cauldron, so travellers on Vatnajökull should stay
away from the region, including the lower part of Skaftárjökull and Tungnárjökull, where floodwater could
burst through the surface.
Background
Floods in Skaftá are sourced from
two ice
cauldrons, formed due to persistent geothermal
activity beneath Vatnajökull. On
average, the
cauldrons drain every
two years, producing floods of up to 1,500
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