<p>The Chubu Electric Co. - the plant's operator - said it had halted the last two operating reactors, No.3 and No.4, on a request from the Japanese government.<br /><br />Reactors No.1 and No.2 - built in the 1970s - were shut down two years ago.<br />Prime Minister Naoto Kan said earlier that they decided to shut down the reactors due to risk of an earthquake with a magnitude of 8.0 or more on the Pacific side of central Japan.<br />There is an 87 percent possibility that a massive earthquake will hit the area within the next 30 years, officials said.<br /><br />The government has been reviewing the safety of the country's 54 nuclear reactors since the March 11 earthquake and tsunami that crippled the Fukushima nuclear plant in the north.</p>
<p>The Chubu Electric Co. - the plant's operator - said it had halted the last two operating reactors, No.3 and No.4, on a request from the Japanese government.<br /><br />Reactors No.1 and No.2 - built in the 1970s - were shut down two years ago.<br />Prime Minister Naoto Kan said earlier that they decided to shut down the reactors due to risk of an earthquake with a magnitude of 8.0 or more on the Pacific side of central Japan.<br />There is an 87 percent possibility that a massive earthquake will hit the area within the next 30 years, officials said.<br /><br />The government has been reviewing the safety of the country's 54 nuclear reactors since the March 11 earthquake and tsunami that crippled the Fukushima nuclear plant in the north.</p>