the best science on the web about

Image: Jessica Lucas/National Geographic


A fast-moving mass of snow, rock, ice, and soil rushes down a slope, snapping large trees like matchsticks. Large avalanches can weigh a million tons and travel at speeds of 200 mph.

Take a closer look at the two main types of snow avalanches, sluffs and slabs. Then discover why its difficult for scientists to predict these destructive events with any certainty.

National Geographic

Latest Comments

You Also Might Like

  1. crystals


  2. cloud forests

    cloud forests

  3. pyrite (fool's gold)

    pyrite (fool's gold)

  4. wildfires


  5. dust devils

    dust devils