The Mediterranean Sea flooded 12,800 years ago (not sure about the Black Sea) according to this paper, “The Flooding of the Mediterranean Basin at the Younger Dryas Boundary,” here: http://maajournal.com/Issues/2019/Vol19-1/7_Jaye%2019(1).pdf
According to its author, geology made a huge mistake when it concluded that there was never The Flood. Recognizing that there was a planet altering event and, quite importantly, that we are not adapted for its aftermath, sorta puts into perspective all the crap going on now - we’re reaching the end of necessary resources that allow for survival.
He has more here: https://theworldwideflood.com/
For my money Walt Brown’s hydroplate theory provides the best scientific explanation for the age of the Earth and a global flood.
Center for Scientific Creation
https://www.creationscience.com/
Hydroplate Theorty on Origins of Radioactivity
https://www.bing.com/videos/search?q=hydroplate+theory+youtube&docid=608032065013023603&mid=2471CC61BDC3B99CEEEC2471CC61BDC3B99CEEEC&view=detail&FORM=VIRE
Hydroplate videos for creationscience.com
https://www.bing.com/videos/search?q=hydroplate+theory+youtube&docid=608006011665713464&mid=7EF98796E9306885F12F7EF98796E9306885F12F&view=detail&FORM=VIRE