Tsunami MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. Just prior to a tsunami coming ashore, sea level appears to fall quickly. This phenomenon is called

1. Sea level drop
2. Draw fall
3. Drawdown
4. Dip in sea level

12. Most major tsunamis are generated by earthquakes along

1. Divergent margins
2. Convergent margins
3. Transform margins
4. None of the above

13. Most major tsunamis are produced by earthquakes with hypo centers less than

1. 5 km
2. 10 km
3. 20 km
4. 30 km

14. Most major tsunamis are produced by earthquakes with magnitudes greater than

1. 6
2. 7
3. 8
4. 9

15. The wave height of a tsunami is typically less than

1. 0.1 m
2. 0.2 m
3. 1 m
4. 0.5 m

16. Tsunami can occur:

1. Only in the morning
2. Only in the evening
3. Any time of the day or night
4. Only in the summer months

17. Tsunamis are known for their capacity to:

1. Violently flood coastlines
2. Cause devastating property damage
3. Cause injury and loss of life
4. All of the above

18. What do tsunami look like in the open sea?

1. Hardly noticeable waves
2. Small cresting waves
3. Huge cresting waves
4. Huge non-cresting waves

19. What does the word tsunami mean?

1. Big wave
2. Earthquake wave
3. Harbour wave
4. Tidal wave

20. What is the magnitude of the largest earthquake recorded by man?

1. 9
2. 9.2
3. 9.3
4. 9.5