Taking a closer look at the cause of damage to ancient ruins could offer clues to ancient earthquakes, researchers said. A team analyzing a Roman mausoleum in the ancient city of Pinara in Turkey found that the movement of the structure's stone blocks suggests that an earthquake caused the damage. A simulation found that a magnitude-6.3 quake would have caused the separation of the blocks seen at the ruins today. "I was astonished by the sensitivity with which the model of the building reacts to small changes in the ground motion," said seismologist Klaus-G. Hinzen.
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