Question

Which of the following describes the relationship between P and S waves and the epicenter? The farther away the P and S waves are on a seismogram, the further the epicenter. The closer together the P and S waves are on a seismogram, the further the epicenter. If the S wave comes before the P wave, the further away the epicenter. If the S wave comes before the P wave, the closer the epicenter.

Answer 1

The farther away the P and S waves are on a seismogram, the further the epicenter. P waves travel faster than S waves, so more distance allows them to get farther ahead.

Answer 2

The farther away the P and S waves are on a seismogram, the further the epicenter.

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