so you have a very good idea of this terrain. >> the terrain here, comparable to what we talk about sinkholes in florida. this region well known for the weak, loose sedimentary deposits in place. six houses were destroyed, 16 damaged and the fatalities that rosemary just told you about. but here's a google earth perspective. you see this exposed bedrock here. we've seen some 261% of the normal when it comes to rainfall so far in march. everett, washington, 31 miles south of this region, you see this give way and collapse down below. an initial in this county is saying this is comparable to mount st. helen's eruption back