Ty Hansen, 5, of Huntington helps put up a banner in support of the six trapped coal miners and their families on a fence at Huntington Elementary School in Huntington, Utah, August 7, 2007. Seismic activity detected in Utah at the same time the mine collapsed there, trapping six men deep underground, was probably caused by the cave-in itself and not an earthquake, U.S. geologists said on Tuesday. But Harley Benz, scientist in charge of the National Earthquake Information Center in Golden, Colorado, said a final conclusion was still several days away.