1. How high was the tsunami that struck Japan, as described in the program?


2.  How fast can a tsunami travel?


3.  What is the usual cause of a tsunami?


4.  What places in the U.S. have been hit by tsunamis in the past century?


5.  Where are the tsunami warning stations located in the U.S.?


6.  What is one building feature that reduces potential damage in a tsunami?


7.  What is the current trend in sea level change?


8.  What is the cause of sea level rise?


9.  What  percent of the U.S. population lives in coastal areas?


10.  Why is sea level change not always even from one stretch of coast to the next?