A seismograph works because there is a _______.
A) liquid medium in the instrument allowing only P waves to pass through
B) suspended weight that moves independently of Earth
C) rotating paper drum that causes mini- earthquakes
D) vertical ground motion causing the pen to move
Correct Answer:
Verified
Q1: Faults are "locked" because_.
A) high confining pressure
Q2: Megathrusts between subducting oceanic crust and an
Q3: Earthquakes along the San Andreas fault zone,
Q4: P waves_ .
A) produce the strongest ground
Q5: Which one of the following statements is
Q7: The location where slippage begins is called
Q8: The earliest seismographs were designed by the
Q9: In elastic rebound theory, what must occur
Q10: Aftershocks occur because_ .
A) seismic energy continues
Q11: In the 1906 San Francisco earthquake, much
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