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Question : Vulcanism is very common in Iceland, but glaciers cover 11 p...

Vulcanism is very common in Iceland, but glaciers cover 11 percent of its surface area. This is why volcanic eruptions quite often occur under glaciers, as one did in October 1996 under Vatnajokull, Europe’s largest glacier. At the site of the eruption, the glacier was 500 m thick and more or less smooth and flat. After a day’s activity, the visible sign of the eruption was a deep crater-like depression on the surface of the ice cap, in the form of an upside-down cone with a depth of 100 m and a diameter of 1 km. Explain the formation of depression. What would have been found under the ice crater at this time? Try to predict the subsequent events.

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