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Stories about: silt

Ancient Asteroid Provoked New York Tsunami A group of scientists from the Harvard University led by Katherine Cagen claims that a massive tsunami wave splashed ashore some 2,300 years ago, mightily sweeping the coastal regions of New York deeply inland. Even more, the researchers indicate it is most likely that the catastrophe was caused by an ancient asteroi... 21 November 2008 03:12 GMT