surging glacier
a glacier that experiences a dramatic increase in flow rate, 10 to 100 times faster than its normal rate; usually surge events last less than one year and occur periodically, between 15 and 100 years.
Image
![https://nsidc.org/sites/default/files/cryosphere/glossary/surging_glacier.jpg surging_glacier.jpg](/sites/default/files/styles/large/public/2020-12/surging_glacier.jpg.webp?itok=4ElUX85V)
In 1941, Hole-in-the-Wall Glacier surged, also knocking over trees during its advance.
World Data Center for Glaciology, Boulder, CO
Topic(s):
glaciers