Amidst the truly spectacular images, the “eye candy”, currently reposted on our FaceBook account, on Twitter and on here by our readers, three possible scenarios emerge. Professor Magnús Tumi Guðmundsson, professor of geophysics at the University of Iceland´s Institute of Earth Sciences and the foremost Icelandic expert on subglacial eruptions outlines the three following scenarios:…
As you may well know, there are many volcanic gases. These gases help drive the eruption. Initially dissolved in the magma, they expand as the pressure is released, driving the magma out of the vent and causing explosive eruptions. One should also note that anything that boils below the temperature of magma (600-1200°C) should be…
Why is a volcano potentially dangerous? Lets take a closer look on the different volcanic hazards. Lets start with Lahars. They occurred at Mount Saint Helens, Pinatubo and at Eyjafjallajökull too. What is a lahar: A lahar is a mixture of volcanic debris with water. They can happen when a volcano has a glacier or…
One of the reasons I do this, is because as I was growing up, having an interest in things Geophysical/Astrophysical, there was always a search for the “wow” factor. Not everyone’s “wow” sense is geared the same… and in some cases, the scale of stuff that people are familiar with has a lot to say…
CAVEAT: I am not a Geologist, Seismologist, Ornithologist, Hematologist, Banker (I have a soul), Congressman (I knew my parents), Auto Mechanic (well, professionally I’m not) or formally trained in any of this. I am an amateur, just like you. In other words, take it with a grain of salt, I can be wrong. This sort…
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