Mayon Volcano is an active volcano on the Philippines. It is located 15 km northwest of Legazpi City. Mayon is classified by volcanologists as a stratovolcano or 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.