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North Korea: Large quake detected close to nuclear test site North Korea nuclear test suspected after 'artificial' quake
(35 minutes later)
A magnitude five earthquake has been detected in North Korea, amid reports the country had been preparing for its fifth nuclear test. North Korea is suspected of carrying out its fifth test of a nuclear bomb, after a magnitude 5.3 earthquake was detected close to its test site.
South Korea's Yonhap news agency said it had been an "artificial quake".South Korea's Yonhap news agency said it had been an "artificial quake".
The US Geological Survey said the tremor had been detected in the north-east of North Korea, close to a known nuclear test site. It quoted an unnamed South Korean government source as saying the tremor was highly likely to have been a nuclear test.
There has been no confirmation from the North as yet that a nuclear test has been carried out.There has been no confirmation from the North as yet that a nuclear test has been carried out.
Yonhap quoted an unnamed South Korean government source as saying it was highly likely to be the case. Recent satellite imagery and intelligence has indicated increased activity at the Punggye-ri site, where North Korea carried out its previous nuclear tests, indicating a fifth was imminent.
Recent satellite imagery and intelligence has indicated increased activity at the Punggye-ri site, where North Korea carried out its fourth nuclear test in January. The US Geological Survey, which monitors global seismic activity, said Friday morning's tremor had been detected in that area and was caused by "an explosion".
The country is banned by UN sanctions from any tests of nuclear or missile technology. It said it could "cannot determine what type of explosion it may be, whether nuclear or any other possible type".
But in recent months it has conducted a series of missile launches and has threatened to carry out nuclear attacks on its enemies. North Korea is banned by UN sanctions from any tests of nuclear or missile technology.
Friday is North Korea's National Day, which celebrates the founding of the country. But in recent months it has conducted a series of ballistic missile launches and has threatened to carry out nuclear attacks on its enemies.
Friday is North Korea's National Day, which celebrates the start of the country's leadership regime.
North Korea often uses such events as an opportunity for a show of military strength.North Korea often uses such events as an opportunity for a show of military strength.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version. Its most recent nuclear test, in January, was purported to be of a hydrogen bomb, but that claim has not been confirmed.
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October 2002: North Korea first acknowledges it has a secret nuclear weapons programme
October 2006: The first of three underground nuclear explosions is announced, at a test site called Punggye-ri
May 2009: A month after walking out of international talks on its nuclear programme, North Korea carries out its second underground nuclear test
February 2013: A third nuclear test takes place using what state media calls a "miniaturised and lighter nuclear device"
May 2015: Pyongyang claims to have tested a submarine-launched missile, which are more difficult to detect than conventional devices