![Collapse and cracking of a 33 degree slope Collapse and cracking of a 33 degree slope](/sites/default/files/images/SkiHill%20Crack.jpg)
This slope collapsed with a large "whumph" as we postholed downhill. It moved 3" but was not steep enough to slide; about 33 degrees steepess. Approximately 75 feet away a small rollover avalanched with this collapse. The soft slab broke on a layer of buried surface hoar. Photo: GNFAC