Between 30 September and 13 October 1996, an Icelandic hyaloclastite ridge named Gjálp erupted. Located under the Vatnajökull glacier shield, its present form resulted from the eruptions, and it is li
Gjálp eruption: Jökulhlaup 1996 over Skeiðarársandur, the piedmont glacier Skeiðarárjökull and Öræfajökull in the background
Vatnajökull: In the western part to be seen are the Grímsvötn caldera (dark half-moon indentation), to the north of it Gjálp, and to the north of Gjálp the completely subglacial caldera of Bárðarbunga
This kind of eruption, but under a glacier shield
Ice cauldrons merging to form an ice canyon at the glacier covered Colombian volcano Nevado del Tolima
Grímsvötn is an active volcano with a fissure system located in Vatnajökull National Park, Iceland. The central volcano is completely subglacial and located under the northwestern side of the Vatnajök
Grímsvötn and the Vatnajökull glacier, Iceland, July 1972
Satellite images of the November 2004 Grímsvötn Eruption. The lower image assigns a false color (red) to the surface ice.
Satellite image from 22 May 2011 of the volcanic plume above Iceland
View of Icelandic landscape beneath the ash-cloud during the 2011 eruption