According to a study in Nature Communications, an ancient earthquake, possibly magnitude 7.5 or 8, dramatically altered the course of the Ganga River 2,500 years ago, as evidenced by seismites near Dhaka, Bangladesh.
According to new research, the Ganga River's course was dramatically altered by a massive earthquake that struck southern Asia 2,500 years ago.
Scientists had no prior knowledge of the earthquake until they discovered evidence of its tremendous power buried in the terrain close to Bangladesh's capital, Dhaka. In a paper released on Monday, June 17, in the journal Nature Communications (pdf below), the team presented its findings. The Ganga main stem was rerouted by the magnitude 7.5 or 8 earthquake, which was so strong that it caused a displacement of more than 110 miles (180 kilometers) from the site of the quake.
Avulsions are sudden shifts in a river's path. Researchers have previously documented avulsions brought on by seismic activity, but "I don't think...
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