Grimsvötn – The Saksunarvatn Tephras

It is sometimes hard to understand the size of the Icelandic volcanic systems. We often read statistical things like “Half of all the ash in Europe” and “One third of all basalt produced in the world” and we still do not really get it because we lack a point of reference. Instead we time after…

100 years of Icelandic volcanism

  Statistics and volcanism does not exactly go hand in hand, especially since it tends to end up with idiots claiming that volcanoes are “overdue”. A volcano is never overdue, they may shift patterns of their eruptions, go into extended periods of dormancy, or pretty much do anything that they jolly well pleases. It is…

The State of Affairs in Vatnajökull

Lately there have been a few earthquakes with a magnitude larger than M3 at the ring fault around the Bárdarbunga caldera. This has led to a lot of question about that particular volcano, and that is to be expected after a medium sized Icelandic eruption. They do tend to attract attention. This has been coupled…

The Dead Zone

Recently, a minor quake occurred out in the Veiðivötn fissure swarm.   A discussion came about from that and mention was made of something that many of us refer to as “The Dead Zone.”  Why that name?  Well, as many have noted, the area is relatively devoid of quakes when compared to the rest of Iceland. …