Avalanche defined as a rapid snow mass flow down slopes. Forms when weak layers collapse under slab weight. Four types: slab, loose snow, wet snow, and glide avalanches. Triggers include heavy snow, ...

An avalanche is a sudden, fast-moving slide of snow down a mountain slope, triggered when weather conditions weaken the ...

Experts say the avalanche that killed one person and injured another at Palisades Tahoe Wednesday morning isn’t the first to occur in the Tahoe region this season and it won’t be the last. According ...

Avalanche season in the Cascades and Olympics is here. This season’s first avalanche fatalities occurred late last week near ...

DENVER | Road crews in parts of Colorado, Montana and Wyoming worked Friday to clear avalanches that had closed mountain highways and to mitigate potential avalanche threats. In south-central Colorado ...

Four men were recreating in backcountry snow in the mountains of Kittitas County when they were caught in an avalanche on Jan. 9, authorities said.