Natural Disasters Final Exam Prep Multiple Choice
Questions With Complete Solutions
A 100 year flood
A. has a 1% probability of occurring during any year
B. occurs every 100 years
C. can be accurately determined using a 100 year stream record
D. is too infrequent to affect zoning regulations Correct Answers
a) has a 1% probability of occurring during any year
A front commonly preceded by a period of gentle rain is a
A. warm front.
B. stationary front.
C. cold front.
D. occluded front Correct Answers a) warm front
A lesson learned from Mt. Saint Helens that was applied to Mt.
Pinatubo was
A. to evacuate a larger area surrounding the volcano.
B. to erect large barriers to protect against pyroclastic flows.
C. to be sure to have many human observers near the volcano to
record events.
D. to install a tsunami warning system. Correct Answers a) to
evactuate a larger area surrounding the volcano
A magma rich in silica and dissolved gases is most likely to
erupt in what way?
A. Icelandic.
B. Strombolian.
C. Hawaiian.
D. Vesuvian. Correct Answers d) vesuvian
,A major cause of death from the large eruptions of Laki on
Iceland was
A. ash falls.
B. toxic gases.
C. cinders.
D. lahars Correct Answers b) toxic gases
A major problem during the 1925 tornado outbreak and "tri-state
tornado" disaster was
A. the lack of a tornado warning system.
B. poor access to the affected areas.
C. lack of good communication.
D. the failure of people to heed warnings. Correct Answers d)
the failure of people to heed warnings
A phreatic eruption produces
A. mostly lava.
B. mostly pyroclastics.
C. lava and pyroclastics.
D. mostly gas. Correct Answers d) mostly gas
A surprising aspect of the 2011 "superoutbreak" of tornadoes
was
A. the very large number of fatalities.
B. the relatively small amount of damage for the number of
tornadoes.
C. the failure of the tornado warning system.
D. the small geographic area affected Correct Answers a) the
very large number of fatalities
,A thick viscous magma is most likely to erupt in what way?
A. Phreatic
B. Strombolian
C. Vesuvian
D. Hawaiian Correct Answers c) vesuvian
A very fast moving turbulent mixture of hot volcanic debris and
volcanic gases is a
A. pahoehoe flow.
B. glacial burst.
C. pyroclasitic flow.
D. a lahar Correct Answers c) pyroclastic flow
A volcano composed of both lava and pyroclastics (ash and
pumice) would be a:
A. composite volcano.
B. maar volcano.
C. shield volcano.
D. cinder cone Correct Answers a) composite volcano
Acid rain and acid lakes are the result of
A. volcanic gases.
B. ash clouds.
C. climate change.
D. eruption started fires. Correct Answers a) volcanic gases
Advanced warning of tornadoes improved dramatically in the
1980's with
A. improved telecommunications.
B. satellite imagery.
C. development of doppler radar.
, D. the first tornado sirens. Correct Answers c) development of
doppler radar
Air at the dew point is at
A. 0% absolute humidity.
B. 100% absolute humidity.
C. 100% relative humidity.
D. the lapse rate. Correct Answers c) 100% relative humidity
Air that rises by itself would be called
A. stable.
B. unstable.
C. conditionally unstable.
D. unconditionally stable. Correct Answers b) unstable
An earthquake 100 times stronger than a magnitude 6.0 would
be magnitude
A. 16
B. 7
C. 8
D. 106 Correct Answers c) 8
An eruption featuring both fluid lava and coarse pyroclastics
(cinders) would be
A. phreatic.
B. strombolian.
C. vesuvian.
D. hawaiian. Correct Answers b) strombolian
As air rises it does NOT
A. decrease in temperature.
Questions With Complete Solutions
A 100 year flood
A. has a 1% probability of occurring during any year
B. occurs every 100 years
C. can be accurately determined using a 100 year stream record
D. is too infrequent to affect zoning regulations Correct Answers
a) has a 1% probability of occurring during any year
A front commonly preceded by a period of gentle rain is a
A. warm front.
B. stationary front.
C. cold front.
D. occluded front Correct Answers a) warm front
A lesson learned from Mt. Saint Helens that was applied to Mt.
Pinatubo was
A. to evacuate a larger area surrounding the volcano.
B. to erect large barriers to protect against pyroclastic flows.
C. to be sure to have many human observers near the volcano to
record events.
D. to install a tsunami warning system. Correct Answers a) to
evactuate a larger area surrounding the volcano
A magma rich in silica and dissolved gases is most likely to
erupt in what way?
A. Icelandic.
B. Strombolian.
C. Hawaiian.
D. Vesuvian. Correct Answers d) vesuvian
,A major cause of death from the large eruptions of Laki on
Iceland was
A. ash falls.
B. toxic gases.
C. cinders.
D. lahars Correct Answers b) toxic gases
A major problem during the 1925 tornado outbreak and "tri-state
tornado" disaster was
A. the lack of a tornado warning system.
B. poor access to the affected areas.
C. lack of good communication.
D. the failure of people to heed warnings. Correct Answers d)
the failure of people to heed warnings
A phreatic eruption produces
A. mostly lava.
B. mostly pyroclastics.
C. lava and pyroclastics.
D. mostly gas. Correct Answers d) mostly gas
A surprising aspect of the 2011 "superoutbreak" of tornadoes
was
A. the very large number of fatalities.
B. the relatively small amount of damage for the number of
tornadoes.
C. the failure of the tornado warning system.
D. the small geographic area affected Correct Answers a) the
very large number of fatalities
,A thick viscous magma is most likely to erupt in what way?
A. Phreatic
B. Strombolian
C. Vesuvian
D. Hawaiian Correct Answers c) vesuvian
A very fast moving turbulent mixture of hot volcanic debris and
volcanic gases is a
A. pahoehoe flow.
B. glacial burst.
C. pyroclasitic flow.
D. a lahar Correct Answers c) pyroclastic flow
A volcano composed of both lava and pyroclastics (ash and
pumice) would be a:
A. composite volcano.
B. maar volcano.
C. shield volcano.
D. cinder cone Correct Answers a) composite volcano
Acid rain and acid lakes are the result of
A. volcanic gases.
B. ash clouds.
C. climate change.
D. eruption started fires. Correct Answers a) volcanic gases
Advanced warning of tornadoes improved dramatically in the
1980's with
A. improved telecommunications.
B. satellite imagery.
C. development of doppler radar.
, D. the first tornado sirens. Correct Answers c) development of
doppler radar
Air at the dew point is at
A. 0% absolute humidity.
B. 100% absolute humidity.
C. 100% relative humidity.
D. the lapse rate. Correct Answers c) 100% relative humidity
Air that rises by itself would be called
A. stable.
B. unstable.
C. conditionally unstable.
D. unconditionally stable. Correct Answers b) unstable
An earthquake 100 times stronger than a magnitude 6.0 would
be magnitude
A. 16
B. 7
C. 8
D. 106 Correct Answers c) 8
An eruption featuring both fluid lava and coarse pyroclastics
(cinders) would be
A. phreatic.
B. strombolian.
C. vesuvian.
D. hawaiian. Correct Answers b) strombolian
As air rises it does NOT
A. decrease in temperature.
