Etna DOC agriculture and viticulture. Later on between 1 800 and 500 B.C. the Greeks occupied Sicily. They contributed a lot to the viticulture and the techniques of vinification. Apart from their expertise they introduced new grapes, among which "Grechetto". Its contemporary name is Grecanico and today it can be found in some areas of the Etna region. Mythology is closely tied to the island as well. The early settlers – the Sicels, who inhabited the island before the Greeks worshipped the God of wine Adranus. The Greeks prayed at Dionysus and the Romans revered the wine God Bacco. Etna volcano and
Mount Etna volcanic edifice, forming a stratovolcano 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. From about 35,000 to 15,000 years ago, Etna experienced some highly explosive eruptions, generating large pyroclastic flows, which left extensive ignimbrite deposits. Ash from these eruptions has been found as far away as south of Rome's border, to the north. Thousands of years ago, the eastern flank of the mountain experienced a catastrophic collapse, generating an enormous landslide in an event similar to that seen in the 1980