The U.S. Nuclear Regulatory Commission said Tuesday it recognizes the appropriateness of Japan's order for residents within a 20-kilometer radius of the Fukushima No. 1 nuclear plant to evacuate following the continuing accidents there induced by the catastrophic earthquake.

The NRC said the order is almost identical to an evacuation order which the U.S. government would issue to its citizens in the event that people were exposed to radiation of above 10 millisievert in a nuclear accident.

The amounts of radiation detected in the areas around the Fukushima plant are much lower than this threshold, the federal agency added.

U.S. Ambassador to Japan John Roos also said in his statement issued Wednesday that U.S. nuclear experts back the measures taken by Japanese technicians.

''After a careful analysis of data, radiation levels and damage assessments of all units at Fukushima, our experts are in agreement with the response and measures taken by Japanese technicians, including their recommended 20 km radius for evacuation and additional shelter-in-place recommendations out to 30 km,'' he said.

''Today, our hearts remain with our Japanese friends,'' he added.

==Kyodo

霓虹现在采取的措施是米帝专家点头过的，所以尽人事，知天命了