Descendants of Legendary Atlantis: Are Northern Europeans more pure descendants of the Atlanteans than their Mediterranean counterparts?

... only the redheads and ginger folk.

Yup, 1600BCE was when the Minoan civilization went phut as a result of the eruption of Thera.

Here's a map (black dashes and label are my additions)

I've often thought that the bathymetry of this area suggests a much larger caldera, but it'd be truly enormous.

LIDAR does apparently work underwater, but really you want sediment-penetrating sensing technologies.
--
simon