It is difficult to distinguish an extinct volcano from a ...
Volcanic gases include a variety of substances given off by ...
A pyroclastic flow (also known scientifically as a ...
A fracture is any separation in a geologic formation, such ...
Mount Pelée, standing more than 4,500 feet high on the ...
Mount St. Helens is an active stratovolcano located in ...
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Terms
Blossaries
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Followers
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2
5
41
4
95
10
7
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