Human Triggered Avalanche, 600FT X 350FT, 12″ DEEP | First Of Season For Chugach, AK Anchorage Avalanche Center , Chugach State Park, Alaska, just saw a very large early season avalanche on Saturday. They issued the following report of a recorded observation of the first human triggered avalanche report in the Park this season. “First reported human triggered avalanche of the season in Chugach State Park (Front Range – Powerline Valley – South Ship Lake Pass) yesterday (Saturday). […] Avalanche LadyBrains | October 30, 2017 0 Comments