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high viscosity in magma composition.
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Do the most violent volcanoes spew mafic?
No. The most violent eruptions involve felsic magma.
What is common of most volcanoes that have the most violent eruptions?
They feature magma with very high silica content.
What do only the most violent volcanic eruptions feature?
The most violent volcanic eruptions are found in destructive/convergent plate boundaries. 80% of the world's active volcanoes are found occur along destructive boundaries. Acid-lava and composite volcanoes also cause the most violent eruptions as the lava is viscous and the opening of the volcano is sometimes blocked by hardened lava, causing a huge massive explosion during the eruption.
The type of volcano formed from violent eruptions of a volcano?
It is not a composite volcano or a cinder cone volcano... it's not even a shield volcano so it is NOT one of the three main volcanoes
Do volcanoes have a scale magnitude?
Volcanoes don't, but volcanic eruptions do. Volcanic eruptions are rated by Colcanic Explosivity Index or VEI based on the volcume of material ejected. It ranges from VEI-0 for the non-explosive eruption of lava to VEI-8 for the most violent eruptions of supervolcanoes.
Do the most violent volcanoes spew mafic?
No. The most violent eruptions involve felsic magma.
What is common of most volcanoes that have the most violent eruptions?
They feature magma with very high silica content.
What do only the most violent volcanic eruptions feature?
The most violent volcanic eruptions are found in destructive/convergent plate boundaries. 80% of the world's active volcanoes are found occur along destructive boundaries. Acid-lava and composite volcanoes also cause the most violent eruptions as the lava is viscous and the opening of the volcano is sometimes blocked by hardened lava, causing a huge massive explosion during the eruption.
The type of volcano formed from violent eruptions of a volcano?
It is not a composite volcano or a cinder cone volcano... it's not even a shield volcano so it is NOT one of the three main volcanoes
The Indonesian islands have volcanoes with a reputation for violent eruptions The volcanoes in the Hawaiian Islands seldom erupt violently What is the most likely explanation for the difference betw?
the type of lava
Do volcanoes have a scale magnitude?
Volcanoes don't, but volcanic eruptions do. Volcanic eruptions are rated by Colcanic Explosivity Index or VEI based on the volcume of material ejected. It ranges from VEI-0 for the non-explosive eruption of lava to VEI-8 for the most violent eruptions of supervolcanoes.
What type of magma causes violent erpuptions?
Highly viscous felsic magma causes the most violent volcanic eruptions.
Volcanoes typically have the most explosive eruptions?
Large explosive eruptions are generally characteristic of stratovolcanoes.
What is the most violent type of volcanic eruption?
Both the Pelean and Plinian eruptions are violent, and the Plinian (such as Vesuvius) are the most spectacular type. More specifically, there is a designation "ultra-Plinian" to describe highly explosive eruptions such as Kratatoa. The type of eruption that is most violent is when lava, ash and other materials are hurled into the air.
The most violent volcanic activity is associated with?
The most violent volcanic explosions are usually generated from composite volcanoes and andesitic lava flows. These types of eruptions can throw lava and other debris several miles into the atmosphere.
Cinder cones are the most potentially dangerous volcanoes because they generate the most explosive eruptions?
No. The most explosive variety of volcanic activity would be the caldera-forming eruptions of stratovolcanoes. Cinder cone eruptions are only mildly explosive.
Is mount Krakatoa a shield volcano?
No. Caldera and shield volcanoes are quite different. Shield volcanoes usually undergo effusive eruptions, the least violent type and produce basaltic lava. Caldera forming volcanoes erupt explosively and are the most violent. They generally produce rhyolitic lava.
