MJT wrote: There is a marked difference between an ancient myth and archaeological evidence.
Actually MJ, there is evidence to support the possiblity: [www.sciencedaily.com]
"We found that indeed a flood happened around that time. From core samples, we see that a flood broke through the natural barrier separating the Mediterranean Sea and the freshwater Black Sea, bringing with it seashells that only grow in a marine environment.
When the sediment core samples were brought to the surface, Candace Major, a student intern for the cruise who is now a graduate student at Lamont, discovered sun-bleached freshwater mollusks, fossilized plant roots and cracks in the buried mud indicating that it had once been dried out and windswept.
"These stone walls are on average 1m high and 50cm wide. They are about 100m long. Our water sonar date revealed there are about five such stone walls at the site," said Shieh. Huang said these walls could even have been built about 10,000 years ago
Now if you wish more evidence there is much more, the flood is even depicted on the walls of a Maya Temple. There is always a shred of truth in all myths!