Mount Etna than fiery, associations, before her incorporation into the folklore of Sicily. For another Sicilian conception of the fairy realm or castle of Morgan le Fay – see Fata Morgana (mirage) re. an optical phenomenon common in the Strait of Messina. Volcanic activity first took place at Etna about 500,000 years ago, with eruptions occurring beneath the sea off the ancient coastline of Sicily. About 300,000 years ago, volcanism began occurring to the southwest of the summit (centre top of volcano) then, before activity moved towards the present centre 170,000 years ago. Eruptions at this time built up the first major
Etna Iron Works to acquire the businesses of most of his major New York competitors, who had fallen on hard times. Roach subsequently consolidated his operations at the Morgan Iron Works, and some time afterward rented the Etna Works to the inventor Thomas Edison, who turned it into a dynamo factory. The Roach family sold the former Etna Works property in 1887. The Etna Works buildings, along with the street on which they were located, were later liquidated in a city redevelopment. Notable achievements of the Etna Iron Works include the building of the steam-operated Third Avenue Harlem Bridge in 1864, and the