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

hyaloclastite

Natural environment; Volcano

A deposit formed by the flowing or intrusion of lava or magma into water, ice, or water-saturated sediment and its consequent granulation or shattering into small angular fragments.

hydrothermal reservoir

Natural environment; Volcano

An underground zone of porous rock containing hot water.

hypabyssal

Natural environment; Volcano

A shallow intrusion of magma or the resulting solidified rock.

hypocenter

Natural environment; Volcano

The place on a buried fault where an earthquake occurs.

ignimbrite

Natural environment; Volcano

The rock formed by the widespread deposition and consolidation of ash flows and Nuees Ardentes. The term was originally applied only to densely welded deposits but now includes non-welded deposits.

intensity

Natural environment; Volcano

A measure of the effects of an earthquake at a particular place. Intensity depends not only on the magnitude of the earthquake, but also on the distance from the epicenter and the local geology.