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  1. Geyser - Wikipedia

    Jet-like eruptions, often called cryogeysers, have been observed on several of the moons of the outer Solar System. Due to the low ambient pressures, these eruptions consist of vapour without liquid; …

  2. Geyser | Definition, Formation, Locations, & Facts | Britannica

    Dec 6, 2025 · Geyser, hot spring that intermittently spouts jets of steam and water. The term is derived from the Icelandic word ‘geysir,’ meaning ‘to gush.’ Geysers result from the heating of groundwater …

  3. What is a Geyser? | Geyser Pictures & Video | Hot Water!

    A geyser is a vent in Earth's surface that periodically ejects a column of hot water and steam. Even a small geyser is an amazing phenomenon; however, some geysers have eruptions that blast …

  4. geyser - National Geographic Society

    Oct 19, 2023 · A geyser is a rare kind of hot spring that is under pressure and erupts, sending jets of water and steam into the air. Geysers are made from a tube-like hole in the Earth's surface that runs …

  5. Geysers—what exactly are they made of? | U.S. Geological Survey

    When this water reaches the surface and erupts as a geyser, the silica-rich waters cool to the surrounding temperature and evaporate. Silica is left behind and forms a deposit of sinter, also …

  6. How Geysers Work - HowStuffWorks

    How Do Geysers Erupt? Now that we understand how the key components of a geyser work, let's figure out how these parts work together to create such spectacular eruptions. The process begins as …

  7. Geysers - Definition & Detailed Explanation - Geothermal Energy ...

    Sep 22, 2025 · A geyser is a natural phenomenon that involves the eruption of hot water and steam from the Earth’s surface. These eruptions can reach impressive heights and are often accompanied by a …

  8. What is a geyser? - Scientific American

    Mar 6, 2006 · What you would have witnessed is a geyser eruption, one of nature¿s most impressive displays of hydrothermal energy. They occur where magma lies just below the earth¿s surface, …

  9. Geyser - WorldAtlas

    Mar 16, 2023 · A geyser is basically a hot spring that spurts water above the ground. However, it is a unique hot spring because, unlike many other hot springs, geysers erupt periodically—not continuously.

  10. GEYSER Definition & Meaning - Merriam-Webster

    Dec 4, 2016 · A hot spring that discharges intermittent jets of steam and water is called a geyser. Geysers are generally associated with recent volcanic activity. They are produced by the heating of …