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...