8.7-magnitude earthquake off Sumatra

Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant is seen in Fukushima prefecture, in this aerial view photo taken by Kyodo March 11, 2012, the day marking the first anniversary of the earthquake and tsunami that killed thousands and set off a nuclear crisis. REUTERS/Kyodo

Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant is seen in Fukushima prefecture, in this aerial view photo taken by Kyodo March 11, 2012, the day marking the first anniversary of the earthquake and tsunami that killed thousands and set off a nuclear crisis. REUTERS/Kyodo