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Origin of Mysterious 'Cannon Earthquakes' in Red Sea Found

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Mysterious earthquakes that sound like cannon blasts have been puzzling people for decades, and now their origin has been traced way back to a giant block of volcanic rock hundreds of millions of years old, researchers say.

 

For generations, Bedouin nomads living in the region of the Egyptian coastal resort Abu Dabbab, by the Red Sea, have heard noises that sound like cannon blasts accompanying small quakes in the area.

"The name of Abu Dabbab are Arabic words that mean 'the Father of Knocks,' which is related to the sound heard in this area," Sami El Khrepy, a seismologist at King Saud University in Riyadh, Saudi Arabia, told Live Science.

Previous research had found that rocks in the region are about twice as warm as they are elsewhere in Egypt, suggesting that rising magma may be related to the origin of these "cannon earthquakes." However, there has been no volcanic activity in the region in at least 65 million years, so the scientists ruled out that possibility.

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http://news.yahoo.com/origin-mysterious-cannon-earthquakes-red-sea-found-175117554.html;_ylt=AwrXgiOHE4BVtyEALxPQtDMD;_ylu=X3oDMTByb2lvbXVuBGNvbG8DZ3ExBHBvcwMxBHZ0aWQDBHNlYwNzcg--

 

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