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Erupción explosiva. En la vulcanología, una erupción explosiva es una erupción volcánica del tipo más violento. Un ejemplo notable es la erupción de 1980 del Monte Santa Helena. Dichas erupciones se producen cuando se ha disuelto suficiente gas bajo presión dentro de un magma viscoso de tal manera que la lava expulsa violentamente ...
In volcanology, 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 when sufficient gas has dissolved under pressure within a viscous magma such that expelled lava violently froths into volcanic ash when pressure is suddenly lowered at the vent.
Explosive eruptions are characterized by gas-driven explosions that propels magma and tephra. Effusive eruptions, meanwhile, are characterized by the outpouring of lava without significant explosive eruption. Impact. Volcanic eruptions vary widely in strength.
Explosive eruptions. In explosive eruptions, the eruption of magma is driven by the rapid release of pressure, often involving the explosion of gas previously dissolved within the material. The most famous and destructive historical eruptions are mainly of this type.
Volcano—eruption [5]Age (millions Of Years) [n 2]LocationVolume (km 3) [n 3]Guarapuava —Tamarana—Sarusas1328,600Santa Maria—Fria~132Paraná and Etendeka traps7,800Lake Toba Caldera —Youngest Toba Tuff0.073Sunda Arc, Indonesia2,000–13,200Guarapuava —Ventura~132Paraná and Etendeka traps7,600Una erupción volcánica es un fenómeno geológico caracterizado por la emisión violenta en la superficie terrestre, por un volcán, de lavas y/o tefras acompañadas de gases volcánicos. Se excluyen de esta definición los géiseres, que emiten agua caliente, y los volcanes de lodo, cuya materia, en gran parte es orgánica.
Una erupción freatomagmática es una erupción volcánica explosiva como consecuencia de la interacción entre agua y magma. Las erupciones freatomagmáticas son diferentes de las erupciones magmáticas y freáticas.
An eruption column or eruption plume is a cloud of super-heated ash and tephra suspended in gases emitted during an explosive volcanic eruption. The volcanic materials form a vertical column or plume that may rise many kilometers into the air above the vent of the volcano.
