Gold Member
- 9,736
- 11,915
on my seismograph, the earlier waves (P) arriving
http://www.sydneystormcity.com/seismograms.htmtakes time for these seismic signals to traverse the Pacific basin
Dave
http://www.sydneystormcity.com/seismograms.htmtakes time for these seismic signals to traverse the Pacific basin
Dave