north of aetna in the mediterranean is europe's largest active volcano, the underwater volcano. marcy lee is situated at a depth of around 3500 meters. there's another underwater volcano near the elian island chain off the island of panorama. francesco italiano and his team have been observing it since it was discovered in 2002 but another, a quickly re center is another. can you see? look, you can really see the bubbles that arising to the surface money. these are the most intense hydrothermal emissions that we've seen here in panorama. it's all carbon dioxide said philip and a lot of hydrogen sulfide loudy. you can smell the sulfur in the air and that's the 1st thing we noticed when we came to study pen ariano. but we didn't expect the time. was that under the sea, there was a whole world we couldn't see from above level minimum. this underwater volcano has actually been extinguished for millennia. southern regardless of praise under rascal breed. okay. it was a huge surprise, discovered that the fluids were rising to the surface in chimneys 3 to 4 meters high. and it was such a surpris

north of aetna in the mediterranean is europe's largest active volcano, the underwater volcano. marcy lee is situated at a depth of around 3500 meters. there's another underwater volcano near the elian island chain off the island of panorama. francesco italiano and his team have been observing it since it was discovered in 2002 but another, a quick recovery center is another. can you see? look, you can really see the bubbles that arising to the surface money. these are the most intense hydrothermal emissions that we've seen here in panorama. it's all carbon dioxide said philip and a lot of hydrogen sulfide loudy. you can smell the sulfur in the air and that's the 1st thing we noticed when we came to study pen ariano. but we didn't expect the time. was that under the sea, there was a whole world we couldn't see from above level minimum. this underwater volcano has actually been extinguished for millennia. regardless of praise under rascal breed. okay. it was a huge surprise, discovered that the fluids were rising to the surface in chimneys 3 to 4 meters high. and it was such a surprise bec