Has North Korea just conducted its third nuclear test ? Breaking news indicates its quite possible....

http://english.yonhapnews.co.kr/news/0200000001.html

(LEAD) (NK N-test) N. Korea's nuclear device yield estimated at 6-7 kilotons: Seoul

By Kim Eun-jung
SEOUL, Feb. 12 (Yonhap) -- North Korea is believed to have detonated a nuclear device with a yield of 6-7 kilotons, which is more powerful than bombs used in previous atomic tests, Seoul's defense ministry said Tuesday.

Hours after 4.9-magnitude seismic tremors with unusual sound waves were detected near North's nuclear test site in its northeastern tip shortly before noon, Pyongyang's state media announced it has successfully tested a "smaller and lighter nuclear warhead" at an underground site.

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Seismic activity may indicate North Korea nuclear test

Reuters – 16 minutes ago

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SEOUL (Reuters) - Seismic activity has been detected in North Korea with an earthquake measuring 4.9 magnitude registered by the U.S. Geological Survey, in a move that South Korea said indicated that Pyongyang had carried out a third nuclear test.

The quake occurred at 10:57 a.m Korean time (01:57GMT) and South Korea's presidential office said that it was "likely" a nuclear test, according to the South's Yonhap news agency

North Korea is not prone to seismic activity.

The USGS said the epicentre of the quake, which was only one km deep, was close to the North's known nuclear test site.

The reclusive and isolated state, which is banned under United Nations Security Council resolutions from developing nuclear and missile technology, did not issue a statement and it was impossible to verify that it was a nuclear test.

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Seismic activity has been detected in North Korea. North Korea is not prone to seismic activity, it could indicate a nuclear test#BREAKING

http://english.yonhapnews.co.kr/news/0200000001.html

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