1996 eruption of Gjálp

Gjálp (Icelandic pronunciation: [ˈcaul̥p]) is a hyaloclastite ridge (tindar) in Iceland under the Vatnajökull glacier shield. Its present form resulted from an eruption series in 1996 and it is probably part of the Grímsvötn volcanic system. However not all the scientists were of this opinion, as seismic studies are consistent with a 10 km (6.2 mi) lateral dike intrusion at about 5 km (3.1 mi) depth from Bárðarbunga being the trigger event. This does not exclude a shallower secondary intrusion from Grímsvötn being important in the subaerial eruption itself.

1996 eruption of Gjálp
Gjálp eruption: Jökulhlaup 1996 over Skeiðarársandur, the piedmont glacier Skeiðarárjökull and Öræfajökull in the background
VolcanoGjálp
Start date30 September 1996
End date13 October 1996
TypeSubglacial fissure eruption
LocationWestern Vatnajökull
64°32′00″N 17°25′00″W
VEI3
ImpactJökulhlaup over Skeiðarársandur, Hringvegur partially destroyed
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