The Red Sea has been hiding powerful geological forces that could put communities on the coast of Egypt and Saudi Arabia at risk.
The thought hit Sam Purkis like a wave, as he gazed out the window of a submarine 900 meters deep in Tiran Strait.There, in the light of the vehicle's flashlight, stood a gaping chasm three meters wide and eight meters tall .
"Just a little shake in the wrong place and the whole wall could fail, leading to a much larger tsunami than occurred 500 years ago,""That area of Egypt, as well as Saudi Arabia, which are urbanizing so rapidly, have certain hazards which haven't been previously recognized, but they need to be, to avoid a future catastrophe."The Red Sea is a maritime rift, which means it is spreading apart as the two tectonic plates that border it gradually shift.
Turns out, the risk assessment was a good idea. Despite slipping just 30 meters , the landslide that occurred half a millennium ago caused powerful waves to hit the shore in just minutes. "Conspicuous in all simulations is how the bathymetry of the Straits confines and directs the tsunami," the authors"The wide and deep water to the north allows the wavefront to progress unhindered up the Gulf of Aqaba. To the south, the narrow and shallow Straits restrict wave entry into the Red Sea."
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