Japan's nuclear safety agency orders power plant operator to study the impact of Jan.

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TOKYO (AP) — Japan’s nuclear safety regulators have told the operator of a nuclear power plant in the area hit by a powerful New Year’s Day quake to study its potential impact. The Nuclear Regulation Authority, or NRA, asked for further investigation even though initial assessments showed the Shika nuclear power plant's cooling systems and ability to contain radiation remained intact. The order reflects Japan's greater vigilance about safety risks after meltdowns in 2011 at a plant in Fukushima,