Greece's culture ministry said the two third-century wrecks were discovered earlier this month during a survey of an area where a Greek-Italian gas pipeline is to be sunk. They lay between 1.2 and 1.4 kilometers (0.7-0.9 miles) deep in the sea between Corfu and Italy. That would place them among the deepest known ancient wrecks in the Mediterranean, apart from remains found in 1999 of an older vessel some 3 kilometers (1.8 miles) deep off Cyprus.
Angeliki Simossi, head of Greece's underwater antiquities department, said sunken ancient ships are generally found 30-40 meters (100-130 feet) deep. Most scholars believe that ancient traders were unwilling to veer far offshore, unlike warships which were unburdened by ballast and cargo.
"There are many Roman shipwrecks, but these are in deep waters. They were not sailing close to the coast," Simossi said.
"The conventional theory was that, as these were small vessels up to 25 meters (80 feet) long, they did not have the capacity to navigate far from the coast, so that if there was a wreck they would be close enough to the coast to save the crew," she said.
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