Mayon Volcano in Philippines is the important Volcano. Mayon Volcano is an active volcano on the Filipino island of Luzon, 15 km northwest of Legazpi City.It is classified by volcanologists as a stratovolcano (composite volcano). Its symmetric cone was formed through alternate pyroclastic and lava flows. Mayon is the most active volcano in the country, having erupted over 47 times in the past 400 years, and is a part of what is called the Pacific Ring of Fire.