beach. i want to point out that a tsunami is a series of waves, it's not just one wave. you can expect multiple waves to occur in a location. the first one not being the largest during event like this. the period of a wave arrival can be five minutes to an hour. that's why it's so important for people in these locations to move to higher ground, get off the beach, and to remain in a safe location until local authorities state that it is safe for you to return to those areas. >> jennifer, you as has the president of the united states, been stressing, both stressing people must listen to their state and local officials at a time like this so they are on top of the latest information. i am wondering if you've got any sense as you speak to your colleagues in hawaii and american samoa how smoothly these evacuations are going? >> i've heard some reports that people are moving out of the