Mount Etna Emission is a term used to describe the volcanic ASH that is emitted from Mount Etna, an active stratovolcano located on the east coast of Sicily, Italy. The volcano has been erupting for thousands of years and is one of the most active volcanoes in the world. The ASH emitted from the volcano can travel hundreds of miles and cause disruption to air travel and other activities. The term Mount Etna Emission is used to refer to the ASH that is emitted from the volcano.