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It measures the magnitude of an eruption based on how much debris is ejected. It goes from one to eight, one being the quietest and eight being the worst.
VEI 1) Not too bad. A few rumbles and some ash/lava
VEI 2) A little worse. More ashfall and more hazards
VEI 3) Destructive. Explosions heard far away and ashfall reaches great distances
VEI 4) Serious. Hot gasses, ash, and pumice forms deadly avalanches that travel tens of miles flattening and cooking everything (pyroclastic flows).
VEI 5) Horrible destruction. Pyroclastic flows and ashfall cause major disruptions in local and distant areas.
VEI 6) Devastating. Property completely destroyed. Eruptions consist of a series of detonations followed by powerful shockwaves.
VEI 7) Land is sterilized for tens of miles around. Shockwaves can blow down trees and poorly built homes. Pressurized air waves shatter people's eardrums and blow in windows.
VEI 8) Complete devastation. Usually called super-eruptions, these have a similar effect of asteroid impacts. Sulfur dioxide from the eruption circles the planet and causes decades of nuclear winters, resulting in famine and world-wide riots.
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What vei would a supervolcano have?
A super eruption is generally classfied as one with an explosivity index of VEI 8. Some of the larger VEI 7 eruptions are included as well.
What is a VEI index?
VEI is the volcanic explosivity index. It rates the severity of explosive volcanic eruptions based on the volume of material ejected and the height of the eruption plume. The scale ranges from VEI 0, indicating a non-explosive eruption, to VEI 8, indicating a super eruption. Each step up the scale represents a tenfold increase in the size of the eruption.
What does the VEI stand for?
It could stand for Volcanic Explosive Index. I describes the force of a volcanic explosion
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 is mt st Helens volcanic explosivity index?
The famous eruption of Mount st Helens in 1980 was a VEI-5.
What does vei represent?
Volcanic Explosivity INdex (VEI)
What vei would a supervolcano have?
A super eruption is generally classfied as one with an explosivity index of VEI 8. Some of the larger VEI 7 eruptions are included as well.
How powerful was the eruption of Eyjafjallajökull in 2010 on the VEI index?
10 grades
What is a VEI index?
VEI is the volcanic explosivity index. It rates the severity of explosive volcanic eruptions based on the volume of material ejected and the height of the eruption plume. The scale ranges from VEI 0, indicating a non-explosive eruption, to VEI 8, indicating a super eruption. Each step up the scale represents a tenfold increase in the size of the eruption.
What is a volcano explosive index?
Volcanic explosive index is a measure of how explosive a volcanic eruption is based largely on the amount of material released. It ranges from VEI-0 for non explosive eruptions to VEI-8 for massive super eruptions.
What does the VEI stand for?
It could stand for Volcanic Explosive Index. I describes the force of a volcanic explosion
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 are the volcanic eruption types in order from the least destructive to most destructive?
Hawaiian eruptions are the least severe. It is a 0 on the Volcanic Explosivity Index VEI scale.Strombolian eruptions are relatively mildly explosive 1-2 on the VEI scale.Vulcanian eruptions are 2-3 on the VEI scale.Peléan eruptions are 4-5 on the VEI scale.Plinian eruptions are the most destructive. They are from 6-8 on the VEI scale.http://ete.cet.edu/gcc/?/volcanoes_explosivity/
Was mt pinatubo a category 5?
No. "Category 5" is a rating on a system, used for hurricanes. Mount Pinatubo is a volcano. Volcanoes do not have a rating system but eruptions do: Volcanic Explosivity Index, which ranges from VEI 0 to VEI 8. On this scale the 1991 eruption of Mount Pinatubo was a VEI 6.
What is the volcanic explositivity index of Mount Vesuvius?
The 79 eruption of Mount Vesuvius was estimated to have been a VEI 5.
What is mt st Helens volcanic explosivity index?
The famous eruption of Mount st Helens in 1980 was a VEI-5.
What the 1951 eruption of Mount Lamington register on the Richter Scale?
Volcanic eruptions don't go by the Richter Scale.. perhaps you are thinking of the VEI (Volcanic Explosivity Index) Scale? If so, the VEI of Mt. Lamington was a level 5.
