Question

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question 9
3 pts
the distance between a seismic station and the earthquake epicenter is determined from the ____.

○ calculation of the earthquake magnitude
○ intensity of the earthquake
○ arrival times of p and s waves
○ measurement of the amplitude of the surface wave

Explanation:

The distance between a seismic station and an earthquake epicenter is determined by the time difference between the arrival of P-waves (faster primary waves) and S-waves (slower secondary waves). This time difference increases with distance, allowing calculation of the epicentral distance.

Answer:

arrival times of P and S waves