It exploded 47 seconds later at 1,650 ± 33 ft (503 ± 10 m), above a tennis court, halfway between the Mitsubishi Steel and Arms Works in the south and the Nagasaki Arsenal in the north.
Bom meledak 47 detik kemudian di ketinggian 1650 ± 33 ft (503 ± 10 m) di atas lapangan tenis, separuh jalan antara Pabrik Baja dan Senjata Mitsubishi di selatan dan Arsenal Nagasaki di utara.