Geophone arrays offer an inexpensive and feasible way to collect this data in a densely-populated urban area, compared to the complications and expense of deploying broadband seismometers, Persaud noted.
Nidaamyada 'Geophone arrays' waxay bixiyaan qaab aan qaali ahayn oo macquul ah oo lagu ururiyo xogtan oo ah magaalo dad aad u fara badan, marka la barbar dhigo dhibaatooyinka iyo kharashka geynta mashiinka ballaadhinta ballaadhan, Persaud ayaa sidaas yidhi.