A Japanese court has rejected a petition by residents to delay the reactivation of reactors in the country 's southwest . The Fukushima Daiichi nuclear disaster was triggered when an earthquake and tsunami knocked out cooling systems at three reactors on March 11, triggering meltdowns that spewed radiation into the air for more than two months Japan 's 48 nuclear reactors have been offline in the wake of the 2011 Fukushima disaster .
A Japanese court has rejected a petition by residents to delay the reactivation of reactors in the country 's southwest . The reopening of two other nuclear reactors in Fukui was recently blocked by a Japanese court over safety fears . Japan 's 48 nuclear reactors have been offline in the wake of the 2011 Fukushima disaster .