An avalanche (also called a snowslide or snowslip) is a sudden, drastic flow of snow down a slope, occurring when either natural triggers, such as loading from new snow or rain, or artificial triggers, such as snowmobilers, explosives or backcountry skiers, overload the snowpack.
Dangers?
Unfortunately, the winter mountains are also home to one of nature's most violent and deadly phenomena: avalanches.
What can people do to avoid danger from this movement?
Knowledge, preparation, and caution are the keys to survival in avalanche country.