Exam 4: Tsunamis

The Indonesian tsunami was one of the worst natural disasters on record. A) Explain the most important reasons why you think that it became the disaster that it did. B) If you were in charge of making a mitigation plan for Indonesia, what are the three most important things that you would put in place and why.

Which of the following case histories did NOT involve a tsunami?

Which of the following regions has the LEAST risk from tsunamis?

Probability analysis can now tell us precisely when and where a tsunami is likely to occur.

An important reason for the extraordinarily high death toll in the Indonesian tsunami of 2004 around the Indian Ocean was that

One of the largest tsunami waves on record was triggered by a rockfall into a bay. Explain how the rockfall would trigger the tsunami and why it would have been so large.

There are no natural service functions of tsunamis; they only cause negative impacts such as death and destruction.

Which of the following describes the tsunami at Krakatoa in 1883?

Describe the likely cause of a tsunami in the Pacific Northwest of the United States.

Does human activity affect the magnitude, i.e., the amplitude, of tsunamis?

There is no way to know where a tsunami is likely to occur.

Which of the following signs should NOT cause a person to leave a coastal area due to the threat of a tsunami?

What is the difference between a distant tsunami and local tsunami?

It was said that scuba divers who were out in the ocean came up after the Indonesian tsunami passed to find the land devastated. They didn't see a thing. Could that have happened? Explain why or why not.

A tsunami is a wave in the ocean

Any earthquake in the oceanic crust has the potential to cause a tsunami to form, it mainly depends on the direction that the rocks move during faulting.

Which of the following describes what happens to tsunami waves as they move towards the shore?

How is a "Run-up Map" created and how does it help to minimize the tsunami hazard?

The East Coast United States is at risk for tsunami. A) Describe the possible trigger for this tsunami. B) Explain what effects the tsunami could have for East Coast areas. C) Describe how officials might warn people once the tsunami is triggered. D) Do you think that U.S. officials could prevent a catastrophe for the East Coast if the tsunami were to be triggered?

Human activity does not affect tsunami magnitude or frequency. This being the case, how should humans deal with the tsunami threat?