it's just amazing the magnitude and force this slide has created and what it's done. it's not just done that to cars, it's done that to these buildings. and so your carpeting and photo albums and streaks and boats and woodpiles and all these things, and all this mud that's heavy. >> one part of the mountain collapsed saturday morning north of seattle. a wall of mud buried everything in its bath. the debris field is a square mile. here are two 911 calls that have been released by authorities. >> we have a freaking mudslide. all i see is dirt. we watched hundreds of trees come falling out of -- i'm on sea post road highway 530. and there's not even a house here anymore. >> are there any injuries? >> yes. there's people yelling for help. >> my neighbor's house and their neighbor's house have been completely taken out. and it's collapsed on several of them.