Seismometers Choose one: A. measure vertical (up-and-down) ground motion but cannot measure horizontal (back-and-forth) motion. B. are only sensitive enough to record ground movements down to about 1 mm. C. can "feel" (or record) large earthquakes that happen on the opposite side of the world. D. begin recording when the ground shakes and surface waves arrive.

Question

Maggie Frye

Physics

26 December, 21:23

Seismometers Choose one: A. measure vertical (up-and-down) ground motion but cannot measure horizontal (back-and-forth) motion. B. are only sensitive enough to record ground movements down to about 1 mm. C. can "feel" (or record) large earthquakes that happen on the opposite side of the world. D. begin recording when the ground shakes and surface waves arrive.

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Answers (1)

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Ann Zimmerman · Answer 1

Answer: C) Can "feel" (or record) large earthquakes that happen on the opposite side of the world

Explanation:

If a seismogram has recorded P-waves and surface waves, but not S-waves, the seismograph may have been on the other side of the planet from the earthquake. Therefore seismometers can feel large earthquakes from the other side of the world