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

My Terms
Collected Terms

Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including ...

Domain: Natural environment; Category: Volcano

Magma (from Greek μάγμα "mixture") is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other ...

Domain: Natural environment; Category: Volcano

A pyroclastic flow (also known scientifically as a pyroclastic density current) is a fast-moving current of hot gas and rock (collectively known as tephra), which reaches speeds moving away from a ...

Domain: Natural environment; Category: Volcano

Shield volcanoes, so named for their broad, shield-like profiles, are formed by the eruption of low-viscosity lava that can flow a great distance from a vent. They generally do not explode ...

Domain: Natural environment; Category: Volcano

Stratovolcanoes or composite volcanoes are tall conical mountains composed of lava flows and other ejecta in alternate layers, the strata that give rise to the name. Stratovolcanoes are also known as ...

Domain: Natural environment; Category: Volcano

Submarine volcanoes are underwater vents or fissures in the Earth's surface from which magma can erupt. They are estimated to account for 75% of annual magma output. The vast majority are located ...

Domain: Natural environment; Category: Volcano

A supervolcano is any volcano capable of producing a volcanic eruption with an ejecta volume greater than 1,000 km3 (240 cu mi). This is thousands of times larger than normal volcanic eruptions. ...

Domain: Natural environment; Category: Volcano

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