A big sinkhole has started devouring a house in Nixa, and geologists and engineers have evacuated at least five other houses in the neighborhood while they figure out what’s happening. The hole is about 75 feet deep and 50 to 60 feet in diameter. A man living in the house says he was reading the newspaper when he heard ripping and cracking as the garage fell into the hole, taking part of the house’s roof with it.