Earthquake Hazards: Tsunamis and Liquefaction

Questions

1. MultiChoice

   What giant ocean wave is caused by vertical displacement of the seafloor during an earthquake?

2. MultiChoice

   What process occurs when wet soil loses strength and behaves like liquid during ground shaking?

3. MultiChoice

   What secondary earthquake hazard occurs when shaking causes loose rock on steep slopes to slide down?

4. MultiChoice

   Which earthquake event is most likely to generate a destructive tsunami?

5. MultiChoice

   What is often a natural warning sign on the shore before a tsunami wave strikes?

6. MultiChoice

   Which type of ground material is most susceptible to liquefaction?

7. MultiChoice

   What major post-earthquake hazard destroyed most of San Francisco in 1906?

8. MultiChoice

   What happens to a tsunami wave as it approaches shallow coastal water?

9. MultiChoice

   What structural failure happens to heavy buildings built on soil undergoing liquefaction?

10. MultiChoice

    How fast can tsunami waves travel across open ocean waters?

11. MultiChoice

    What is a smaller earthquake that occurs after a larger main shock called?

12. MultiChoice

    What is the safest action if you feel a strong earthquake near a coast?