Previously, smaller fish and plankton were found with elevated levels of radiation in Japanese waters after a magnitude-9 earthquake in March 2011 triggered a tsunami that badly damaged the Fukushima Dai-ichi reactors.
The Japanese government will spend about one trillion yen (US$ 12 billion) to decontaminate the area surrounding the Daiichi nuclear plant in Fukushima.
Mark Fitzpatrick, an Iran expert and the director of the nonproliferation and disarmament program at the International Institute for Strategic Studies in London said there are signs that Iran is accelerating its efforts in their nuclear program.
The Tokyo Electric Power Company, or Tepco, the operator of Fukushima plant, issues a forecast in the evening for the next day, then refines the forecast the following morning.
Japan has warned that it could take months to stop radiation leaking from a nuclear plant that crippled by a huge earthquake and tsunami three weeks ago.