Wave That Shook the World



Name_________________________ Oceanography—Mr. Nelson

The Wave That Shook the World

1. What is a tsunami?

2. When did this tsunami happen?

3. How many people died, in how many countries?

4. What is the name of the warning center in Hawaii?

5. An area where one plate is pushing under another is called?

6. What magnitude was this earthquake?

7. How many warning sensors/buoys are there in the Pacific? In the Indian Ocean?

8. This quake was shallow. How many km down?

9. How fast does the tsunami wave travel?

10. What does a boat in the open ocean feel during a tsunami wave?

11. What warning sign often occurs at the beach during a tsunami?

12. Is there usually only one wave in a tsunami? Is there a pattern to the waves?

13. Where is greater damage likely, on a gently sloping beach or a steeply sloping beach?

14. True or false, you are safe as the tsunami wave is passing out?

15. How did the quake affect the earth’s day?

16. What area of the United States is at risk for the same type of earthquake?

17. What are the four causes of a tsunami?

18. How many more buoys did the United States add to the Pacific Warning system?

Wave That Shook the World Name_____Key_________________

1. What is a tsunami?

2. When did this tsunami happen?

Dec 26 2004

3. How many people died, in how many countries?

225,000 12

4. What is the name of the warning center in Hawaii?

Pacific Tsunami Warning Center

5. An area where one plate is pushing under another is called?

Subduction

6. What magnitude was this earthquake?

9

7. How many warning sensors/buoys are there in the Pacific? 6 In the Indian Ocean? 0

8. This quake was shallow. How many km down?

15

9. How fast does the tsunami wave travel?

1000 km/hr 660 m/hr

10. What does a boat in the open ocean feel during a tsunami wave?

A small rocking, a gentle wave.

11.What warning sign often occurs at the beach during a tsunami?

Drawback, the ocean recedes as much as a mile leaving empty beach

12. Is there usually only one wave in a tsunami? Is there a pattern to the waves?

No, usually several. No, they are random.

13.Where is greater damage likely, on a gently sloping beach or a steeply sloping beach?

Gently sloping as it does nothing to slow the wave.

14. True or false, you are safe as the tsunami wave is passing out?

False it pulls things back out to sea with almost as much force as it brings in.

15. How did the quake affect the earth’s day?

Shortened it.

16. What area of the United States is at risk for the same type of earthquake?

Northwest; Wash. Ore., due to the Cascadia Fault

17. What are the four causes of a tsunami?

Earthquake, Landslide, Asteroid and Volcanic eruption

18. How many more buoys did the United States add to the Pacific Warning system?

32

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