Earthquake P-wave and S-wave travel time graph illustrating the time difference between wave arrivals at various distances from the epicenter.

Graph showing earthquake P-wave and S-wave travel times versus epicenter distance, with a shaded region indicating the time difference between wave arrivals.

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Show Answer Key & Explanations Step-by-step solution for: Worksheet - Earthquake P-wave & S-wave Travel Time Chart Tutorial ...

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- Locate 6,200 km (6.2 × 10³ km) on the x-axis.
- Move vertically to intersect the S-wave curve; read the corresponding travel time on the y-axis: approximately 10.0 minutes.
- Move vertically to intersect the P-wave curve; read the corresponding travel time on the y-axis: approximately 7.0 minutes.
- Calculate the difference in arrival times: 10.0 min - 7.0 min = 3.0 minutes.
- Subtract this difference from the S-wave arrival clock time: 04:48:00 - 00:03:00 = 04:45:00.
- The first P-wave arrived at 04:45:00.

Parent Tip: Review the logic above to help your child master the concept of earthquake p wave and s wave travel time worksheet.

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