How many minutes elapsed between the arrival of the first P wave and the last measurable surface wave? (In figure 1)

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
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How many minutes elapsed between the arrival of the first P wave and the last measurable surface wave? (In figure 1)

Seismograms
Figure 1 is a simplified example of a
seismogram. The vertical lines, spaced one
minute apart, represent the passage of time
(from left to right). As the drum rotated, the
pen recorded the arrival of P, S, and surface
waves from a distant earthquake. The time
Figure 1. A simplified seismogram
Surface waves
First P wave
First S wave
Amplitude
between arrival of P and S waves is called
"lag time". The farther a station is from the
epicenter, the longer the lag time measured
at that station. Note the differences in
1 minute
(Earlier)
TIME
(Later)
velocity, amplitude, and frequency of the
different types of seismic waves.
Transcribed Image Text:Seismograms Figure 1 is a simplified example of a seismogram. The vertical lines, spaced one minute apart, represent the passage of time (from left to right). As the drum rotated, the pen recorded the arrival of P, S, and surface waves from a distant earthquake. The time Figure 1. A simplified seismogram Surface waves First P wave First S wave Amplitude between arrival of P and S waves is called "lag time". The farther a station is from the epicenter, the longer the lag time measured at that station. Note the differences in 1 minute (Earlier) TIME (Later) velocity, amplitude, and frequency of the different types of seismic waves.
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