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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 …

  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 …

  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 …

  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 …

  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 …

  7. Grand Geyser - U.S. National Park Service

    Nov 26, 2024 · Geysers have constrictions in their plumbing systems that prevent water from moving freely to the surface where heat would escape. Water beneath the constrictions …

  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 …

  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 …

  10. 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 …