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Instructions The Plinys Observations (1) Interpretations (2) Processes Fallout (3) Flows (4-5) Field Work Deposits (6) • Vesuvius (7) • Pompeii (8) • Herculaneum (9) Hypotheses (10)
Homepage Vesuvius 79 AD Laki Fissure 1783

Pyroclastic flow at Mt. Mayon, Philippines (USGS)

Factors Controlling Explosive Eruptions

On this page you will examine the features that control the behavior of explosive eruptions by using this cross-section of an erupting volcano. Roll the mouse over the labelled parts of the figure below to learn more about them.

Explosive Eruptions

Now you are ready to simulate some explosive eruptions and vary the magma discharge rate and gas content to see what happens.