More than 200 ground stations, including the islands in the Sea of Japan, constantly monitor the radiation situation in the Far East after Pyongyang's nuclear test, the radiation background is normal, told RIA Novosti on Tuesday, a representative of the Far Eastern Regional Center of Emergency Ministry.
"Monitoring of the subjects in the Federal District are 220 posts in 2012, operates a comprehensive system for monitoring the radiation situation," — said the source.
The U.S. Geological Survey (USGS) on Tuesday morning recorded tremors in North Korea near the test site for nuclear testing. According to the service, an earthquake of magnitude 4.9 occurred in the area Sondzhinbegam to a depth of one kilometer.
Korean Central News Agency (KCNA) released a message in which North Korea confirmed the success of the third underground nuclear test. At the same time, as noted in the release, we used a "more light and compact bomb" great destructive power.
North Korea declared itself a nuclear power in 2005. In 2006 and 2009, North Korea conducted an underground nuclear test, which led to protests from the international community.
In response to Pyongyang's actions the UN Security Council adopted a series of resolutions demanding the DPRK to cease nuclear activities. Resolutions 1718 and 1874, in addition to the sanctions contained the requirement that the DPRK not to conduct nuclear tests and ballistic missile launches, return to talks on the denuclearization of the Korean Peninsula.