Dictionary of Human Evolution and Biology

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Plinian Eruption

Large volcanic eruption, as defined by measures on the Dust Veil Index and the Volcanic Explosivity Index, e.g. the eruption of Mt. Vesuvius in AD

79. Such eruptions are thought to reduce the amount of solar radiation that reaches the earth by more than 10% annually, and to have a cooling effect on the earth’s climate. Smaller eruptions are termed Hawaiian, Strombolian, and Vulcanian.

See ultra-Plinian eruption.

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