Japanese officials said that the unexploded bomb was buried underground at Miyazaki Airport, southwest of the country.
According to officials, there were no aircraft nearby when the bomb exploded.
The Civil Defense Forces and police opened an investigation, which confirmed that the explosion was caused by… American bomb She weighs 500 pounds (about 226 kilograms), stressing that “there was no danger.”
Investigators are trying to determine the cause of the sudden bomb explosion.
A video clip recorded by a nearby aviation school showed the explosion, throwing pieces of asphalt into the air.
Other clips broadcast on Japanese television also showed a hole in the runway, about 7 meters in diameter and about a meter deep.
Chief Secretary said Japanese Cabinet Yoshimasa Hayashi said that more than 80 flights were canceled at the airport, amid expectations that its operations will resume Thursday.
Miyazaki Airport was built in 1943 as a training field for the Imperial Japanese Navy, and some “kamikaze” were launched from it, a term given to Japanese pilots who were launching suicide attacks on American ships.
Officials in the Japanese Ministry of Defense said that in previous times, a number of unexploded bombs were found in the area, which were dropped by the American army during… World War II.
Hundreds of tons of unexploded bombs from the war are still buried around JapanIt is sometimes extracted from construction sites.