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Volcanoes

Making calderas from mud

Mud volcanoes often exhibit calderas, which are large circular depressions at their summit. Detailed mapping around the Caspian Sea suggests that caldera-forming mud volcanoes are dynamically similar to magmatic volcanoes.

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Figure 1: Morphology and internal structure of a mud volcano.

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Kopf, A. Making calderas from mud. Nature Geosci 1, 500–501 (2008). https://doi.org/10.1038/ngeo256

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