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Magma and pieces of rock that fly through the air in a wreck of destruction during a violent eplosive eruption.
Built out of layers on runny, non-explosive lava. They are large and non-explosive.
cinder cone volcano
A volcanic cone created entirely from pyroclastic material. They are small and explosive.
They are built out of pyroclastic material and layers of runny non-explosive lava. Are sometimes explosive, and sometimes aren't.
Forms when a magma chamber empties, and the ground above it falls in, creating a large, sinking depression.
They form similarly to sheild volcanoes; built out of layers of runny, non-explosive lava. They aren't volcanoes.
A volcano that hasn't erupted in recorded history and most likely will never erupt again.
An instrument that measures earthquakes. If many earthquakes that are small occur in a reletively short amount of time around a volcano, it may mean that the volcano is going to erupt soon.
An intrument that measures the difference of the sope of a volcano that can change, leading scientists to believe whether or not it will erupt. It isn't 100% accurate.
cinder cone volcano
CHARACTERISTICS: A small, explosive volcano that is made entirely from pyroclastic material.
CHARACTERISTICS: A gigantic, non explosive volcano made from repeated layers of non-explosive lava.
CHARACTERISTICS: A combination completely of the other 2 types of volcanoes, forms by both repeated layers of runny lava and by pyroclastic material, its' size can vary, and can be both explosive and non-explosive.
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