Illustrated Volcano Glossary

Updated: Jul 5, 2022 09:01 GMT - Refresh

effusive

Volcanology: effusive (volcanic) eruption
Lava flow at Mt Etna volcano - a typical effusive eruption
Lava flow at Mt Etna volcano - a typical effusive eruption
A lava flow is the result of an effusive eruptions (here Mt. Etna in Nov 2006)
A lava flow is the result of an effusive eruptions (here Mt. Etna in Nov 2006)
Effusive means flowing out of lava as opposed to explosive eruptions.
If magma is sufficiently fluid and if it is not framented by expanding gasses when reaching the surface vent, it can erupt to form lava flows. This is called effusive eruption. The opposite of effusive is explosive, i.e. fragmentation of magma.

Related keywords (2):

Etna - explosive
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