reshaped the Pacific Northwest. Through tree rings, soil layers, and international collaboration, scientists have pieced together the exact timing of... Read more »
Viewers like you help make PBS (Thank you ?) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Watch my other climate science videos: http://bit.ly/climatevids Get yourself an awesome I DID A... Read more »
