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.
The left edge of the lava flow is following the inland contours of Hakuma horst, the fault block to the left, which is directing the flow into the heart of Kalapana.
Public Domain.
