If the S-wave arrival time was 4 minutes later than the P-wave arrival time for a distant earthquake on the same seismogram, what was the distance from the seismic station to the epicentre?

Question

Quizplus · Accepted Answer

The S-wave travels slower than the P-wave, and the time difference between their arrivals can be used to estimate the distance to the earthquake epicenter. A 4-minute difference typically corresponds to a distance of approximately 2450 kilometers.

If the S-Wave Arrival Time Was 4 Minutes Later Than