The
birth of the Island Ferdinandea was announced, between 22 and 26 June
1831, earthquakes alerted to Marsala, Trapani, Palermo and Sciacca with
injury caused to homes from falling debris. "On
18 June 1945, the English fleet Victory at 36 ° 40'56'' E and lat 13 °
44'36'' long. N, near the bank of coral, suffered a violent shock and
two trees were suddenly overthrown as a result of a violent storm,
although at that time the sea was perfectly calm. Suddenly spread
sulphurous fumes in the air so strong that the ship could hardly
breathe. The ship after suffering some damage, took off, and saw from
afar the traveler to get out of the bosom of the sea three huge balls of
fire." By
the 2nd of July the water was boiling at the "Secca del Corallo" (now
Banco Graham), where some sailors, who collected the fish killed by
volcanic activity, fainted in their boats because of the fumes. On July 5
strong earthquakes were felt in Marsala, and finally on 7 July 1831, F.
Trefiletti, commander of Gustavo, first saw the island, 33 miles
south-west from Sciacca, High 30 palms on the surface of the sea, "spits
ash and lapilli." At night the activity was clearly visible from
Sciacca, Memphis, Mazzara and Marsala. The eruption, now subaerial,
built an island, whose dominant color was black and he will see the the
high end of 60 m, width less than 300 and a perimeter of almost 1 km.
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