Did Ancient Tsunami Hit New York City?

The thought of a tsunami crashing into Manhattan sounds like a scene out of a sci-fi thriller, but some scientists believe a giant wave crashed into what is now New York City more than 2,000 years ago.

Big pieces of gravel and ocean fossils dating back to 300 B.C. found in sediment in New York and New Jersey suggest a rare Atlantic Ocean tsunami, researchers suggest.

"If we're wrong, it was one heck of a storm," Dr Steven Goodbred, an Earth scientist at Vanderbilt University, told the BBC.

So, what would happen to the city that never sleeps if a wave that size hit today: An area from Wall Street all the way to the Long Island Expressway would be flooded.

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