When water is ejected from the earth's interior in the form of hot water, it is called a geyser and hot spring. The efficiency of a geothermal plant is about 15%.
Hot springs are defined as springs generated by the emergence of heat groundwater onto the Earth's surface.
A geyser is a specific type of spring that ejects heat water, which is accompanied by steam.
In general, these geological formations (geysers) are associated with volcanic areas.
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