Asteroid-caused 66ft tsunami hit NYC 2300 years ago

[cygonaut]

Researchers have evidence suggesting that an asteroid roughly 200 yards (183 meters) wide crashed off the coast of New Jersey and sent tsunamis surging toward what is now New York City some 2,300 years ago. [Video – Recreating an Ancient Tsunami]

"Our models suggest the tsunamis were up to 20 meters (66 feet) high when they entered the Hudson River," said researcher Dallas Abbott, a geologist at Columbia University's Lamont-Doherty Earth Observatory in New York.

http://www.livescience.com/environment/asteroid-impact-possibly-caused-prehistoric-nyc-tsunami-101025.html