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Volcano
A vent or opening in a planet's surface that lets out pressurized molten rocks or magma, and gases from the inner core. Volcanoes come in various shapes and structure, but the most common ones are mountain-like structures with a crater at the summit.
Industry: Natural environment
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Volcano
fumarole
Natural environment; Volcano
A vent or opening through which issue steam, hydrogen sulfide, or other gases. The craters of many dormant volcanoes contain active fumaroles.
geothermal power
Natural environment; Volcano
Power generated by using the heat energy of the earth.
graben
Natural environment; Volcano
An elongate crustal block that is relatively depressed (downdropped) between two fault systems.
guyot
Natural environment; Volcano
A type of seamount that has a platform top. Named for a nineteenth-century Swiss-American geologist.
harmonic tremor
Natural environment; Volcano
A continuous release of seismic energy typically associated with the underground movement of magma. It contrasts distinctly with the sudden release and rapid decrease of seismic energy associated ...