M6.6 Papua New Guinea Earthquake Initial Report

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Initial report M 6.4 ... looks a little bigger when compared to other M6+ events from that region
between eastern mainland New Guinea and New Britain

http://www.sydneystormcity.com/seismograms.htm

Edit: been upgraded to a M 6.6

Dave
 
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Satellite-style map of the Papua New Guinea region showing an orange circle labelled M 6.6 offshore, with smaller yellow circles marking other earthquakes and red fault lines.
Multi-trace seismogram of a helicorder-style record spanning about 60 minutes, with stacked horizontal traces labelled by UTC and EDT times. Large wave bursts appear around 20 to 40 minutes and a dense high-amplitude signal dominates the right side near 50 minutes.