Seismic Waves

Question 1 of 1

Seismic Waves have two kinds: primary and secondary waves. They travel at different speeds: 3.96km/s and 2.58km/s respectively, from the centre of shock. In an earthquake, there was 6.9 seconds between the arrival of these two waves at a measuring station from the centre of shock. What is the distance from the centre of shcok to the seismic station?

  • 30.28km
  • 41.55km
  • 51.02km
  • 51.08km