What is a geyser?

A geyser is a spring characterized by gush of water erupting from the earth and accompanied by steam.

Chracteristics of a geyser

1) A gush of water erupting from the earth with steam

2) Only found in a few places on earth

The formation of geysers is due to water deep in the earth heating and  squirting up through a crack or hole in the ground. These condition  exist in only a few places on Earth, so they are fairly rare. Generally all geyser field sites are located near active volcanic areas, and the geyser effect is due to the closeness of hot magnum rocks. Generally, surface water works its way down to an average depth of around 6,600 ft where it contacts hot rocks. The water heats to boiling and the pressurized water results in the geyser effect of hot water and steam spraying out of the geyser's surface vent.

About a thousand known geysers exist worldwide, roughly half of which are in Yellowstone National Park, Wyoming, United States.

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