Unnatural quake hits North Korea. Possible failure in the nuclear test.

Latest NewsUltimasBrasil 26 min
A mega explosion, possibly nuclear, North Korea caused a tremor reached 5.1 Richter earlier.

Latest NewsUltimasBrasil 12 min
Earthquake in North Korea was caused artificially and not by acts of nature, confirms South Korean media. Xinhua News Agency.

BBC News (World) Vladimir Vasiliеv 11 min
An earthquake recorded in North Korea might Have Been Caused by the nuclear test, the Japanese government says http://bbc.in/1mACLwt
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News / short summary
TESTS DO WITH NORTH KOREA NUCLEAR BOMB
This is the fourth test nuclear weapon made by the country, however, it was the first held with the hydrogen bomb, which is more powerful than a nuclear bomb. Prior to this, the country had conducted tests in 2006, 2009 and the last in February 2013.