Lichades were formed after the huge earthquake of 426 B.C. , when the land between them sank in the Euboean Sea . According to Greek mythology , their name comes from Lichas , the servant of Hercules who brought the poisoned shirt from Deianira to Hercules . Hercules hurled him to the sea and from his parts these small islands were formed
huge earthquake of 426 B.C.
426 BC Malian Gulf tsunami
Lichades