Re: Merry Christmas & Boxing Day Tsunami Anniversary

1. A tsunami is caused by:

a. a waterspout.
b. a large seagoing vessel.
c. a sudden displacement of the water column.
d. global warming & the greenhouse effect.
C


2. A tsunami is considered a:

a. deep-water wave.
b. short wave.
c. shallow-water wave.
d. microwave.
A


3. Why do seismologists not use the Richter scale when calculating the
magnitude of subduction-zone quakes?

a. Richter scale computation is not well understood among
seismologists.
b. Great-magnitude quakes damage Richter scale measurement tools.
c. Intellectual property laws prohibit such use.
d. Richter scale values saturate at higher magnitudes.
D

4. In deep water, a tsunami's wavelength is:

a. more than twice the water depth.
b. less than one-half the water depth.
c. equal to the water depth.
d. unrelated to the water depth.
A

5. A ship at sea encountering a tsunami:

a. will founder if it strikes the wave head on.
b. should immediately radio for help.
c. can stay afloat only if it cuts its engines.
d. won't notice a thing.
D

6. In deep water, the velocity of a tsunami is:

a. a function of surface wind speed.
b. a function of water depth.
c. a function of water temperature.
d. a function of salinity.
B

7. What causes the drawdown (or withdrawal of the water) of a tsunami
at the shoreline?

a. Seiching
b. A leading crest
c. A hailstorm
d. A leading trough
D

8. If you see the ocean water at the beach withdraw several hundred
feet, you should:

a. call a plumber on your cell phone.
b. call the fire department on your cell phone.
c. catch as many fish as you can.
d. run immediately to higher ground.
D

9. Tsunami wavelength is:

a. the horizontal distance between successive crests.
b. the vertical distance from trough to crest.
c. the horizontal distance from wave to shore.
d. the frequency of shortwave radio used to issue tsunami bulletins.
A

10. If the bay empties of water within a matter of minutes, it is
probably a sign that:

a. a tsunami has arrived.
b. somebody accidentally pulled the plug.
c. a bad storm is brewing just offshore.
d. the breakwater has been damaged.
A

11. Tsunami period refers to:

a. a special punctuation mark oceanographers use in their tsunami
bulletins.
b. the time it takes for two successive wave crests to pass the same
point.
c. the time required for a tsunami to completely inundate a shorefront
shopping mall.
d. the span of time between tsunami events on adjacent coasts.
B

12. A tsunami is:

a. a single humongous wave.
b. a stationary wavefront.
c. a wave train (or series of waves).
d. a desirable surf wave.
C

13. What is the scientific term for a phenomenon that creates a
tsunami?

a. Seismic
b. Tsunamigenic
c. Tsunamimatic
d. Bolidic
B

14. Tsunamis can occur in:

a. oceans only.
b. oceans, bays, rivers & lakes.
c. oceans & seas only.
d. oceans & rivers only.
B

15. Which of the following numerical values is necessary to compute
the speed of a tsunami?

a. Planck's constant
b. The acceleration of gravity
c. The second law of thermodynamics
d. The third law of thermodynamics
B.

16. Which type of undersea faults are the most efficient generators of
tsunamis?

a. Strike-slip faults
b. Ridge faults
c. Transform faults
d. Thrust faults
D

17. As a tsunami hits a beach, its height is influenced by:

a. the topography.
b. the weather.
c. the time of day.
d. the sun.
A

18. How many magnitude 9+ great earthquakes have been recorded from
1905 to 2005?

a. Four
b. Eight
c. Twelve
d. Fifteen
A.

19. How many magnitude 9+ great earthquakes since 1905 have generated
a tsunami?

a. Eight
b. Six
c. Nine
d. Four
D

20. "Tsunami" is a Japanese compound word that means:

a. Wave in harbor
b. Mofo
c. Killer wave
d. Surf's up!
A.

21. In which ocean is the frequency of tsunamis greatest?

a. Atlantic
b. Indian
c. Antarctic
d. Pacific
D.

22. Why did many Indonesians & Thais die in last
December's tsunami?

a. The Lord is a vengeful master & smote the infidel
b. Capitalism
c. Beachgoers investigated the receding sea instead of fleeing inland
d. Too much partying & alcohol consumption
C.

23. What is the greatest tsunami-producing threat off the West Coast
of the United States?

a. The Guam island arc
b. The Mariana trench
c. The Sunda trench
d. The Cascadia subduction zone
D.

24. Which classic literary work told of the great earthquake & tsunami
in Lisbon in 1755?

a. Voltaire's "Candide"
b. Milton's "Paradise Swamped"
c. Joyce's "Ulysses"
d. Eliot's "The Waste Land"
A.

25. Some tsunamis are:

a. quite friendly.
b. only centimeters tall upon hitting a coastline.
c. caused by the Earth's rotation.
d. a result of U.S. foreign policy.
B.

26. What is the major scientific flaw found in all movie tsunamis?

a. They're too big.
b. They're all single waves.
c. They're too small.
d. They're all destructive.
Matter of opinion I suppose. But A, B. and D are each noteworthy aspects
of movie tsunamis which do not jibe with science perfectly.
I'm gonna go with B. for the purpose of this test . . .
So when do we get the test results back?

Michael Williams
Arroyo Grande, CA USA

"David Oberman" <doberman@xxxxxxxxxxxxxxxxxx> wrote in message
news:0ftrq11oq6uii15g41t6sm9ja5rk8kbbfq@xxxxxxxxxx
> Merry Christmas & Happy Chanukah to everyone in sci.geo.earthquakes!
> This time of year always makes me think of pop quizzes, for some
> reason. So in honor of the tragedy of the Boxing Day tsunami & its
> one-year anniversary nearly upon us, I have this little quiz to give.
> (This Monday is the anniversary.)
>
>
> 1. A tsunami is caused by:
>
> a. a waterspout.
> b. a large seagoing vessel.
> c. a sudden displacement of the water column.
> d. global warming & the greenhouse effect.
>
>
> 2. A tsunami is considered a:
>
> a. deep-water wave.
> b. short wave.
> c. shallow-water wave.
> d. microwave.
>
>
> 3. Why do seismologists not use the Richter scale when calculating the
> magnitude of subduction-zone quakes?
>
> a. Richter scale computation is not well understood among
> seismologists.
> b. Great-magnitude quakes damage Richter scale measurement tools.
> c. Intellectual property laws prohibit such use.
> d. Richter scale values saturate at higher magnitudes.
>
>
> 4. In deep water, a tsunami's wavelength is:
>
> a. more than twice the water depth.
> b. less than one-half the water depth.
> c. equal to the water depth.
> d. unrelated to the water depth.
>
>
> 5. A ship at sea encountering a tsunami:
>
> a. will founder if it strikes the wave head on.
> b. should immediately radio for help.
> c. can stay afloat only if it cuts its engines.
> d. won't notice a thing.
>
>
> 6. In deep water, the velocity of a tsunami is:
>
> a. a function of surface wind speed.
> b. a function of water depth.
> c. a function of water temperature.
> d. a function of salinity.
>
>
> 7. What causes the drawdown (or withdrawal of the water) of a tsunami
> at the shoreline?
>
> a. Seiching
> b. A leading crest
> c. A hailstorm
> d. A leading trough
>
>
> 8. If you see the ocean water at the beach withdraw several hundred
> feet, you should:
>
> a. call a plumber on your cell phone.
> b. call the fire department on your cell phone.
> c. catch as many fish as you can.
> d. run immediately to higher ground.
>
>
> 9. Tsunami wavelength is:
>
> a. the horizontal distance between successive crests.
> b. the vertical distance from trough to crest.
> c. the horizontal distance from wave to shore.
> d. the frequency of shortwave radio used to issue tsunami bulletins.
>
>
> 10. If the bay empties of water within a matter of minutes, it is
> probably a sign that:
>
> a. a tsunami has arrived.
> b. somebody accidentally pulled the plug.
> c. a bad storm is brewing just offshore.
> d. the breakwater has been damaged.
>
>
> 11. Tsunami period refers to:
>
> a. a special punctuation mark oceanographers use in their tsunami
> bulletins.
> b. the time it takes for two successive wave crests to pass the same
> point.
> c. the time required for a tsunami to completely inundate a shorefront
> shopping mall.
> d. the span of time between tsunami events on adjacent coasts.
>
>
> 12. A tsunami is:
>
> a. a single humongous wave.
> b. a stationary wavefront.
> c. a wave train (or series of waves).
> d. a desirable surf wave.
>
>
> 13. What is the scientific term for a phenomenon that creates a
> tsunami?
>
> a. Seismic
> b. Tsunamigenic
> c. Tsunamimatic
> d. Bolidic
>
>
> 14. Tsunamis can occur in:
>
> a. oceans only.
> b. oceans, bays, rivers & lakes.
> c. oceans & seas only.
> d. oceans & rivers only.
>
>
> 15. Which of the following numerical values is necessary to compute
> the speed of a tsunami?
>
> a. Planck's constant
> b. The acceleration of gravity
> c. The second law of thermodynamics
> d. The third law of thermodynamics
>
>
> 16. Which type of undersea faults are the most efficient generators of
> tsunamis?
>
> a. Strike-slip faults
> b. Ridge faults
> c. Transform faults
> d. Thrust faults
>
>
> 17. As a tsunami hits a beach, its height is influenced by:
>
> a. the topography.
> b. the weather.
> c. the time of day.
> d. the sun.
>
>
> 18. How many magnitude 9+ great earthquakes have been recorded from
> 1905 to 2005?
>
> a. Four
> b. Eight
> c. Twelve
> d. Fifteen
>
>
> 19. How many magnitude 9+ great earthquakes since 1905 have generated
> a tsunami?
>
> a. Eight
> b. Six
> c. Nine
> d. Four
>
>
> 20. "Tsunami" is a Japanese compound word that means:
>
> a. Wave in harbor
> b. Mofo
> c. Killer wave
> d. Surf's up!
>
>
> 21. In which ocean is the frequency of tsunamis greatest?
>
> a. Atlantic
> b. Indian
> c. Antarctic
> d. Pacific
>
>
> 22. Why did many Indonesians & Thais die in last
> December's tsunami?
>
> a. The Lord is a vengeful master & smote the infidel
> b. Capitalism
> c. Beachgoers investigated the receding sea instead of fleeing inland
> d. Too much partying & alcohol consumption
>
>
> 23. What is the greatest tsunami-producing threat off the West Coast
> of the United States?
>
> a. The Guam island arc
> b. The Mariana trench
> c. The Sunda trench
> d. The Cascadia subduction zone
>
>
> 24. Which classic literary work told of the great earthquake & tsunami
> in Lisbon in 1755?
>
> a. Voltaire's "Candide"
> b. Milton's "Paradise Swamped"
> c. Joyce's "Ulysses"
> d. Eliot's "The Waste Land"
>
>
> 25. Some tsunamis are:
>
> a. quite friendly.
> b. only centimeters tall upon hitting a coastline.
> c. caused by the Earth's rotation.
> d. a result of U.S. foreign policy.
>
>
> 26. What is the major scientific flaw found in all movie tsunamis?
>
> a. They're too big.
> b. They're all single waves.
> c. They're too small.
> d. They're all destructive.


.

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