One question... what's a fumarole?

Above this channel is covered with fumaroles

She found a fumarole down lower than expected.

The fumarole is about 1/4 mile from here.

This fumarole is showing the magma's heat is increasing.

I'm just so excited to find this fumarole, which I didn't know existed.

I am southwest of the Coalman glacier at about 4,500 feet, and this looks to be a fumarole.

Along the slopes of the volcano there are vents where steam creates so-called fumaroles, bizarre chimneys of ice, sometimes reaching two stories in height.

I'm finding what appears to be ignimbrite, but I'm just so excited to find this fumarole, which I didn't know existed.