a migration out of Africa into Asia about 70,000 years a migration out of Africa into Asia about 70,000 years September 23, 2011 - Aboriginal DNA dates Australian arrival a migration out of Africa into Asia about 70,000 years a migration out of Africa into Asia about 70,000 years humans arrived in the area about 70,000 years ago a migration out of Africa into Asia about 70,000 years a migration out of Africa into Asia about 70,000 years