The Chinese embassy in Japan launched the voluntary registration for Chinese nationals living in Japan in early November in case of emergency, according to the embassy.
Japanese Prime Minister Shinzo Abe said that Japan is seriously concerned over the air defense identification zone China announced on Saturday.
A senior Chinese diplomat lodged solemn representation with US ambassador to China over US response to China's setup of East China Sea Air Defense Identification Zone.
China's Defense Ministry called Japan's remarks on the Diaoyu Islands included in the East China Sea Air Defense Identification Zone "absolutely groundless."
Analysts have rejected criticism by Washington and Tokyo of Beijing's move to set up its first air defense identification zone, saying its establishment is consistent with international practices.
Having no intention to generate tensions, China's move is to uphold its own legitimate rights and safeguard what has always been its own.
The establishment of the East China Sea Air Defense Identification Zone is a strategic decision in accordance with China's current national security situation, experts told Xinhua on Sunday.
Military experts on Saturday said that the establishment of the East China Sea Air Defense Identification Zone accords with international common practices.
China has established its first air defense identification zone in accordance with Chinese law and int'l practices to safeguard its sovereignty.
Military experts on Saturday said that the establishment of the East China Sea Air Defense Identification Zone accords with international common practices.
China's Defense Ministry spokesman Yang Yujun on Saturday answered questions from the media on the establishment of the East China Sea Air Defense Identification Zone.
China's Ministry of National Defense issued an announcement of the aircraft identification rules for the East China Sea Air Defense Identification Zone.