Wikipedia:Today's featured article/March 18, 2004

A geyser is a special type of hot spring that erupts periodically, ejecting a column of hot water and steam into the air. The name geyser comes from Geysir, the name of the best-known geyser in Iceland; that name, in turn, comes from the word gjósa, "to gush." Geysers are quite rare, requiring a combination of geology and climate that exists in only a few places on Earth. There are only six geyser fields of any size in the world: two in the United States, and one each in Russia, Chile, New Zealand and Iceland. (more...)

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