Volcano

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 energy

Natural environment; Volcano

Energy derived from the internal heat of the earth.

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.

hardness

Natural environment; Volcano

The resistance of a mineral to scratching.

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 ...