Geology 110

Exam 1 Sample questions

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1. Which of the following are used to forecast earthquakes in the short-term:
            1.  changes in groundwater levels
            2.  seismic gaps along faults
            3.  changes in seismic wave velocity in the subsurface
        a.  1 and 2
        b.
  1 and 3
        c.
  2 and 3
        d.
  all 3 are used to forecast earthquakes in the short-term
        e.  none of the 3 are used to forecast earthquakes in the short-term

2.   An earthquake's epicenter is
        a.  the point of first break along the fault.plane
        b.  the line along which the fault moved.
        c.  the point on the earth's surface directly above the focus.
        d.  the point on the far side of the earth, directly opposite the earthquake.
        e.  none of the above

3.   The present world population is approximately
        a.  67 million.
        b.  670 million.
        c.  6.7 billion.
        d.  67 billion.
        e.  670 billion

4.   Which of the following is NOT a mineral?
        a.  pyrite
        b.  granite
        c.  talc
        d.  calcite
        e.  all of the above are minerals

5.   Rocks that crystallize from magma are
        a
.   igneous.
        b.   metamorphic.
        c.   sedimentary.
        d.   igneous or metamorphic.
        e.   minerals

6.   Which of the following is NOT a feature of divergent plate boundaries?
        a.  mineral deposits
        b.  deep earthquakes
        c.  basaltic magma
        d.  rift valleys
        e.  all of the above are features of divergent plate boundaries

7. Which of the following statements are TRUE:
            1.  earthquakes are concentrated near plate tectonic boundaries
            2.  the earth’s magnetic field has “pointed” to the south pole in the past (as opposed to "pointing" north, like today)
            3.  the continents have moved through time; the ocean floor has not moved through time
        a.  1 and 2
        b.
  1 and 3
        c.
  2 and 3
        d.
  all 3 statements are true
        e.  none of the 3 statements are true

8.  Which type of plate tectonic boundary is Japan, the Aleutian Islands of Alaska, and Washington state.
        a.  transform plate boundaries
        b.  divergent plate boundaries
        c.  continental collision
        d.  subduction zone
        e.  none of the above

9.  In which case would you expect the intensity of an earthquake to be the highest:
        a.  brick house built atop unconsolidated sediment
        b.  brick house built atop intrusive igneous rocks
        c.  wood house built atop unconsolidated sediment
        d.  wood house built atop intrusive igneous rocks
        e.  all of the above would likely have the same intensity

10.  Which seismic wave is the slowest:
        a.  P wave
        b.  S wave
        c.
  surface waves
        d.  all 3 waves have the same speed
 
 

 

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