the.com/serac
a glacier's fang of ice, hanging quiet until physics decides to drop it on you
means A serac is a large, often unstable block or pinnacle of glacial ice, formed where a glacier fractures into a chaotic jumble, especially on steep terrain or in icefalls.
from From French sérac, the name of a soft white cheese once made in the Alps. Swiss mountain-folk looked up at the white, lumpy blocks of broken glacier ice and thought of the curdled blocks of their cheese — so the glacier's frozen towers borrowed the name of the dairy. The cheese-word itself likely traces back to Latin serum, 'whey,' the watery part left over from curdling milk.
- named for
- a French cheese it vaguely resembles
- size
- can rival a multi-story building
- the danger
- collapses without warning, no schedule given
- climber's nightmare
- infamous on the Khumbu Icefall route to Everest
- motion
- forms where glaciers buckle over steep terrain
perito moreno glacier — massive seracs in patagonia, argentina constantly collapse creating thunderous explosions visible for miles
khumbu icefall — everest's most dangerous section with unstable seracs killing dozens of climbers per year
mont blanc seracs — route du goûter climb passes through active serac field on western europe's highest peak