Giant Rift in Ethiopia Will Someday Form a New Ocean
November 3, 2009
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A new study involving an international team of scientists and reported in the journal Geophysical Research Letters finds the processes creating the rift are nearly identical to what goes on at the bottom of oceans, further indication a new sea is in the region’s future.
The same rift activity is slowly parting the Red Sea, too.
Using newly gathered seismic data from 2005, researchers reconstructed the event to show the rift tore open along its entire 35-mile length in just days. Dabbahu, a volcano at the northern end of the rift, erupted first, then magma pushed up through the middle of the rift area and began “unzipping” the rift in both directions, the researchers explained in a statement today.“We know that seafloor ridges are created by a similar intrusion of magma into a rift, but we never knew that a huge length of the ridge could break open at once like this,” said Cindy Ebinger, professor of earth and environmental sciences at the University of Rochester and co-author of the study.