4953 20200812090345.0 OUTRART-2020-0031 Lecocq, Thomas Coronavirus lockdown cut seismic noise in half worldwide 2020 NO Van Noten, Koen The Brussels Times 24/07/2020 (Alan Hope) 2020 koen.vannoten@observatoire.be https://www.brusselstimes.com/all-news/belgium-all-news/123147/coronavirus-lockdown-cut-seismic-noise-in-half-worldwide/ OUTRART