Aa lava flows erupting from Mauna Loa.
Detailed Description
Aa lava flows erupting from Mauna Loa.
Sources/Usage
Public Domain.
HVO
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.
