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 »
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateTerra. ↓ More info below ↓ The Cascadia Subduction Zone is a sleeping monster lurking just off... Read more »
