Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Tsunami flow depth indicator at Fagasa, American Samoa following the tsunami that hit the island on Sept. 29, 2009. Vegetation is brown where it was submerged by the tsunami and green above.
Public Domain.
