For latest information, see Remarks of a specialist (in red) on the Hydrology front page.
Background
Jökulhlaups 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 cubic metres per second. When the interval
between floods is short the flood tends
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