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North Korea nuclear test: what we know so far North Korea nuclear test: what we know so far
(35 minutes later)
An earthquake of magnitude 5.6 was recorded inside North Korea, hours after the regime boasted it had built a new, more advanced nuclear warhead. An earthquake of magnitude 5.6 was recorded inside North Korea, hours after the regime boasted it had built a new, more advanced nuclear warhead.
South Korea’s Joint Chiefs of Staff says it detected a seismic wave from 12.34 to 12.36pm around Punggyeri, North Korea.South Korea’s Joint Chiefs of Staff says it detected a seismic wave from 12.34 to 12.36pm around Punggyeri, North Korea.
South Korea’s Yonhap news agency quotes military officials as saying they believe North Korea has conducted its sixth nuclear test. South Korea’s Yonhap news agency quotes military officials as saying they believe North Korea has conducted its sixth nuclear test.
China’s Earthquake Administration said it detected a 6.3 magnitude earthquake in North Korea that was a “suspected explosion”. China’s Earthquake Administration said it detected a 6.3 magnitude earthquake in North Korea that was a “suspected explosion”.
The same body said it  detected another quake in North Korea of magnitude 4.6, which it termed as a “collapse”. The same body said it detected another quake in North Korea of magnitude 4.6, which it termed as a “collapse”.
A statement from the administration’s  said the second quake, measured at a depth of zero kilometres, came eight minutes after the first quake, which it said was a “suspected explosion”. A statement from the administration’s said the second quake, measured at a depth of zero kilometres, came eight minutes after the first quake, which it said was a “suspected explosion”.
Witnesses in the Chinese city of Yanji, on the border with North Korea, said they felt a tremor that lasted roughly 10 seconds, followed by an aftershock.Witnesses in the Chinese city of Yanji, on the border with North Korea, said they felt a tremor that lasted roughly 10 seconds, followed by an aftershock.
Japan’s prime minister, Shinzō Abe, says “If North Korea has indeed gone ahead with a nuclear test, it is completely unacceptable and we must lodge a strong protest.”Japan’s prime minister, Shinzō Abe, says “If North Korea has indeed gone ahead with a nuclear test, it is completely unacceptable and we must lodge a strong protest.”
The Japanese government shortly after determines that North Korea has conducted its sixth nuclear test, the country’s foreign minister, Taro Kono said.The Japanese government shortly after determines that North Korea has conducted its sixth nuclear test, the country’s foreign minister, Taro Kono said.
The North Korean regime is set to make a “special and important” announcement at 3pm Pyongyang time.
South Korea’s Yonhap news agency said in a tweet: “North Korean artificial quake 9.8 times more powerful than fifth nuclear test.”
Yonhap adds: “North Korea’s apparent sixth nuclear test was estimated to have a yield of up to 100 kilotons.”