A Nuclear Test Monitoring Agency has reported two seismic events in North Korea. Both the CTBTO Agency and South Korea said early analysis suggested it was unlikely the tremors were man-made. South Korea’s meteorological agency said early indications suggested it was a natural earthquake because no soundwaves specific to man-made tremors had been identified. The agency put the tremor at magnitude 3.0.
China’s earthquake administration initially announced it had detected a magnitude 3.4 tremor in North Korea at a depth of ‘zero kilometres’. Said to be a ‘suspected explosion’, it raised fears Kim Jong-un’s regime had conducted another nuclear test.