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.
Hummocks on West Island, Alaska, 8 km (5 mi) WNW from Augustine Volcano summit. These small hills were deposited as part of the 1883 debris avalanche (landslide) that triggered a Cook Inlet tsunami.
