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shield volcanoes.
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Which of the following is true about volcanic eruptions?
Volcanic eruptions act as constructive forces when lava builds up to form volcanoes and plateaus.
Which of these would be indications that a given mountain range was not formed by subduction?
It is not along an ocean coastline. There are no volcanoes.
Where do most volcanic eruptions occur?
Volcanoes are located throughout most of the world. The most active volcanoes are found on the so-called "ring of fire" in Pacific Ocean. Indonesia has several volcanoes including Krakatoa. Hawaii's Kilauea produces the most lava of all active volcanoes in the world. North America has Mt. St. Helens and Mt. Rainier in Washington, USA. Mexico has several including Parícutin and Nevado de Toluca. Europe has Mt. Etna. Generally, volcanoes are located near tectonic plates that are converging or diverging.
Is mt vesuvius a quiet eruption or explosive?
The 1980 eruption was very explosive. Ash was blown 80,000 feet into the air and the mountain is a quarter mile shorter than it was before the eruption.
A volcano formed over time from thousands of lava eruptions that deposit layer after layer of new crust?
A composite volcano is formed over time from thousands of lava eruptions that form layer after layer of new crust. These composite volcanoes are the most prevalent type of volcano.
Which volcano has only nonexplosive eruptions?
shield volcanoes
What type of lithosphere are volcanoes that always have nonexplosive eruptions located?
they are on oceanic lithosphere.
Where are volcanoes that always have nonexplosive eruptions located?
They are located at divergent boundaries and hot spots.
What kind of eruption is produced when basaltic lava that is low is silica flows from a volcano?
quiet nonexplosive eruptionsquiet nonexplosive eruptionsquiet nonexplosive eruptions
When a shield volcano erupts will it have thick or thin lava?
it wil have thin lava because the lava is "runny" and shield volcanoes are made from nonexplosive eruptions so they will be quiet when they erupt.
What can occur during nonexplosive eruptions?
huge lava flows
Is a shield volcano nonexplosive or explosive?
shield volcanoes are only explosive if water somehow gets into the vent
Does ash come out volcanoes?
Only insome eruptions.
What is A type of volcano with gently sloping sides formed by nonexplosive eruptions?
shield
Is a cinder cone volcano non explosive?
Cinder cone volcanoes produce small explosive eruptions.
What are the characterististicsc of the three types of volcanoes?
What are the characterististicsc of the three types of volcanoes?
Magma that is low in silica and produces nonexplosive eruptions?
Low viscosity mafic magma.
