Analyse @SinaZerbo's tweets
@SinaZerbo
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Two #IMS primary seismic stations USRK ?? and KSRS??detected an event of #IDC magnitude ML=3.0 at 6:49 UTC on 19 April 2021 about 36km from the announced #DPRK #NuclearTest of 2017. Waveforms confirm event of tectonic origin. https://t.co/ODx6FM98TE