There is an awful lot that humans don't know about the little blue orb they call earth.
From Interesting Engineering, May 17:
Rare underwater mud volcano discovered in Norwegian Arctic's Barents SeaThis is only the second time a mud volcano has been discovered in Norwegian waters. The other known one is the Hkon Mosby volcano.
Experts have discovered a new mud volcano in the deep icy waters of the Norwegian Arctic's Barents Sea. Surprisingly, the volcano is still active and has been oozing a cocktail of mud, liquid, and predominantly methane.
As per the University of Tromsø (The Arctic University of Norway), this unusual volcano provides a window into the Earth’s interior activity. This fascinating discovery was made in collaboration with REV Ocean.
“Exploring the seabed and discovering new methane [seeps] is like finding hidden treasures. Every time we go down to the seabed, we get the feeling that we have just begun to understand the great and incredible diversity of such [seep] systems," said Stefan Buenz, co-leader of the Advancing Knowledge of Methane in the Arctic (AKMA) expedition, in a translated statement....
....MUCH MORE
The number of submarine volcanoes around the world is still pretty much unknown. One study extrapolated a small census out to three million of the damn things if you count the inactive ones. Links after the jump....
It looks like a tiny version of the Nord Stream pipeline release, the largest methane spew that humans have ever perpetrated.