Scientists suggest that Africa might be splitting into two tectonic plates, leading to the creation of a new ocean. The East African Rift System has been active for millions of years and is causing the continent to slowly move apart at a rate of 7mm per year. While this process will take tens of millions of years, it could potentially lead to the Horn of Africa separating from the mainland.

Source: https://www.wionews.com/world/this-massive-continent-might-cease-to-exist-as-a-whole-in-the-coming-years-771526