In 2005, a giant 35-mile-long crack opened up in the Afar desert of Ethiopia in just a matter of days. Theories began to spread quickly that the massive crack, which is 20ft wide at some points, was the beginning of the formation of a new ocean. The philosophy of this was deemed controversial until a team of scientists conducted extensive research on the area and were able to confirm it.
The 2009 study published in the Geophysical Research Letters found the process that occurred when the hole was being developed was essentially identical to what has happened at the bottom of our oceans, and is the same phenomena that is responsible for the slow separation of the Red Sea.
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Source Credits: Sean Martin in International Business Times