Bardarbunga Holuhraun Update 140910

Amidst the truly spectacular images, the “eye candy”, currently reposted on our FaceBook account, on Twitter and on here by our readers, three possible scenarios emerge. Professor Magnús Tumi Guðmundsson, professor of geophysics at the University of Iceland´s Institute of Earth Sciences and the foremost Icelandic expert on subglacial eruptions outlines the three following scenarios:…

Changes in Bárdarbunga Caldera

During a scientific over flight a marked and unexpected drop was noticed in the caldera floor of the Bárdarbunga Central Volcano. The drop was 15 meters, and is as such the largest deformation of a caldera in Iceland. It is interpreted as the result of magma leaving the magmatic reservoir under the caldera floor. If…

Summer in Iceland

I thought that I should write a short recapitulation on what has been going on during the summer in Iceland for those who have been otherwise occupied with gardening, beach visits and other general summer activities. I also think that it would be good with a general recapitulation for everyone. As always I am not…

Volcano – a mountain that spits fire? Volcano basics part 2

How do the insides of a volcano look like? Most volcanoes form a cone, as you can see in the graphics above. During an eruption the volcano flings out material which builds up, layer upon layer, and often forms this form of landscape. There are different types of cones: stratocones, spatter cones, ash cones, tuff cones, and cinder cones. What a volcano…