Today's Geo Quiz takes us to the Horn of Africa, where an international team of scientists is studying a 35-mile long crack that opened up in the Afar region of Ethiopia in 2005. Afar is the answer to our Geo Quiz.
Researchers now say it could eventually split the African continent in two ? though it will take about ten million years. Anchor Marco Werman gets details from Cynthia Ebinger, a geophysicist at the University of Rochester in New York.