In fact, the details of the flood are not known to us [Widtsoe, p. —, "Earth" These people were so wicked that they were no longer allowed to pollute the earth by their presence on it or to bring innocent spirits into its decadent environment. Kent Nielsen, “The Gospel and the Scientific View: How Earth Came to Be,” Ensign, Sep 1980, 67 Is not today much like Noah's day when the population of the earth was wiped out in the flood and but eight righteous souls were spared?
The Lord decreed that all living things would be destroyed by flood, with the exception of a faithful few who would be spared so that God could begin anew his creative work and reestablish his covenant among men. Jackson, “An Age of Contrasts: From Adam to Abraham,” Ensign, Feb 1986, 28 The worldwide flood of Noah's time has been accepted as a benchmark historical event by Jews and Christians for thousands of years..worldwide flood of Noah's time, so upsetting to a restricted secular view, fits easily into place. Some doubt that there was a flood, but by modern revelation we know that it did take place.
Of course, there are still many people that believe in the literal interpretation of these events.
However, more people are questioning their historical accuracy due to scientific reasoning, testing, and discovery.
FROM THE LDS WEBSITE: "During Noah's time the earth was completely covered with water. (Smith, Joseph Fielding, Jr., Doctrines of Salvation (Salt Lake City: Book Craft, 1955), Vol.2, p.320) THE GREAT FLOOD.