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The lag time is just the difference in time between the arrival of P- and S-waves. = ts - tp ts minutes %3D We can determine the speed of the S-wave as we determined the speed of the P-wave. ts Vs km/s %3D II

The lag time is just the difference in time between the arrival of P- and S-waves. = ts - tp ts minutes %3D We can determine the speed of the S-wave as we determined the speed of the P-wave. ts Vs km/s %3D II

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Tutorial An earthquake occurs 6,875 km from a seismograph. The P-waves arrive 11.6 minutes later. How fast is the P- wave traveling (in km/s)? If the lag time between P- and S-waves is 10.8 minutes, how fast are the S-waves traveling (in km/s)? Using the shadow of S-waves you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)? Part 1 of 3 To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time. Vp 5.12 X 696 %3D How long did it take the wave to travel in seconds? s Vp = 9.88 9.88 km/s Part 2 of 3 The lag time is just the difference in time between the arrival of P- and S-waves. t = ts - tp ts minutes We can determine the speed of the S-wave as we determined the speed of the P-wave. Vs 's %3D Vs = km/s
Transcribed Image Text:Tutorial An earthquake occurs 6,875 km from a seismograph. The P-waves arrive 11.6 minutes later. How fast is the P- wave traveling (in km/s)? If the lag time between P- and S-waves is 10.8 minutes, how fast are the S-waves traveling (in km/s)? Using the shadow of S-waves you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)? Part 1 of 3 To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time. Vp 5.12 X 696 %3D How long did it take the wave to travel in seconds? s Vp = 9.88 9.88 km/s Part 2 of 3 The lag time is just the difference in time between the arrival of P- and S-waves. t = ts - tp ts minutes We can determine the speed of the S-wave as we determined the speed of the P-wave. Vs 's %3D Vs = km/s
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