AUGUSTA — Don't blame earthquakes for the rattles and rolls that shook buildings and shook up people in the middle of the afternoon Friday. The definitive word from the National Earthquake Information Center in Boulder, Colo., is that the three shakes and booms were not caused by earthquakes. Bob Lent, district chief for the U.S. Geological Survey, said, "They did not detect anything above background that could indicate an earthquake." Lent, whose office is on Whitten Road, said, "It sounded like a blast to me." While the rumbling began about 2:45 p.m., more incidents were reported later in the evening....