to the
reservoir becoming unstable and the release of a jökulhlaup. Jökulhlaups
from Eyjafjallajökull in 2010 are an example of this
type of flood. In
large eruptions, such as Katla eruptions underneath Mýrdalsjökull, ice
melting can be very rapid and substantial in volume, resulting in large
floods.Jökulhlaups cause by melting due to hot pyroclastic flow
onto snow and ice in explosive
/volcanoes/grimsvotn-activity/faq/