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    Weathered
            The Cascadia Earthquake: America’s Worst Disaster?
                
                    
                        
                            Season 1
                        
                    
                    
                        
                            Episode 7
                        
                    
                
            
            
            The Cascadia Subduction Zone is a sleeping monster lurking just off the Northwest coast of the United States. It extends 600 miles between Northern California and Vancouver B.C. and experiences a massive megathrust earthquake every 250 years on average. The last one happened 321 years ago and scientists say there is a 30% chance we’ll see another in the next 50 years.
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