Io, moon of Jespiter Jupiter, is famously volcanically active. It has more than 400 active volcanoes, over an area the size of Asia. Some of the volcanic mountains are taller than Mount Everest.

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 ...

It seemed to come out of nowhere. In the midst of a quiet interlude, after the hugely damaging La Palma had ended, when the hugely touristic eruption at Fagradalsfjall failed to re-appear, and the ...

Europe has few volcanoes. It lacks the volcanic magnificence of Indonesia, the grandeur of the Andes, the destructiveness of a St Helens or the beauty of a Fuji. But it can hold its own. This small ...

I readily admit to enjoying large scale volcanism. Yes, small scale volcanism like Tor Zawar may be a fun diversion, but it is the majestic scale that volcanism can take that get my juices flowing. By ...

Heimaey is famous. It is the only place in Iceland known to have first been settled by non-Vikings: the first inhabitants were escaped Irish slaves, before 900 AD, who didn’t last long. Much later it ...

It was the largest volcanic eruption since the start of the world-wide web. The invention of telegraphy in the 1850’s had made long distance connections instantaneous. It changed the world. Newspapers ...

After our ‘quantum Katla’ post, it is now time to return to the real Katla. For in the real world, Katla has been showing unusually strong shaking. It turned out that Henrik had already done much of ...

After the eruption of 1859 came a more prolonged dormancy of 5.1 years. An eruption occurred in 1865-66 at the summit, which raged on for 4 months. Following the 1965-66 eruption came a dormancy of ...

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 ...