Recently they have found evidence that the colony moved out to the Hatteras Island for some unknown reason, maybe raids by Indians, maybe some other reason. Then the colony was wiped out by a hurricane that washed away all traces of the colony...................
I had not heard of the Hatteras Island theory. I thought the most commonly accepted theory was that they left for Croatoan Island (the word Croatoan was carved on a tree trunk on Roanoke Island).