Three snowmobilers were partially buried by debris when they were caught in an avalanche north of Granby on Saturday.

In a separate incident, four people caught in another avalanche escaped serious injury, Colorado officials say.

The victim was traveling on a terrain feature known as The Nose near Silverton, Colo., when the avalanche occurred on Thursday, officials said.

Sarah Steinwand, 41, of Crested Butte, Colorado, was caught in the debris of the avalanche in the backcountry near Silverton, but a man who was skiing with the snowboarder escaped

A snowboarder in Colorado's backcountry was killed in an avalanche west of Silverton on Thursday.According to the Colorado Avalanche Information Center, a skier and snowboarder were traveling in the Middle Fork of Mineral Creek drainage when they were caught in an avalanche in the terrain known as The Nose.

As one man became buried, the other tried to locate him by using his avalanche rescue transceiver, officials with the Colorado Avalanche Information Center (CAIC) said.