An aerial view shows a bomb detonating on Mauna Loa during a 1935 eruption. The U.S. Army dropped 20 600-pound bombs on the lava flow that December morning to divert the molten rock from reaching ...

IAEA-MEL, 4 Quai Antoine 1er, MC 98000 Monaco, Monaco, Risoe National Laboratory, P.O. Box 49, DK-4000 Roskilde, Denmark, and Department of Radiation Physics, Lund University, SE-221 85 Lund, Sweden * ...