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| New York City May Be Overdue For A Devastating Earthquake
It might not seem like an obvious location, but New York may be overdue an earthquake that could cause substantial damage. The claim was made by journalist Kathryn Miles in her new book, Quakeland: On the Road to America's Next Devastating Earthquake. The region apparently experiences a major earthquake every hundred years, the last being back in 1884. New York has a number of geological faults running northeast and northwest. They create what Miles calls a "brittle grid" under Manhattan, which is a bit of a ticking time bomb for an earthquake. The rock under New York is very hard, so an earthquake could cause considerably more damage than one on the West Coast. Geophysicist Charles Merguerian studies the faults, by walking surface fault lines, and going underground. He says he's walked the entire island of Manhattan, including most of its tunnels, helping to reveal the number of faults lying underground. "To do his work, then, he's primarily looking for what geologists call "offsets"