Glacier Features: Crevasses

Crevasses are deep cracks in glacier ice that are caused by the stress of the ice moving over rocky terrain underneath.

Historic photograph of Zadazan Glacier, Europe, 1894Early glacier explorers near a crevasse on Zadazan Glacier in the Pennine Alps, Europe. —Credit: Photograph by Harry Fielding Reid. 1894. Zadazan Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.

Historic photograph of Stockje Glacier, Europe, 1984An explorer nears a crevasse on Stockje Glacier in the Pennine Alps, Europe. —Credit: Photograph by Harry Fielding Reid. 1894. Stockje Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media

Historic photograph of Muir Glacier, Alaska, 1896A group of tourists stands at the edge of a crevasse on Muir Glacier, Alaska, in 1896. —Credit: Photographer unknown. 1896. Muir Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.

Historic photograph of Columbia Glacier, Alaska, 1931Several weathered crevasses rumple the surface of Columbia Glacier in Alaska. —Credit: Photograph by William Osgood Field. 1931. Columbia Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.