Mount Semeru's volcanic activity is the most abundant in Indonesia

Volcanic smoke from the crater of Mount Semeru was observed from Candipuro District, Lumajang, East Java, on Tuesday (June 16, 2026). According to data from the website magma.esdm.go.id, Mount Semeru is the most active volcano in Indonesia with 1,263 eruptions from January 1 to June 16, 2026, followed by Mount Ibu with 930 eruptions and Mount Lewotobi Laki-laki with 215 eruptions. ANTARA FOTO/Irfan Sumanjaya/YU

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