The active Sicilian volcano is known as Mount Etna. It is the largest active volcano in Europe and one of the most active volcanoes in the world. It is located on the east coast of Sicily, Italy and has been erupting for thousands of years. It is a stratovolcano with a base diameter of about 25 kilometers and a height of 3, 329 meters. Etna is also one of the most well-monitored volcanoes in the world, with a network of seismometers and other monitoring equipment.