the.com/icefall
a glacier caught mid-collapse, falling so slowly you mistake violence for a view
means A steep, broken section of a glacier where the ice flows over a sudden drop, cracking into a chaotic jumble of crevasses and tumbling blocks (séracs).
from A plain compound of "ice" and "fall," built on the model of "waterfall" — the same word, but for a river frozen into slow motion. "Ice" comes from Old English "īs," with cousins across the Germanic languages (German "Eis," Old Norse "íss"), and "fall" from Old English "feallan," to drop. The mountaineering sense rose with the sport itself, as climbers borrowed the everyday words to name the frozen cataracts blocking their way.
- speed
- can creep meters per day, fast for ice
- khumbu danger
- Everest's icefall is its deadliest stretch
- seracs
- ice towers the size of buildings, ready to topple
- sound
- groans and cracks signal moving glacier underneath
- formation
- happens where a glacier flows over steep terrain
seracs of khumbu icefall — everest's deadly glacier section where climbers navigate collapsing ice blocks, ~100 deaths since 1921
perito moreno glacier calving — argentina's los glaciares park where 60-meter ice cliffs collapse daily into lake argentino
siachen glacier icefall — world's highest glacier battleground between india and pakistan at 5,430m elevation