What happens in a nuclear meltdown?

[Arms Longfellow]

With nuclear power plants? Does it just create fallout or is it the equivalent of being hit by a nuke? Because that would be inconvenient.

 

[TyranusBonehead]

Well according to Hollywood, Godzilla usually shows up, followed by a whole bunch of mutants or undead.

 

[salty]

I've never been hit by a nuke, but I have had a meltdown.

 

[holy king]

as i remember its just the same effect a nuke does