an explosive eruption is a volcanic eruption of the most violent type. A notable example is the 1980 eruption of Mount St. Helens. Such eruptions result...

phreatomagmatic eruptions There are two types of eruptions in terms of activity, explosive eruptions and effusive eruptions. Explosive eruptions are characterized...

eruptions contain juvenile (magmatic) clasts. It is common for a large explosive eruption to have magmatic and phreatomagmatic components. Several competing...

The volcanic explosivity index (VEI) is a relative measure of the explosiveness of volcanic eruptions. It was devised by Christopher G. Newhall of the...

Plinian eruptions or Vesuvian eruptions are volcanic eruptions marked by their similarity to the eruption of Mount Vesuvius in 79 AD, which destroyed...

two major groupings of eruptions: effusive and explosive. Effusive eruption differs from explosive eruption, wherein magma is violently fragmented and rapidly...

different types of volcanic eruptions and associated activity: phreatic eruptions (steam-generated eruptions), explosive eruption of high-silica lava (e.g...

eruption is a type of volcanic eruption with relatively mild blasts, typically having a Volcanic Explosivity Index of 1 or 2. Strombolian eruptions consist...

20 March 2010, a small eruption began, rated as a 1 on the Volcanic Explosivity Index. Beginning on 14 April 2010, the eruption entered a second phase...

for the eruptions listed here, estimates of the volume erupted can be subject to considerable uncertainty. In explosive eruptions, the eruption of magma...