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Before a volcano erupts for the first time there is magma or molten rock being forced toward the surface. If you see that the volcano already exists then it has already erupted in the past, probably numerous times, even if none of those eruptions have occurred in recorded history.
What else can I help you with?
What climates do volcanoes need to be in to erupt?
Volcanoes can erupt in any climate. Climate does not affect a volcano's ability to erupt.
Where does volcanoes mostly erupt in?
they mostly erupt in Hawaii
How do cinder cone volcanos erupt?
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.
Are all volcanoes destructive?
Volcanoes are only destructive to people and property when they erupt. Volcanoes can lie dormant for decades before they erupt. The Hawaiian Islands were all formed from eruptions of volcanoes in the ocean.
What are the two ways volcanoes erupt?
there lots of diffrent ways slow steady fast .
Do tsunamis erupt?
No. Volcanoes erupt.
How many volcanoes erupt yearly?
About 60 volcanoes erupt each year.
How many volcanoes can erupt at once?
An unlimited amount of volcanoes can erupt at once
Do volcanoes erupt at the end of the year?
Volcanoes can erupt at any time of year.
What climates do volcanoes need to be in to erupt?
Volcanoes can erupt in any climate. Climate does not affect a volcano's ability to erupt.
What do volcanoes do before an earthquake?
they don't' do anything earth quake are what provoke them to erupt
What type of volcano does and does not erupt?
Active volcanoes erupt. Dormant volcanoes are quiet - but may erupt again some day. Extinct volcanoes have "closed up shop" for good, and will never erupt again.
Are volcanoes considered volcanoes when they erupt?
Yes, they are.
What makes composite volcanoes to erupt?
Ash and Gas make composite volcanoes erupt i believe
Where does volcanoes mostly erupt in?
they mostly erupt in Hawaii
What volcanoes erupt gently?
Shield volcanoes erupt least violently cinder cone most violently and compost can erupt either way.
When volcanoes erupt will they ever erupt again?
Yes, they often erupt again.
