Thucydides tells us that, about the time of the
Peloponnesian War, the island of
Atalanta, either wholly, or, at any rate,
for the most part, was swallowed up. You may take Posidonius for witness that the same thing happened to Sidon.
English from Clarke (1910) - embedded
see middle of page 256 starting with Thucydides tells us that, about the time of the