Question

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What conclusion would you draw if a seismogram from a particular seismic station showed only P waves?

Answer 1

The first waves to be recorded by the seismogram are P-waves since they are the fastest. S-waves come in next and are usually larger than P-waves. The surface waves arrive just after the S-waves. If the earthquake has a shallow focus, the surface waves will be the largest ones recorded.

Step-by-step explanation:

Answer 2

The first waves to be recorded by the seismogram are P-waves since they are the fastest. S-waves come in next and are usually larger than P-waves. The surface waves arrive just after the S-waves. If the earthquake has a shallow focus, the surface waves will be the largest ones recorded.