Mount Etna is located in Sicily Italy.Etna is about 500,000 years old.Etna is 3,328 metres high or 10,919 ft.Volcanic activity at Etna began about half a million years ago,with eruptions occurring beneath the sea off the coastline of Sicily.300,000 years ago, volcanism began occurring to the southwest of the present-day summit,before activity moved towards the present center 170,000 years ago.Eruptions at this time built up the first major volcanic edifice,forming a strato-volcano in alternating explosive and effusive eruptions.The growth of the mountain was occasionally interrupted by major eruptions leading to the collapse of the summit to form calderas.
Thursday, June 18, 2009
Mount Etna
Mount Etna is located in Sicily Italy.Etna is about 500,000 years old.Etna is 3,328 metres high or 10,919 ft.Volcanic activity at Etna began about half a million years ago,with eruptions occurring beneath the sea off the coastline of Sicily.300,000 years ago, volcanism began occurring to the southwest of the present-day summit,before activity moved towards the present center 170,000 years ago.Eruptions at this time built up the first major volcanic edifice,forming a strato-volcano in alternating explosive and effusive eruptions.The growth of the mountain was occasionally interrupted by major eruptions leading to the collapse of the summit to form calderas.
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