On August 10, a massive landslide in Southeast Alaska’s Tracy Arm triggered a tsunami with runup reaching approximately 100 feet near Sawyer Island. Occurring about 50 miles southeast of Juneau, this event coincided with a Mendenhall Glacier outburst flood threatening Juneau neighborhoods. “This is larger than anything in the past decade in Alaska,” said Michael West, Alaska Earthquake Center Director at the University of Alaska Fairbanks. Three kayakers—Sasha Calvey, Billy White, and Nick Heilgeist—barely escaped with their lives when 20-foot waves struck their Harbor Island campsite. “I look out of the tent, and then I see a massive wave coming, … Continue reading 100-Foot Tsunami Hits Alaska: Tracy Arm Landslide Sends 100M Cubic Meters Crashing as Juneau Faces Record Flooding