What is the kill zone of 4.8 kgs of TNT?

TL;DR: It depends. Two obvious things related to the detonation will potentially be lethal: pressure and fragmentation. The pressure wave of a high order detonation of 4,8 kilograms of TNT is actually surprisingly non-lethal. read more

What will (most likely) kill you is fragmentation. All the junk in close vicinity of the blast will be hurled around at ridiculous speeds. Pieces of metal and pieces of rock will be deadly even at a great distance. But let’s get specific with 4,8 kgs of TNT. read more

1000 kg TNT - 30–40 m. As far as shrapnel goes, the rule is two effective fragments per m^2, so apply the 12.56*r^2 rule and calculate the number of fragments you need. At 0.1 g you need about 1000 m/s, at 1 g you need about 400 m/s. read more