On Tuesday, North Korea conducted its first nuclear test a hydrogen bomb, shortly after an earthquake of 5 degrees was detected in the open Richter scale, northeast of the country, following the nuclear test.
The explosion occurred at 9 pm (local time), on the basis of nuclear tests Punggye-ri, located in the county of Kilju.
This is the first test by Pyongyang a thermonuclear weapon, whose detonation is much more powerful than those conventional atomic devices that North Korea has used its three previous tests in 2006, 2009 and 2013.
Asked South Korea sanctions
South Korea said it will cooperate with the international community to punish North Korea at the same time raised the alert level of its armed forces after the regime of Kim Jong-un announced that detonated a hydrogen bomb.
"Seoul strongly condemns North Korea for conducting a fourth nuclear test in a clear violation of the resolutions of the Security Council of the UN," the Foreign Ministry said in a statement.
The South Korean government also committed to cooperate with the United States and other countries to undertake the responses it considers necessary; including expanding the UN sanctions imposed on North Korea for its past atomic and missile tests.
Meanwhile, President Park Geun-hye convened a meeting of the National Security Council in Seoul to discuss the incident and seek response measures.
Meanwhile, South Korean armed forces, who maintain an alliance with US for contingency situations in the Korean peninsula, they raised the alert level of troops and stepped up border surveillance on the neighboring country after the nuclear detonation.