Avalanches are large masses of snow, ice, and rocks that move rapidly down a mountainside. They are a natural hazard that can cause destruction and loss of life.

Avalanches occur when a large amount of snow accumulates on a slope and is released suddenly due to a variety of factors, such as rapid snowfall, strong winds, or an earthquake. Avalanches can travel at speeds of up to 80 miles per hour and can reach heights of up to 1,