Tungnafellsjökull – Tectonic Earthquakes

There has been an earthquake swarm at the northern end of the Tungnafellsjökull during the evening and throughout the night. The swarm is still ongoing. There has been a lot of speculation out there in the blogosphere about it being volcanic in nature. It is not, it is purely tectonic. As some of you know…

Askja – A brief update

After an initial spatter of information of the de-icing of Lake Öskjuvatn things are now coming to a full Easter stop. After going through the records for earthquakes during the winter up until now one can easily see that there has not been any elevated level of earthquakes. Regarding harmonic tremor episodes, yes there have…

Hekla – GPS variance

For those who need a brusher up on Hekla I recommend reading the two posts that is linked below if you need a refresher. The first one is a rather traditional write up about Hekla; the second is a revision of how I interpret Hekla based on Papers by Sturkell and Carmichael respectively. https://volcanocafe.wordpress.com/2012/01/02/hekla-general-alert/ https://volcanocafe.wordpress.com/2012/01/10/deconstructing-hekla-hells-gate-revisited/…