Diagram showing the interior of an erupting stratovolcano. A stratovolcano is a type of volcano that has many layers,or strata,that are formed by successive volcanic eruptions. The layers build up to form the cone shape seen here. The eruptions are fuelled by lava,originating in the magma chamber (bottom),which rises up a central vent. Side vents can also form. The side vents at the top have broken through to the surface,while the ones lower down have yet to reach the surface. An example of an active stratovolcano is Mount Etna in Sicily,Italy | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Garlick, Mark |
Taille de l’image : | 5777 px × 3232 px |
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