On the 3rd September 2017 the Irish National Seismic Network (INSN) recorded a seismic event with epicenter in the Democratic Peopleâ€™s Republic of Korea (DPRK), see below plot for the location. The recordings are consistent with the announcement by the DPRK that it has conducted a nuclear test, their sixth since 2006. The event occured at 03:30:01 UTC.
Vibrations caused by the nuclear test were detected by seismic stations of the Irish National Seismic Network (INSN), see waveforms below. Please click the figure to enlarge.