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Earthquakes, Faults, and Seismic Data
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Physical Science with Earth and Science
9.108 Earthquakes, Faults, and Seismic Data
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A distant earthquake seismogram shows P waves, then no clear S waves, and later long-period surface waves. Which statement is the best interpretation?
A
The seismogram proves the earthquake was not real.
B
The earthquake produced no seismic waves at all.
C
S waves travel through liquid outer core faster than P waves.
D
The station may lie in an S-wave shadow zone, while surface waves still traveled around Earth's surface.
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