ANCHORAGE, Alaska — A teenager has died after triggering an avalanche, the fourth person killed in snow slides in Alaska this month.

Alaska State Troopers said the body of 16-year-old Tucker Challan of Soldotna was recovered from the avalanche Sunday by the Alaska Mountain Rescue Group.

Troopers said a group of snowmachiners were riding Saturday on the backside of Seattle Ridge in Turnagain Pass, a popular winter recreation area about 60 miles southeast of Anchorage.

“Witnesses stated that…