active vent on the floor of Pu‘u ‘Ō‘ō.
Detailed Description
A close-up of the active vent on the floor of Pu‘u ‘Ō‘ō crater.
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.
