lava has reached base of steep pitch
Detailed Description
Most lava has reached base of steep pitch and, only 32 seconds later, has developed noticeable crust that is wrinkling and already breaking.
Sources/Usage
Public Domain.
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.
