24 confirmed eruptive periods Smithsonian Global Volcanism Program – Mayon volcán más activo de Filipinas Mayon volcano Вулканът Майон в Global Vulcanism Programme Mayon Volcano Smithsonian Global Volcanism Program â Mayon Smithsonian Global Volcanism Program – Mayon Mayon // Global Volcanism Program — Smithsonian Institution Mayon // Global Volcanism Program — Smithsonian Institution Mayon