* Geyser: This is the most common name, referring to a hot spring that intermittently erupts with a column of water and steam.
* Fountain: This term is often used for a less forceful eruption of water, usually found in a park or garden.
* Spring: This is a broader term for any place where water flows naturally from the ground, but it can sometimes be used for places with more forceful eruptions.
* Boiling spring: This is a type of hot spring where the water erupts at a high temperature.
* Mud volcano: While not strictly water, these are geological formations where mud and water erupt from the ground.
The best name to use depends on the specific characteristics of the eruption.