Holuhraun lava in daylight. Screenshot from a video by Kristinn Ingi Pétursson,

The Long Wait?

Yesterday, the Bardarbunga crisis celebrated its first month. As our readers have already remarked, the IMO has put out an update that summarises the earthquake data over the past month. In all, some 25,000 earthquakes have been registered by the automated system of which no less than 5,900 have been manually checked by a seismologist.…

Grimsvötn 2011 eruption. Photographed by Jóhann Ingi Jónsson.

Rapid inflation at Grimsvötn

I have been tracking what is happening at Grimsvötn since the last eruption and the entire hubbub at Bárðarbunga. If you look at the GFUM GPS station you can see the slow and steady inflation speeding up a bit before the intrusion into the Bárðarbunga system started. In the days prior to the intrusion the…

Image of the Holuhraun eruption taken by the Volcanocafé Productions Film expedition to Bárdarbunga. This image is from the upcoming film by Eggert Norddahl, Bergsveinn Norddahl and Nick Small. Produced by Volcanocafé.

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…

Holuhraun eruption looking north from Dyngjujökull (Photograph by Einar Gudmann)

Bardarbunga Update 20140903

  Since the appropriate Icelandic authorities have today publicly mentioned the possibility of a large, acidic and explosive eruption at Bardarbunga, we now feel free to inform you that this possibility has been discussed by the Dragons, behind closed doors, for well over a week. The key information comes from this official IMO graphic: The…