They are rare at ski resorts, which manage their slopes and trigger smaller slides on purpose when no visitors are around. Here’s a look at avalanches, how they occur and some tips on how to ...

Tuckerman Ravine, early season, as seen from Wildcat Mountain. An avalanche there and another in nearby Huntington Ravine endangered several skiers Wednesday. Skiers triggered two separate ...

Most ski resorts have avalanche protocols or mitigation systems. Often that means checking snowpack stability. Remote detonations are also used to trigger slides intentionally and remove risky ...