It depends on what you mean by worse - as I understand it, a fusion-induced meltdown at least wouldn't release massive amounts of radiation. Massive amounts of

It depends on what you mean by worse - as I understand it, a fusion-induced meltdown at least wouldn't release massive amounts of radiation. Massive amounts of heat and destruction to the immediately-surrounding infrastructure? Could be. But not fallout, like caused all the really big problems post-Chernobyl.