A 4.1-magnitude earthquake hit east Tennessee the morning of May 10, officials said. The quake struck near Greenback, which is about 30 miles southwest of Knoxville, at 9:04 a.m. Reports of light shaking came in from the Knoxville area,

A drum seismograph records the shaking of the ground at the new earthquake ... More monitoring station June 23, 2004 at the Museum of Natural History in New York City. On exhibit in the Gottesman Hall of the Planet Earth,