Teen riding snowmachine was killed after triggering avalanche in Alaska, where four. have died in snow slides this month.

According to the Northwest Avalanche Center, three snowmobilers were riding near Harts Pass on Friday when they triggered a large slab avalanche. White House Press Secretary Karoline Leavitt tells ...

There are two ways to trigger avalanches: stress the snowpack or weaken it. Dry slab avalanches, which are common in the colder winter months, occur when too much weight (or stress) is added to the ...