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…
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…
First of all, this is not an article about earthquakes. It is a series about the sound that earthquakes emit as they happen, how that sound is travelling, and how it is detected. In a way it is not about earthquakes at all, or not even really about sound, instead it is about the strange…
A couple of weeks ago I started a series about which volcanoes I think are most likely to erupt in Iceland. The most likely of them is Hekla right now, but as time goes by that will sooner or later be Grimsvötn. Grimsvötn is the most frequently erupting volcano in Iceland however you count it.…
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