- #1
- 9,590
- 10,269
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