Tag: goran_ekstrom

Columbia Seismologist Warns Glacier Retreat Is Making Deadly Tsunamis More Likely

24 Sep 2026 3:00 p.m. · Source: Columbia University

Columbia's Goran Ekstrom explains how a 200-million-ton rock collapse sent water 1,500 feet up an Alaska fjord, and why retreating glaciers make such tsunamis more likely near cruise routes.

Science & Technology Environment Climate Change Disasters Education Alaska Nepal Goran Ekstrom Columbia University Tracy Arm fjord tsunami landslide glacier retreat climate risk newsletter