How Is A Geyser Different From A Volcano?

What is a Geyser?

A geyser is a natural hot spring that periodically erupts hot water and steam. These eruptions are caused by underground water being heated by molten rock beneath the Earth’s surface. When the water reaches a boiling point, it creates pressure that eventually forces it to erupt through a vent, resulting in a spectacular display of water and steam.

What is a Volcano?

A volcano, on the other hand, is a vent in the Earth’s crust through which molten rock, ash, and gases are ejected. Volcanoes can be found on land or under the ocean and are typically associated with tectonic plate boundaries. When a volcano erupts, it can release lava, ash, and gases, creating a range of hazards for nearby communities.

Main Differences Between a Geyser and a Volcano

  • A geyser erupts hot water and steam periodically, while a volcano erupts molten rock, ash, and gases.
  • Geysers are typically found in areas with geothermal activity, while volcanoes are found near tectonic plate boundaries.
  • Geysers are relatively small in size compared to volcanoes, which can range from small cones to massive mountains.
  • Geysers pose minimal danger to surrounding areas, while volcanoes can be highly destructive and pose risks to human life and property.


While both geysers and volcanoes are natural phenomena that involve the release of pressure from beneath the Earth’s surface, they are distinctly different in terms of their mechanisms, locations, and impacts. Geysers provide a unique and mesmerizing display of nature’s power, while volcanoes are powerful and often dangerous forces of nature that can have devastating consequences.

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