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If the travel time of the S-wave is 21 minutes and 50 seconds, what is the distance between the epicenter and the seismic station?

A. 2,190 km
B. 2,250 km
C. 2,500 km
D. 2,750 km

Answer :

Final answer:

The distance to the epicenter from a seismic station based on S-wave travel time requires knowing the velocity of the S-wave, which isn't provided in the question or references. Without this information, it is not possible to calculate the distance.

Explanation:

To determine the distance between the epicenter and the seismic station based on the travel time of the S-wave, which is given as 21 minutes and 50 seconds, you can use a standard travel time graph or a formula, if available. However, in this case, as the actual S-wave velocity is not provided in the question or the provided information, it is impossible to give a precise calculation or to select one of the options provided (a-d).

To solve such problems, typically, you would convert the time to seconds (21 minutes x 60 seconds/minute + 50 seconds = 1310 seconds), and then multiply by the S-wave velocity if known (for instance, S-wave travels x km/s, distance = 1310s * x km/s). But lacking the specific S-wave velocity, I cannot complete the calculation required to answer your question.

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