This also happens with small amounts of TNT(I did 1). I was making a TNT cannon and it blew up, and this happened. So I replicated it by having a long line of redstone(50 blocks) going to 1 TNT.
Henry Sawyer
This also happens with small amounts of TNT(I did 1). I was making a TNT cannon and it blew up, and this happened. So I replicated it by having a long line of redstone(50 blocks) going to 1 TNT.