In seismology, the depth of focus refers to the depth at ...
Shield volcanoes, so named for their broad, shield-like ...
An earthquake (also known as a quake, tremor or temblor) is ...
Volcanic gases include a variety of substances given off by ...
It is difficult to distinguish an extinct volcano from a ...
Mount Pelee is an active volcano at the northern end of the ...
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Terms
Blossaries
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Followers
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