In the human life scale, you won't be seeing many changes. You'll be feeling earthquakes, you'll be seeing volcanoes erupt, but you won't see the ocean intrude in our lifetimes.' The separation stems from the East African Rift System, which is a 2,000-mile rift that formed at least 22 million years ago where the continent's Great Lakes reside. "You won't see much in our lifetime". You won't see much in 1,000 life times, you retard