That's not what the article says. They are talking about a flood in the Black Sea _ONLY_.<quoted text>
The Comeback of Noah's Flood
In 1997 two marine geologists, William Ryan and Walter Pitman, published a book about Noah's Flood—the real one they discovered themselves. It's a geologic event that they say occurred several thousand years before the ancient Hebrews wrote the story down in its familiar 40-days/40-nights form. The response among Ryan and Pitman's readers was approving interest and follow-up research, the cultural equivalent of polite applause.(See my review.)
The very first "theories of the Earth" assumed a universal Flood for two good reasons: the word of God described it in convincing detail and the majority of the rocks of Europe were obviously formed under water (and having never seen lava flows, many early thinkers considered even basalt a marine sediment). But the geologic evidence grew and its contradictions with scripture could no longer be denied.
To the people living in THAT area, it was very dramatic (as ALL regional floods are to the people in those areas). However, that is not evidence of a _GLOBAL_ flood.
The whole point of this article is that you can't take the Bible literally because it's not meant to be taken literally.