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How to predict caldera collapses

By 28th July 2019 October 24th, 2019 No Comments

The collapse of a caldera (a large crater that forms shortly after the emptying of a magma chamber/reservoir in a volcanic eruption) is a rare phenomenon. Although only seven have been reported in the last 100 years, these events can cause significant – or even catastrophic – changes in the landscape and volcanic activity. Researchers in France, Australia and Switzerland have now succeeded in identifying the first deep collapses before the first surface collapse during the formation of the 2007 Dolomieu caldera on La Réunion island.

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