Ruminarian VI – Launching Hobbits

21 November 2012, Mount Tongariro lofted a 6.5 km column of material from the Te Māri Craters. Analysis turned up that it was a phreatic event, meaning that groundwater had flashed to steam and pulverized some rock, and launched that along with re mobilized ash skyward. Recently, Kverkfjöll had a similar episode. Both events were…

Eruption at Kverkfjöll + Kick’Em Gumbo + NtV Riddle (9)

Yesterday or the day before Kverkfjöll suffered a phreatic detonation, or a phreatomagmatic event. As you all know there have been an increase in deep earthquakes in the area, a sign of increased magmatic activity at depth. There is currently no harmonic tremor present at Kverkfjöll, but as a result a minor Jökulhlaup has started…

Brimstone over Iwo Jima!

68 years ago US troops stormed the beaches of Iwo Jima’s Mount Suribachi, the site where they landed is now a full 17 meters above the ocean surface. I have often written about caldera forming eruption being cyclic, and that as the magmatic system starts to evolve after the cataclysmic event it starts with small…

Red alert at Copahue

Earlier today the authorities in Chile raised the alert lever for Copahue to level Red. This was prompted by an increase of seismic signals such as low frequency magmatic Earthquakes. A sign of the pressure rapidly increasing inside the volcano. The authorities have declared that the exclusion zone will be increased to 25 kilometers from…