CNN CNN Newsroom May 13, 2013 14:13:00
How fast do these mounds of ice crystals move? >> reporter: the official from the municipality told me the whole event once it hit the shoreline only took ten minutes. so it was really quite fast. and the witnesses i spoke to said it's interesting we use the analogy of a long freight train. they said that's what it sound like. it was this massive roar. the ice kept moving on shore and led into homes. >> we can see the damage it caused. some homes seem to be torn off their foundations. am i looking at that pick right? >> reporter: yep, that is what you are seeing there. basically, some of the h...