ES Ch 8 Question Preview (ID: 1258)


ES Ch 8. TEACHERS: click here for quick copy question ID numbers.

Small shocks that preceede a major earthquake occur
a) days or years before the major earthquaake
b) only on the day of the major earthquake
c) only on the day before the major eaarthquake
d) from the day of the major earthquake to days after the earthquake

Which seismic waves travel most rapidly
a) P waves
b) S waves
c) tsunamis
d) surface waves

Which of the following statements is true about P waves
a) They travel faster than S waves
b) They are the most destructive type of seismic waves
c) They cannot be recorded on a seismigraph
d) They travel only through solids

Which seismic waves compress and expand rocks in the direction the waves travel
a) P waves
b) S waves
c) surface waves
d) transverse waves

A seismogram shows that P waves travel
a) faster than S waves
b) at the same speed as surface waves
c) more slowly than S waves
d) at the same speed as S waves

Overall, which seismic waves are the most destructive
a) surface waves
b) S waves
c) P waves
d) compression waves

What is the minimum number of seismic station that is needed to determine the location of an earthquake's epicenter
a) three
b) one
c) two
d) four

A travel time graph can be used to find the
a) distance to the epicenter of an earthquake
b) focus of an earthquake
c) strength of an earthquake
d) damage caused by an earthquake

Using a graph similar to the one on page 225 , you will be given a distance to the epicenter, you will be asked to determine how long it will take for the P wave to arrive. To get this question correct you should
a) open the book to pg 225, and examine figure 8A
b) quit
c) watch The Office
d) Stay up late drinking coffee

Using a graph similar to the one on page 225, you will be given a distance to the epicenter, you will be asked to determine the arrival times of the P and S waves. To get this question correct you should
a) open the book to pg 225, and examine figure 8A
b) quit
c) watch The Office
d) Stay up late drinking coffee

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