The Great Exodus.
The greatest of all Lemurian colonies was Atlantis, founded in India, already during the heydays of Lemuria, and which, in time, reached the apex of human grandeur. Atlantis and Lemuria had prospered for a full zodiacal era (2,160 years), when the great cataclysm destroyed their common world, at the end of the Pleistocene, some 11,600 years ago.
The scant survivors of the cataclysm that sunk Lemuria away were forced to flee their destroyed Paradise, moving first to India, the site of Atlantis, which had been spared in its northern, loftier portion. But the global catastrophe had also caused the end of the Pleistocene Ice Age, and the melting of the Himalayan glaciers caused huge floods of the rivers of Asia, rendering the region unfit for human habitation. These floods ravaged this remainder of Atlantis, already greatly destroyed by the original cataclysm, the giant conflagration of the Indonesian volcanoes and the huge tsunamis they caused, as well as by the plague that ravaged their country in their wake.
Again, this doomed people was obliged to flee, emigrating, along the ensuing millennia, to remote places such as Egypt, Mesopotamia, Palestine, North Africa, Europe, North Asia, the Near Orient and even Oceania and the Americas. Some came on foot, in huge hordes like those of the Israelite exodus. Others came by ship, like Noah in his Ark or Aeneas with his fleet, to found the great civilizations of the ancient world.
The great civilizations that we know of, in the Indus Valley, in Egypt, in Mesopotamia, Asia Minor, Greece, Rome, Mexico and even the Americas were all Atlantean colonies founded by the survivors of the cataclysm that destroyed the twin Paradises of Atlantis and Lemuria. These colonists, of course, attempted to recreate their Eden in their new homeland. Grooming the already mostly existing locals with there technology and skills though keeping most of the true secrits of the twin paradises quite hidden. Which is why there is great Ledgents for the Mayans and Natives of the Central America of a white man being there gods (note historically this is why the Spanish invaders were able to take Central America with such ease , the Spaniards looked like there once Atlantian gods)
The newcomers named each topographical feature after the archetypes of the pristine abode just as immigrants will do the same nowadays. Such is the reason why we keep finding vestiges of Atlantis everywhere, from Brazil and North America to Spain, Crete, and even Africa and North Europe. All these ancient civilizations spoke of Civilizing Heroes such as Manu, Noah, Aeneas, the Oannéés, Hotu Matua, Quetzalcoatl, Kukulkan, Bochica and, of course, Atlas and Hercules, the omnipresent Twins that founded civilizations everywhere.

**As a side note at this time on earth there was approximately 1 atlantian to every 1000 humans , most of the peoples had died off with the destruction of there empires.