Etna DOC affects the maturation of the grapes and therefore there is a significant difference between the harvest period of the Etna and the rest of the Sicily areas. The soil is volcanic and very rich in minerals. It is formed by the disintegration of one or several types of lava of different ages and eruptive materials such as lava, ash and sand. Containing all these particles, the crops cultivated on Etna soil benefit from nutrients like iron, copper, phosphorus, magnesium and others. Etna DOC Etna is a "Denominazione di origine controllata" (DOC) for wine from the Etna region in Italy. Etna
Mount Etna on a new site, and its church contains the Italian fascist symbol of the torch, placed above the statue of Jesus Christ. In early November 2008, the town of Mascali commemorated the 80th anniversary of the eruption and destruction of the village with a number of public events where eyewitnesses shared their memories of the eruption. Other major 20th-century eruptions occurred in 1949, 1971, 1979, 1981, 1983 and 1991–1993. In 1971, lava buried the Etna Observatory (built in the late 19th century), destroyed the first generation of the Etna cable-car, and seriously threatened several small villages on Etna's east flank.