earth & space 9 volcano info

7/23/2019 Earth & Space 9 Volcano Info

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Some Background Informationabout Volcanoes



On volcanoes

DEPARTMENT OF EDUCATION

What’s a volcano, anyway?



On volcanoes


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.



On volcanoes


What happens

when a volcano erupts?



On volcanoes


• Active vs Inactive volcanoes



On volcanoes


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



On volcanoes


•%ocation of active volcanoes

in the world



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

about them will help inpreparing ahead of time.



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

earth & space 9 volcano info

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