TOKYO (AP) – An unexploded U.S. bomb from International Conflict II that were buried at a Eastern airport exploded Wednesday, inflicting a big crater in a taxiway and the cancellation of greater than 80 flights, Eastern officers mentioned.Nobody used to be harm, and there have been no airplane close by when the bomb exploded at Miyazaki Airport in southwestern Japan, Land and Shipping Ministry officers mentioned.An investigation by means of the Self-Protection Forces and police showed the explosion used to be brought about by means of a 500-pound U.S. bomb and there used to be no additional risk. Officers had been figuring out what brought about its unexpected detonation.A video recorded by means of a close-by aviation faculty confirmed the blast spewing items of asphalt into the air like a fountain. Movies broadcast on Eastern tv confirmed a crater within the taxiway reportedly about 7 meters (yards) in diameter and 1 meter (3 ft) deep.Leader Cupboard Secretary Yoshimasa Hayashi mentioned greater than 80 flights were canceled on the airport as of midafternoon Wednesday.The airport mentioned the taxiway harm used to be repaired in a single day and flights resumed Thursday morning.Miyazaki Airport used to be in-built 1943 as a former Imperial Eastern Army flight coaching box from which some pilots took off on suicide assault missions.A variety of unexploded bombs dropped by means of the U.S. army throughout International Conflict II had been unearthed within the space, Protection Ministry officers mentioned.Masses of lots of unexploded bombs from the struggle stay buried round Japan and are on occasion dug up at development websites.