Mu Buyapani, hari ikindi kintu cyasandaye ku mashini ya kabiri y’uruganda rukoresha ingufu nukleyeri ku munsi wa kane nyuma y’uko rwangijwe n’umutingito w’isi. Ibyo byateje ubwoba ko ibyuma by’urwo ruganda bishobora kurekura imyuka yanduza. Icyo kintu cyasandaye muri iki gitondo cyo ku ya 15 y’ukwa 3 mu mwaka w’2011 ku ruganda rw’ahitwa Fukushima, cyaje gikurikira ikindi cyasandaye umunsi umwe n’iminsi itatu mbere y’iyo taliki. Ibibazo kuri urwo ruganda byatangiye ubwo umutingito w’isi na tsunami yaje iwukurikira byatumye amashanyarazi abura kuri urwo ruganda. Icyo kibazo cyatumye ibyuma bikonjesha imashini kugirango zidashongeshwa n’ubushyuhe bwinshi zidakora.