When the Sutter Mill's meteorite streaked across the Nevada sky in April, it made a loud boom and shook homes throughout the region. Ken Smith, associate director for the Nevada Seismological Laboratory at the University of Nevada, Reno heard it and felt it that Sunday morning. His scientific curiosity drew him right to the lab's earthquake monitoring network to see what registered on the more than 150 reporting stations. He found an astonishing series of registrations."I knew it wasn't an earthquake, it sounded and felt like an explosion," he said this week, reflecting on his participation as co-author in an …