- #1
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still coming in on my seismo gear
http://www.sydneystormcity.com/seismograms.htm
USGS info...
2245UT M 7.6 600km deep
2250UT M 7.6 606km deep
Note magnitudes may change a little after more station data is reviewed by the USGS
on my mate's short period seismo sensor, the 2 separate large P arrival spikes are clearly visible
( he is around 250km NNW of my location)
his recording shows that the P wave od the second event didn't hit the same amplitude as the first one
cheers
Dave
http://www.sydneystormcity.com/seismograms.htm
USGS info...
2245UT M 7.6 600km deep
2250UT M 7.6 606km deep
Note magnitudes may change a little after more station data is reviewed by the USGS
on my mate's short period seismo sensor, the 2 separate large P arrival spikes are clearly visible
( he is around 250km NNW of my location)
his recording shows that the P wave od the second event didn't hit the same amplitude as the first one
cheers
Dave