A bomb equivalent to 20 million tons of TNT would cause an intense fire, called a firestorm, in an area about 2,000 square miles around the center of the blast, and in such an area it would be futile,
Unha bomba equivalente a vinte millóns de toneladas de TNT provoca un lume intenso nomeado "treboada de lume", nunha área de preto de 3000 kms. cadrados arredor do centro da explosión.