Etna is one of the world's most active "stratovolcanoes;" these are cone-shaped volcanoes, built up by alternating layers of lava and erupted rock fragments, that are characterized by explosive ...
"Three out of every four live volcanoes on Earth are here ... according to the USGS Hawaiian Volcano Observatory. And Mount Etna, the tallest volcano in Europe, erupted on Feb. 8 and again ...
The airport closes several times a year due to the active volcano. As well as being the most active stratovolcano in the world, Mount Etna is also Europe’s highest volcano, at about 3,350 meters ...
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