Home > Blossary: Volcano
An article detailing different terms relating to volcanoes and volcanic eruptions.

Category: Geography

19 Terms

Created by: Silentchapel

Number of Blossarys: 95

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There is no consensus among volcanologists on how to define an "active" volcano. The lifespan of a volcano can vary from months to several million years, making such a distinction sometimes ...

Domain: Natural environment; Category: Volcano

A black smoker or sea vent is a type of hydrothermal vent found on the seabed, typically in the abyssal and hadal zones. They appear as black, chimney-like structures that emit a cloud of black ...

Domain: Natural environment; Category: Volcano

It is difficult to distinguish an extinct volcano from a dormant (inactive) one. Volcanoes are often considered to be extinct if there are no written records of its activity. Nevertheless, volcanoes ...

Domain: Natural environment; Category: Volcano

Extinct volcanoes are those that scientists consider unlikely to erupt again, because the volcano no longer has a magma supply. Examples of extinct volcanoes are many volcanoes on the Hawaiian – ...

Domain: Natural environment; Category: Volcano

The places known as hotspots or hot spots in geology are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the mantle elsewhere. They may be unanimously ...

Domain: Natural environment; Category: Volcano

A lahar is a type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris, and water. The material flows down from a volcano, typically along a river valley. Lahars are ...

Domain: Natural environment; Category: Volcano

In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. The geochemistry of lava domes can vary ...

Domain: Natural environment; Category: Volcano

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