The time interval between the first arrival of P-waves and the first arrival of S-waves ____ with distance from the focus of an earthquake.

Question

Quizplus · Accepted Answer

The time interval between the first arrival of P-waves and the first arrival of S-waves increases with distance from the focus of an earthquake. This is because S-waves travel slower than P-waves, so they take longer to reach a given point. Therefore, as the distance from the focus increases, the time interval between the arrivals of P-waves and S-waves also increases.

The Time Interval Between the First Arrival of P-Waves and the First