East-looking, Jul 1994, photograph showing a large volume of turbulent, sediment laded flood water discharging from the margin of Bering Glacier during a large surge-related outburst flood. Chugach National Forest, Chugach Mountains, Alaska. Bering Glacier flows through Wrangell-Saint Elias National Park. Photo credit: USGS.
A jökulhlaup is a glacier outburst flood resulting from the failure of a glacier-ice-dam or glacier-sediment-dam, or from the melting of glacier ice by a volcanic eruption (Icelandic).