Then there needs to be a trigger. A snowpack may be seemingly stable until a snowmobile or skier disturbs it enough that the snow starts to move. Strong winds or rock falls may also cause an avalanche. Blowing snow can create wind loading and build up into cornices, creating an overhang that can eventually fall and trigger an avalanche below.

An avalanche cascaded down an Alpine mountainside near Zermatt, Switzerland, on Tuesday, before slamming into a train. No injuries were reported.

A weekslong “snow drought” in Northern California's Sierra Nevada helped set the stage for Tuesday's deadly avalanche, after several feet of new snow fell on an earlier layer that had hardened

One skier remains missing and is presumed dead after an avalanche buried a group of skiers near Lake Tahoe on Tuesday.

Fresh snow on Mount Shasta may look inviting, but avalanche experts are warning backcountry skiers that conditions can quickly turn deadly.According to the Moun

Avalanche experts urge preparation as 2025–2026 fatality numbers climb toward record territory.

The police said several other rescues took place. The avalanches happened amid severe weather warnings across the region.

The young girl and the father were killed in separate incidents this week, the latest in a string of avalanche deaths in the West.

A recent storm boosted Colorado's snowpack as well as dangerous avalanche conditions.

A dump of snow over the last four days has created some variability in the snow conditions in the backcountry across the West Kootenay, according to Avalanche Canada (AC).

Alta Ski Area and Snowbird Resort in Little Cottonwood Canyon, Utah, have received colossal amounts of snow over the past few days, prompting both resorts to enforce interlodge overnight, which was lifted Thursday morning.