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Definition
| an opening in the Earths crust that erupts gases ash and magma |
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| opening where magma escapes |
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Definition
| steep sided depression inside a volcano |
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| less common two plates move apart |
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Definition
| where most happen two plates collide |
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Definition
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Definition
| Divergent and convergent boundaries and hot spots |
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| Amount of dissolved gases and water vapor |
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Definition
| more water vapor or gases more explosive |
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Definition
| more silica more explosive |
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| what two factors control the explosiveness of a volcano |
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Definition
| amount of water vapor and silica |
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Definition
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Definition
| intermediate slope ash and lava mix |
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Definition
| shield, cinder cone and composite cone |
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Definition
| Volcanic Exploivity Index |
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Term
| Largest volcano in historic times? |
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Definition
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| Volcano that buried Pompeii? |
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Definition
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| People in Pompeii Were buried in? |
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Definition
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| !600-1982 most people died because of Volcanoes where? |
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| Largest volcano in the world? |
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| Most destructive volcano in U.S. history? |
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