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When it comes to earthquakes, size matters but so does the terrain

Haitians walk past the collapsed Sacre Coeur Church in Port-au-Prince on January 14, 2010, following the devastating earthquake that rocked Haiti two days before (CNN)Earthquakes can be like Jell-O. A simple, yet often used analogy is that if you’re sitting in a valley or basin, it acts like a bowl of gelatin and it will shake more than surrounding rock. But not all earthquakes are created equal and the ground you walk on can make all the difference. "The local geology definitely matters — what you’re sitting on," said Dr. Susan Hough, a geophysicist with the US Geological Survey. […]

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