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…

Eifel Volcanic Field II

Recently Nathan took you on a comfortable journey into the Eifel volcanic field. But what is the origin of this intraplate volcanism and where will the journey go? About 400 million years ago during the Devonian, the Age of Fish, when only plants and insects roamed the land, Laurussia and Gondwana converged into the supercontinent…