Timelapse by Ingolfur Bruun, Grimsvotn eruption, 21 May 2011.

Is it a plume? Is it a cloud?

While we are waiting for developments, many of our readers are watching the Mila webcams and commenting on atmospheric disturbances over the vast Holuhraun and Vatnajökull landscapes. What comes up over and over again is the question of how to distinguish between cloud formation of all types (small fluffy clouds, elegant lenticular clouds, convection clouds…

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…

The eruption seen from Jökulsarlón south of Vatnajökull glacier. (Martin Schultz, MBL)

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:…

ritish-Airways-Flight-9 turbine and compressor blades (Image by NOVA13, Wikipedia, CC-BY-SA 3.0)

A few notes on possible flight disruption

[caveat: this is my opinion and in no way should be used for any decision-making] Given the level of disruption caused by the 2010 eruption of Eyjafjallajökull there has been an inevitable level of concern from many readers/commenters on the likelihood of future air travel plans being affected by any eruption in Bardarbunga. Unfortunately we…

Photograph by Eggert Norðdahl. All rights reserved and used under permission.

Bárðarbunga loves Grimsvötn = True

I once again reiterate that it is Icelandic Met Office and Almannavarnadeild ríkislögreglustjóra that has the authority to issue warnings for Iceland in regards of eruptions and jökulhlaups. For airborne ash advisories it is in the following order London VAAC and IMO that issues advisories. That being said here follows a brief update upon what…