In California, Mammoth Mountain confirmed Saturday in a social media post that a member of the ski patrol there died from injuries sustained in an avalanche that occurred last week. Officials said Claire Murphy was one of two ski patrol staffers who were caught in a slide during avalanche mitigation work being done the morning of Feb. 14.

A snowboarder was killed in an avalanche in the mountains of southwestern Colorado on Thursday, the fourth person to die in an avalanche in the U.S. West this week after a string of winter storms. Sarah Steinwand,

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

Officials say a snowmobile rider was caught, buried and killed in an avalanche west of Denver on Saturday. According to the Colorado Avalanche Information Center (CAIC), the avalanche occurred on Mines Peak,