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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