The Only Volcano on Earth You Can Explore From the Inside

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Image: Pétur Reynisson

Lava plains

Over the years, we’ve all seen some pretty amazing photographs of volcanoes – from epic eruption shots with rivers of bubbling lava, to more peaceful images of dormant volcanoes and water-filled craters. In fact, the only perspective we don’t see very often is what a volcano looks like from the inside. Obviously, few people would be crazy enough to explore the interior of an active volcano, and even dormant volcanoes are normally inaccessible as they tend to be plugged up with solidified lava. Thrihnukagigur volcano in Iceland is the only known exception.


Image: Ólafur Ólafsson

It’s a long way down…

Iceland is well known for its volcanic landscape. And in April 2010, eruptions in Eyjafjallajökull made international news when the expelled clouds of ash caused almost a week of disruptions to air traffic all over Northern and Western Europe.

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Image: Pétur Reynisson

Beginning the descent into Thrihnukagigur

In all, there are 30 active volcano systems in Iceland, with this large number a result of the country’s position on the volatile mid-Atlantic ridge. So for anyone interested in studying volcanic systems, Iceland is the place to go!

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