Pand s waves from an earthquake travel at different speeds, and this difference locate the earthquake "epicenter" (where the disturbance took place). a. assuming typical speeds of 8.5 km/s and 5.5 km/s for p and s waves, respectively, how far away did an earthquake occur if a particular seismic station detects the arrival of these two types of waves 1.5 min apart? b. is one seismic station sufficient to determine the position of the epicenter? explain.
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