Fumaroles come in all shapes and sizes. This collection of small vents issues into the outflow of Porcelain Springs, which passes below the boardwalks in the Norris Geyser Basin.
Credit / Author:
NPS/Jennifer Jerrett
Date created:
10/14/2020
Fumarole (large)
The roar of steam from this unnamed fumarole speaks to the tremendous heat below the Norris Geyser Basin.