ESS 101 B Exam 2 – Questions With Right Solutions
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Terms in this set (83)
1. The stress rate __________ the c. is proportional to
strain rate for elastic
deformation.
a. is greater than
b. is less than
c. is proportional to
d. is variable compared to
e. never changes relative to
2. Where do earthquakes d. all of the above are correct
occur in the Pacific
Northwest?
a. near the surface within
the North American plate
b. deep within the Juna de
Fuca plate
c. along the Cascadia
subduction zone
d. all of the above are
correct
e. only answers a and c are
correct
,3. According to Brian e. none of the above recurrence intervals are correct
Atwater's research along
the Washington coastline,
the recurrence interval of
large Cascadia subduction
zone earthquakes is
___________.
a. ~3500 years
b. ~5000 years
c. ~10,000 years
d. ~1,000,000 years
e. none of the above
recurrence intervals are
correct
4. How did geologists c. they had accurate tsunami logs from Japan that
determine the exact day of recorded this event
offset on the Cascadia
subduction zone in 1700
AD?
a. they counted tree rings
of dead cedar trees
b. they used radiocarbon
dating of buried peat
c. they had accurate
tsunami logs from Japan
that recorded this event
d. they had accurate
tsunami logs from native
Americans that recorded
this event
e. there were no records of
this event
,5. The Great Lakes basin a. The northern Great Lakes area is still isostatically
presently drains through rising and will change the drainage topography
the St. Lawrence River
drainage. Why will the
Great Lakes basin
eventually drain south
through the Mississippi
River drainage?
a. The northern Great Lakes
area is still isostatically
rising and will change the
drainage topography
b. The southern Great Lakes
area is still isostatically
rising and will change the
drainage topography
c. The northern Great Lakes
area is still isostatically
subsiding and will change
the drainage topography
d. The southern Great Lakes
area is still isostatically
subsiding and will change
the drainage topography
e. The Niagra escarpment is
still tectonically active and
is causing the northern
Great Lakes to uplift
6. Zigzag outcrop patterns d. erosion of plunging anticline and syncline
are the result of ___________.
a. erosion of normal faults
b. erosion of monocline
folds
c. erosion of symmetric
anticline and syncline folds
d. erosion of plunging
anticline and syncline
e. erosion of zigzag
deposition features
, 7. What factors influence d. all of the above factors influence earthquake intensity
earthquake intensity?
a. magnitude of the
earthquake
b. proximity to the
earthquake's epicenter
c. substrate that underlies
the surface
d. all of the above factors
influence earthquake
intensity
e. only answers a and b are
correct
8. Tsunamis may be e. answers b and d are both correct
generated _________.
a. along vertical offset
normal faults at divergent
margins
b. along subduction zones
where vertical offset has
occurred on the ocean
floor
c. along transform margins
where horizontal offset has
occurred on the ocean
floor
d. submarine landslides
due to seismic events
e. answers b and d are both
correct
9. A minimum of _______ a. 3
seismic stations is
necessary to determine the
focus of an earthquake.
a. 3
b. 10
c. 1
d. 300 e. 5
Save
Terms in this set (83)
1. The stress rate __________ the c. is proportional to
strain rate for elastic
deformation.
a. is greater than
b. is less than
c. is proportional to
d. is variable compared to
e. never changes relative to
2. Where do earthquakes d. all of the above are correct
occur in the Pacific
Northwest?
a. near the surface within
the North American plate
b. deep within the Juna de
Fuca plate
c. along the Cascadia
subduction zone
d. all of the above are
correct
e. only answers a and c are
correct
,3. According to Brian e. none of the above recurrence intervals are correct
Atwater's research along
the Washington coastline,
the recurrence interval of
large Cascadia subduction
zone earthquakes is
___________.
a. ~3500 years
b. ~5000 years
c. ~10,000 years
d. ~1,000,000 years
e. none of the above
recurrence intervals are
correct
4. How did geologists c. they had accurate tsunami logs from Japan that
determine the exact day of recorded this event
offset on the Cascadia
subduction zone in 1700
AD?
a. they counted tree rings
of dead cedar trees
b. they used radiocarbon
dating of buried peat
c. they had accurate
tsunami logs from Japan
that recorded this event
d. they had accurate
tsunami logs from native
Americans that recorded
this event
e. there were no records of
this event
,5. The Great Lakes basin a. The northern Great Lakes area is still isostatically
presently drains through rising and will change the drainage topography
the St. Lawrence River
drainage. Why will the
Great Lakes basin
eventually drain south
through the Mississippi
River drainage?
a. The northern Great Lakes
area is still isostatically
rising and will change the
drainage topography
b. The southern Great Lakes
area is still isostatically
rising and will change the
drainage topography
c. The northern Great Lakes
area is still isostatically
subsiding and will change
the drainage topography
d. The southern Great Lakes
area is still isostatically
subsiding and will change
the drainage topography
e. The Niagra escarpment is
still tectonically active and
is causing the northern
Great Lakes to uplift
6. Zigzag outcrop patterns d. erosion of plunging anticline and syncline
are the result of ___________.
a. erosion of normal faults
b. erosion of monocline
folds
c. erosion of symmetric
anticline and syncline folds
d. erosion of plunging
anticline and syncline
e. erosion of zigzag
deposition features
, 7. What factors influence d. all of the above factors influence earthquake intensity
earthquake intensity?
a. magnitude of the
earthquake
b. proximity to the
earthquake's epicenter
c. substrate that underlies
the surface
d. all of the above factors
influence earthquake
intensity
e. only answers a and b are
correct
8. Tsunamis may be e. answers b and d are both correct
generated _________.
a. along vertical offset
normal faults at divergent
margins
b. along subduction zones
where vertical offset has
occurred on the ocean
floor
c. along transform margins
where horizontal offset has
occurred on the ocean
floor
d. submarine landslides
due to seismic events
e. answers b and d are both
correct
9. A minimum of _______ a. 3
seismic stations is
necessary to determine the
focus of an earthquake.
a. 3
b. 10
c. 1
d. 300 e. 5
