A crack in the Earth's crust – which could be the forerunner to a new ocean – ripped open in just days in 2005, a new study suggests. The opening, located in the Afar region of Ethiopia, presents a unique opportunity for geologists to study how mid-ocean ridges form.
http://www.newscientist.com/article/dn18114-giant-crack-in-africa-formed-in-just-days.html
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