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  2. Tangkuban Perahu - Wikipedia

    en.wikipedia.org/wiki/Tangkuban_Perahu

    A study conducted in 2001 determined that Tangkuban Perahu had erupted at least 30 times in the previous 40,750 years. Studies of the tephra layers within three kilometres of the crater revealed that 21 were minor eruptions and the remaining were significant eruptions.