Earth & Space 9 Volcano Info

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Some Background Informationabout Volcanoes

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On volcanoes

DEPARTMENT OF EDUCATION

What’s a volcano, anyway?

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On volcanoes

DEPARTMENT OF EDUCATION

Volcano• summit, slope, base• opening in the surface or crust

which allows hot lava, volcanicash and gases to escape from the

magma chamber below the

surface.

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On volcanoes

DEPARTMENT OF EDUCATION

What happens

when a volcano erupts?

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On volcanoes

DEPARTMENT OF EDUCATION

• Active vs Inactive volcanoes

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On volcanoes

DEPARTMENT OF EDUCATION

Classification of olcanoes !"#I$%C&'

Active volcanoes( erupted within historical times

!within the last )** years', accounts of these

eruptions were documented by man+ erupted within

the last *,*** years based on analyses of datablematerials

Inactive volcanoes( no record of eruptions+ physical

form is being changed by agents of weathering anderosion via formation of deep and long gullies

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On volcanoes

DEPARTMENT OF EDUCATION

•%ocation of active volcanoes

in the world

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• The Philippines is one ofthe countries with a lot ofactive volcanoes. Learning

about them will help inpreparing ahead of time.

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eference

  !ewhall" #. $." % Punongba&an" . S.'(ds.). '*++,). -ire and ud/ (ruptionsand Lahars of ount Pinatubo"

Philippines. Seattle and London/0niversit& of 1ashington Press.etrieved 2ugust *3" 3445" fromhttp/66pubs.usgs.gov6pinatubo6contents.html