What Causes a Plinian Eruption?

What Causes a Plinian Eruption?

A Plinian Eruptions. In Plinian eruptions the exsolution of magmatic volatiles in the volcano's conduit leads to disruption and explosive ejection of pyroclastic material and the formation of an eruption column

eruption column
An eruption column or eruption plume is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption. ... Stratospheric injection of aerosols by volcanoes is a major cause of short-term climate change.
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, which is sustained for hours or days above the volcano.

What is Plinian eruption?

Plinian eruptions are large explosive events that form enormous dark columns of tephra and gas high into the stratosphere (>11 km). Such eruptions are named for Pliny the Younger, who carefully described the disastrous eruption of Vesuvius in 79 A.D.

Where would a Plinian eruption occur?

The Plinian type is an intensely violent kind of volcanic eruption exemplified by the outburst of Mount Vesuvius in Italy in 79 ce that killed the famous Roman scholar Pliny the Elder and was described in an eyewitness account by his nephew, the historian Pliny the…

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