Tokyo radiation levels are not hazardous to human health at this time following radiation leaks at the Fukushima nuclear power plant, the International Atomic Energy Chief Yukiya Amano told reporters Wednesday.

FORBES: IAEA Chief Off to Japan, Says Tokyo Radiation Levels Not Hazardous

Meanwhile, Japan Atomic Power shut down the 1, 100-megawatt Tokai Daini nuclear plant on the north-east coast, the closest to Tokyo.

BBC: Japan quake: Nuclear closures to cause power shortages

Meanwhile, the weaker yen means higher costs for rising imports of natural gas, which is priced in dollar terms, to help compensate for the loss of nuclear power generation capacity after most atomic power plants remain closed after the 2011 disaster at the Fukushima Dai-Ichi nuclear plant in northeastern Japan.

NPR: Japan Logs Record $83.4B Trade Deficit In FY2012

In real time, the International Atomic Energy Agency has been updating a terrified international audience about the situation at the Fukushima No. 1 nuclear power plant.

FORBES: Japan Radiation Fears May Outstrip The Real Health Dangers

Russia's nuclear power equipment and service export monopoly, Atomstroiexport, is building the plant under supervision of the International Atomic Energy Agency (IAEA), the United Nations' nuclear watchdog agency.

CNN: Iran to test nuclear power plant