"In this situation we call on all parties to remain calm and avoid actions which could lead to uncontrolled escalation of tension in Northeast Asia," said the spokesman for the Russian Ministry of Foreign Affairs Maria Zajárova, in a statement released by Moscow .
If confirmed test the H-bomb, the spokeswoman said, Pyongyang will have taken another step in the development of its nuclear arsenal, a fact that will be graded from a serious violation of international law and the resolutions of the Security Council of the UN.
"Actions like this threaten to escalate the situation in the Korean peninsula, which is already characterized by a high potential for political-military confrontation," he said Zajárova.
Moscow detention studied with today's announcement by North Korea and analyzes the technical data to confirm its accuracy.
At the same time, Russia reiterated that the conflict between the two Koreas should be resolved by diplomatic means, within the process of six-party negotiations aimed at ensuring peace and security in the region (the two Koreas, EE. UU., Russia, China and Japan).
An earthquake of about 5 magnitude on the Richter scale struck early in the morning northeastern North Korea, presage a new nuclear test by the North Korean regime after those held in 2006, 2009 and 2013.
"We are now a nuclear state also has the hydrogen bomb," said an announcer on state television in a special bulletin KCTV hours after the alleged explosion, which has not yet been confirmed by international experts.