The USGS has detected a 5.3 seismic event near the China-North Korea border area near a North Korea nuclear site.
The explosion occurred 15 kilometers ENE of Sungjibaegam on September 9, 2016 at 00:30:01 UTC, North Korea’s Independence Day.
It is has not been determined if this was caused by an earthquake or if it was due to a nuclear explosion. So far, there has been no confirmation of a nuclear test.
If this seismic event is confirmed to be a nuclear test, it would be the fifth known test carried out by North Korea.
South Korea’s military has convened a crisis management team at Blue House for a National Security Council meeting at 0200 GMT with it’s prime minister presiding.
Information is currently being reviewed.