On This Time-Travel Curve, If a Large Earthquake Is 400

question 86

Multiple Choice

On this time-travel curve, if a large earthquake is 400 km away from the station, what can you say about the arrivals of the P- and S-waves?

• A) the P-waves will arrive 40 seconds before the S-waves
• B) the P-waves will arrive 400 seconds before the S-waves
• C) no S-waves will arrive at this distance from the earthquake
• D) none of these

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