They were likely killed under the weight of snow nearly as deep as a 10-story building, Alaska State Troopers said Wednesday.

If the deaths are confirmed, it would be the deadliest U.S. avalanche since three climbers were killed in a slide in Washington's Cascade Range two years ago.

An avalanche claimed the life of a snowmobiler near Harts Pass, northwest of Mazama, the Northwest Avalanche Center (NWAC) said.The NWAC reported three snowmo

A snowmobiler died Friday and another rider was injured in a large slab avalanche in the North Cascades, according to the Northwest Avalanche Center.

If the deaths are confirmed, it would be the deadliest U.S. avalanche since three climbers were killed in a slide in Washington’s Cascade Range two years ago. While Alaska State Troopers had ...

If the deaths are confirmed, it would be the deadliest U.S. avalanche since three climbers were killed in a slide in Washington's Cascade Range two years ago. While Alaska State Troopers had been ...

If the deaths are confirmed, it would be the deadliest U.S. avalanche since three climbers were killed in a slide in Washington’s Cascade Range two years ago. While Alaska State Troopers had ...