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  • April 22, 2021
[Frontier Letter] Volcanological challenges to understanding explosive large-scale eruptions

Large-scale explosive eruptions with caldera collapse are one of the causes of the global-scale disasters that modern society has never experienced. To understand the process of caldera-forming explosive eruptions and prepare for the potential risks, we need to understand the accumulation process of voluminous magma in the Earth's crust and the triggering mechanism of sudden destabilization and eruption of magmas from the magma chamber. This requires interdisciplinary researches that integrates the methods from various fields of geoscience, such as detection of magma chambers or reservoirs in Earth’s crust by various exploration methods and reconstruction of eruption conditions by petrological approaches. This work provides an overview of the research targets and methods to understand the preparation processes and evolution of large explosive eruptions. View articles: