Global Volcanic Activity Report March 21, 2026: Eruptions at Fuego, Popocatépetl, and Mayon
Daily volcanic activity report for March 21, 2026: Major eruptions detected at Fuego (Guatemala), Popocatépetl (Mexico), Mayon (Philippines), and Indonesian volcanoes Ibu and Semeru. Aviation alerts, ash fall warnings, and safety recommendations included.