In the United States, NOAA is the primary agency tasked with the responsibility of tsunami warning. Through the National Weather Service, NOAA operates two tsunami warning centers.

• 答：在美国，NOAA(（美国）国家海洋和大气局)是负责海啸预警的主要机构。通过美国国家气象局，NOAA控制着两个海啸预警中心。