Quel est le type du volcan Etna ?
Quel est le type du volcan Etna ?
L'Etna alterne les éruptions effusives (ce qui le classe parmi les volcans rouges émettant des laves très fluides, qui donnent, en refroidissant, des trachy-basaltes) et les manifestations explosives. Ses éruptions sont donc de type strombolien.
Quelle est la forme de l'Etna ?
On estime que le processus de formation de l'Etna a commencé il y a plus de 500 000 ans par de violentes éruptions sous-marines qui ont transformé le terrain et fait surgir la terre sur laquelle se trouve aujourd'hui la ville de Catane. L'Etna est un volcan actif dont les limites changent constamment.
Où se situe l'Etna Le volcan ?
Catane Etna/Province Volcan actif composé situé au nord-est de la Sicile, où il domine la ville de Catane du haut de ses 3 350 mètres d'altitude (en 2008, mais l'altitude varie avec l'activité du volcan). Le plus haut volcan d'Europe, l'Etna, encore actif, domine l'île de Sicile.
Is Etna a stratovolcano or a shield volcano?
- Mount Etna consists of two edifices: an ancient shield volcano at its base, and the younger Mongibello stratovolcano, which was built on top of the shield. The basaltic shield volcano eruptions began about 500,000 years ago, while the stratovolcano began forming about 35,000 years ago from more trachytic lavas.
Are there any volcanoes near Mount Etna?
- There are many theories as to why Mount Etna is so active. Mount Etna, like other Mediterranean volcanoes such as Stromboli and Vesuvius , rests on the subduction boundary where the African tectonic plate is being pushed under the Eurasian plate .
What is the biggest eruption of Mount Etna?
- The biggest eruption in Mount Etna’s history began on 8th March 1669, causing horrifying devastation to the island of Sicily .
When was Mount Etna last eruption?
- Mount Etna is an active stratovolcano from Sicily , Italy. It has erupted a lot of times from its birth (around half a million years ago) until the last eruption which occurred on 8th April 2010.
