If one looks closely one can see that La Restinga is nested among a lot of small and not so small cones and vents.

El Hierro going bananas?

I have for quite some time had an issue with the Mogi-model as soon as it is used outside of a central volcano. At a central volcano it makes sense to use a point sourced half sphere as a model for predicting amount of magma intruding into the system from given GPS-coordinates. If only the…

The Tanganasoga central volcano, El Hierro, Canary Islands, Spain.

El Hierros center of activity & Riddles

During the last few days activity has continued at El Hierro even though earthquake activity has decreased a lot. Harmonic tremor is though still increasing and GPS uplift is rather dramatic with maximum values at 75mm. With a bit of internet-spelunking I have tracked down where the maximum activity is, an indicator of where a…

Image by IGN. Third LP Earthquake, and what is most likely onset of a heavy magmatic intrusion upwards.

El Hierro – Day 2

This will just be a short update with the information that has come at hand. There seems to be a full on war between Pevolca, Involcan and José Luis Barrera VP of the ICOG (Spannish Association of Geologists). Pevolca has stated that there are some reneval of tectonic earthquakes, with no risk for the population or…

The earthquake that started either the pre-eruptive run up, or a new eruption.

Eruption warning for El Hierro

On the seventeenth of June a new phase of increased earthquakes was observed by commentators on this blog. The level of seismicity was both larger and more numerous than during the previous 3 months. The location of these earthquakes corresponded with the place where the first earthquakes happened during the run up to the previous…