The tremor was recorded at a depth of 10km (six miles).
China’s earthquake administration said it detected a 6.3 magnitude earthquake in Northeastern North Korea, calling it a “suspected explosion,” it has been reported.
Recent tremors in North Korea have been caused by nuclear tests, experts have said.
South Korea’s government has said that the North may have conducted another nuclear test.
South Korea’s military also said the quake was artificial and was located near the North’s nuclear test site
The news comes after North Korea announced it has developed a more advanced nuclear weapon that has “great destructive power”.
South Korea has immediately convened a national security council meeting.
More to follow…