You can very easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2). Remote triggering is possible.
Avalanches may release spontaneously on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).
You can trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).