Revision Exercises

1. What are the important differences between tsunamis and tidal waves?
   
   
2. Why are the Hawaiian Islands so affected by tsunamis?
   
   
3. With reference to case studies, explain measures taken to mitigate the effects of tsunamis.
   
   
4. What is the purpose of the Pacific Tsunami Warning System, and how does it operate?
   
   
5. Define the following terms:

- Tsunamigenic earthquake
- Bore
- Run-up

6. What would you do if you learned that a tsunami was heading toward your coast?