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Submarine terraced deposits linked to periodic collapse of caldera-forming eruption columns - Nature Geoscience
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Catastrophic, caldera-forming explosive eruptions generate hazardous ash fall, pyroclastic density currents and, in some cases, tsunamis, yet their dynamics are still poorly understood. Here we use scaled analogue experiments and spectral analysis of well-preserved concentric terracing of seafloor deposits built by submarine caldera-forming explosive eruptions to provide insights into the dynamics governing these eruptions and the resultant hazards.
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