Get to know how to put out a fire in a fireplace safely. “You want to build a coal base, which generates heat and drives it upward,” says Hite. Start the fire with small pieces, Hite says.

Throughout the fall and winter months, an underground fire sent billowing smoke out of a fissure in the mountainside above Kenilworth, Utah. The fire, burning in a coal seam in the historic Kenilworth ...