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Geological Agency of the Ministry of Energy and Mineral Resources

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Situations

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Flash floods and recovery in West Sumatra

9 clusters · 50 sources · last updated

Latest: Public Works Minister orders flood mitigation in West Sumatra

In mid-September 2026, heavy rainfall triggered a series of flash floods across West Sumatra, Indonesia. On September 18, flooding from the Aek Koronok and Batang Jember Tonang Raya rivers struck Pasaman Regency, affecti

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Anak Krakatau volcanic activity and new land formation

9 clusters · 61 sources · last updated

Latest: Anak Krakatau volcano erupts multiple times in Lampung

The Anak Krakatau volcano in the Sunda Strait has undergone a shift in activity levels. In mid-September 2026, the volcano transitioned from a period of continuous eruption to a Strombolian phase, marked by more episodic

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Indonesia volcanic activity September-October 2026

46 clusters · 77 sources · last updated

Latest: Indonesia volcanic activity and geothermal energy debates

Indonesia’s volcanic activity intensified through August and early September 2026. Between August 18 and 20, Mount Ibu, Mount Lewotobi Laki-laki, and Mount Semeru all experienced eruptions. Mount Ibu was placed at Level

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