The explosions at the quake-hit Fukushima nuclear plant have also raised fears about the use and safety of atomic power.

地震灾区福岛核电站发生的爆炸也引发了有关核能使用和安全的担忧。

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Another nuclear power operator - Japan Atomic Power – said it had plugged a tiny radiation leak at its Tsuruga plant on the west coast – the 1st since it started operations in 1987.

日本另一家电力公司——日本原子能电力公司宣布，其位于西海岸的敦贺核电站发生微量放射物质泄漏，是1987年开始运营以来的首次事故。

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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