Just a small bug (IMO) in the phone app: the recent M6.6 quake in North Atlantic Ocean lists the PKIKP arrival as the P arrival.
Al.
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Hello Al, thanks for the notification,
Currently, the ShakeNet App displays the waves’ main classification, with P indicating compressional waves and S indicating shear waves. In this case, even if the wave travelled through the inner core (PKIKP), it is still classified as a P-wave.
You can find more about this here if you haven’t already seen it: https://www.ldeo.columbia.edu/res/pi/Monitoring/Doc/Srr_2006/GUIDE.PDF
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