A seismograph could register P but not S waves from an epicenter on the opposite side of the Earth.

Name: A seismograph could register P but not S waves from an epicenter on the opposite side of the Earth.
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Question

Quizplus · Accepted Answer

P waves, or primary waves, can travel through both solid and liquid layers of the Earth, allowing them to be detected from an epicenter on the opposite side of the Earth. S waves, or secondary waves, cannot travel through the liquid outer core, so they are not detected on the opposite side.

A Seismograph Could Register P but Not S Waves from an Epicenter