TEMPO.CO, Jakarta - Mount Semeru in East Java erupted three times on Thursday, August 21, 2025. The Geological Agency of the Ministry of Energy and Mineral Resources reported a surge in volcanic ...

Indonesia's Geological Agency warns about the potential of a dangerous eruption from Mount Lewotobi Laki-Laki.

Mount Semeru, located on the border of Lumajang and Malang Districts in East Java, Indonesia, spewed another eruption with an ash column reaching 800 metres into the sky on Wednesday morning.

Mount Semeru, located on the border of Lumajang and Malang Districts, East Java, spewed another eruption with an ash column ...