Sheet dyking at Skjalfandi

We rarely, if ever write articles about earthquake swarms at the Tjörnes Fracture Zone. The reason for that is glaringly obvious, those swarms are incredibly common. Pretty much, a day without fairly intense activity is a rare beast indeed. So, this is a bit outside of the ordinary programming. The area is one of the…

Countdown to Grimsvötn

I have lately read a lot of comments about Iceland being boring and calm. In reality nothing could be more wrong, Iceland is brimming with activity. So, let us take a quick look at some interesting volcanoes before we go to the namesake of this article. Volcanic activity in general If we start in the…

Trembles at Tjörnes

Although the 2,265 volcano-tectonic earthquakes at Planchon-Peteroa as reported yesterday by Georges Vitton (Le Chaudron de Vulcain) is perhaps the more interesting news, our readers are probably more interested in the large earthquake swarms in Tjörnes Fracture Zone. What is happening? Is it an eruption, is an eruption imminent or can an eruption be expected…