FILE - In this July 7, 2019 file photo, a visitor takes a photo of a crack in the ground following recent earthquakes near Ridgecrest, Calif. Scientists say the earthquakes that hammered the Southern California desert near the town of Ridgecrest last summer involved ruptures on a web of interconnected faults and increased strain on a major nearby fault that has begun to slowly move. (AP Photo/Marcio Jose Sanchez, File)
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