You can only suggest this based on colossal ignorance of the geological knowledge we now possess.
The antarctic ice cores alone, going back more than 600,000 years, prove that there was no worldwide inundation of flood waters any time since the origin of Homo Sapiens.
But added to that - a massive set of independently confirming data from the magnetic polarities on the earth to the cinoid beds, hundreds and sometimes thousands of feet thick made up of the crushed shells of countless tiny crinoids...slow depositing shales thousands of feet thick. etc etc.
Tectonic analysis shows the movement, magnetic analysis shows the rate, still measurable today, plus rock composition and fossil evidence shows the timing and the journey.
There is only one coherent explanation for all this, and it precludes any idea that less than 10,000 years ago, the seas were all shallower and the mountains far lower.
Your hypothesis is just stupendously silly. End of story.
Why do so many Fundies seem to have trouble with words of more than two syllables?