Let’s image the simplest, most boring volcano possible. It consists of a magma balloon fed by a straw. The ground is perfectly flat above the balloon. Magma comes up the straw at a constant ...

This is the third article in our series of re-posts. It is well worth noticing that it was first published well ahead of the volcanic crisis at Volcan Chilles on the border between Equador and ...

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Like other natural disasters, volcanic eruptions can have an impact on civilizations. Of course they can annihilate them, but they can also contribute to their economic development by providing a ...

The double-booked land is also known as the Afar Triangle, a low-lying region wedged into the Ethiopian Plateau. The region is not for the intrepid. The name is synonymous with remoteness. It is also ...

Iceland has ice. Glaciers cover 10% of its landscape, including its highest volcanoes. Of its frequent eruptors, only Hekla is (almost) ice free. Katla, Bardarbunga, and Grimsvötn, which together ...

Mid-oceanic rifts should be in the middle of the ocean they formed. And often they are, but there are exceptions. The Reykjanes Rift, south of Iceland, is one of these. It is well known for its ...

The current Decade Volcano Program First of all, let me make one thing abundantly clear. This is a list put forth by us as suggestion for a new Decade Volcano program. But, in the end it is the ...

In my last article I wrote about the Turkana, volcanism that is part of the Great African Rift. But unbeknownst to most this is just one of several rift systems in Africa that are tearing the ...

The summit of Mount Everest, the highest point on Earth, is a sea floor. That may come as a surprise; after all, a sea should be at sea level. In practice, there is some flexibility on this. Three ...

To me, it’s an eruption because it’s throwing rocks and it’s on a volcano. It could be phreatic or magmatic. It’s phreatic if it’s driven by heated groundwater, or magmatic gasses from an intrusion, ...

As the numbers for the Hunga Tonga eruption continues to come in it is becoming ever clearer that something truly momentous happened, something not seen or heard in 139 years. With a columnar height ...