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What type of eruption was pompeii volcano eruption?
The 79 AD eruption of Mount Vesuvius, which destroyed Pompeii, was a Plinian eruption. In fact, it was the description of this eruption by Pliny the Younger that lead to the term Plinian.
What is the date of the first eruption of volcano Rabaul?
The Rabaul Caldera on New Britain famously erupted in 1937 through its sub-vents named Tavurur and Vulcan. During that eruption 507 people were killed. It has erupted as recently as 2006. The 1994 eruption lead to the abandonment of the City of Rabaul as a provincial capitol. The volcano is an old one and the date of the first eruption is not recorded.
What is the different for a hot spot to a eruption?
A hot spot is an area where extra hot mantle material wells up from deep inside the mantle, forming magma that can lead to the formation of volcanoes. An eruption is an event in which a volcano ejects ash, gas, or molten rock. Most volcanoes are not associated with hot spots.
Does higher magma viscosity lead to more violent eruotions?
Typically, yes. Larger volcanoes such as shield volcanoes erupt more frequently than smaller ones. However, the speed of eruption depends on the type of volcano and lava. If the volcano is an acid-lava volcano or a composite volcano, the eruption may be slow and noisy and the acidic lava is viscous, which means it flows slowly, and that it solidifies up the vent and block the lava from flowing out easily, creating a huge "BANG" during eruptions.
Why might a major volcanic eruption lead to cooler temperature over a lrge area around the volcano?
when a large volcanic eruption happens, it'll most likeyl send up a large gas cloud into the air that blocks out the sun for a while. the blockage of the suns heat cools down the surrounding area until the cloud dissipates
What Stages that lead up to volcanic eruption?
Fire,Ash,smoke clouds, and earthquakes
What type of eruption was pompeii volcano eruption?
The 79 AD eruption of Mount Vesuvius, which destroyed Pompeii, was a Plinian eruption. In fact, it was the description of this eruption by Pliny the Younger that lead to the term Plinian.
Which process could lead directly to the formation of a pumice rock?
Explosive eruption of lava from a volcano
What are some examples of causes of primary succession?
Glaciers that will lead a bare surface or a volcano eruption that results in a barren land
What is the date of the first eruption of volcano Rabaul?
The Rabaul Caldera on New Britain famously erupted in 1937 through its sub-vents named Tavurur and Vulcan. During that eruption 507 people were killed. It has erupted as recently as 2006. The 1994 eruption lead to the abandonment of the City of Rabaul as a provincial capitol. The volcano is an old one and the date of the first eruption is not recorded.
Which process could lead directly to the formation of pumice rock?
The process that could directly lead to the formation of pumice rock is volcanice eruptions (explosive eruption of lava from a volcano).
How are gas emissions used for eruptions?
An increase in gas emissions from a volcano can indicate that magma is on the move, which may lead to an eruption. If gas emissions stop or decrease it can be a sign that activity is decreasing or that pressure is building for an explosive eruption.
How are gas emissions used for predicting eruptions?
An increase in gas emissions from a volcano can indicate that magma is on the move, which may lead to an eruption. If gas emissions stop or decrease it can be a sign that activity is decreasing or that pressure is building for an explosive eruption.
Why might a major volcano eruption lead to cooler temperatures over a large area around the area?
Because when the volcano erupts it lets all the hot volcanic acid and lava out of the ground making the earth's surface cooler.
What is the different for a hot spot to a eruption?
A hot spot is an area where extra hot mantle material wells up from deep inside the mantle, forming magma that can lead to the formation of volcanoes. An eruption is an event in which a volcano ejects ash, gas, or molten rock. Most volcanoes are not associated with hot spots.
Does higher magma viscosity lead to more violent eruotions?
Typically, yes. Larger volcanoes such as shield volcanoes erupt more frequently than smaller ones. However, the speed of eruption depends on the type of volcano and lava. If the volcano is an acid-lava volcano or a composite volcano, the eruption may be slow and noisy and the acidic lava is viscous, which means it flows slowly, and that it solidifies up the vent and block the lava from flowing out easily, creating a huge "BANG" during eruptions.
Why might a major volcanic eruption lead to cooler temperature over a large area around the volcano?
Blocking of solar radiation from ash in the atmosphere causing less radiation to reach surface cooler temperatures. *I <3 cupcakes!*:)
