Mount Semeru in East Java province unleashed searing clouds of hot ash and a mixture of rock, lava and gas that traveled up to 4.3 miles down its slopes.

The volcano has been active recently, having previously erupted on Nov 19 and Dec 5. Read more at straitstimes.com. Read more ...

Mount Semeru erupted again in East Java on Dec 13, 2025, with 36 eruptions in the last week. The ash column reached 500m.

Mt. Semeru erupted again on Saturday, sending a column of smoke and ash about 1,000 meters (3,280 feet) above its peak in Indonesia’s East Java province, according to local media reports.

Mount Semeru erupted again (700m ash plume), 29 times this week. Level III alert. Warnings issued for Besuk Kobokan. Semeru leads Indonesia's 2025 eruptions with 3,007.

Lumajang, Indonesia — Rescuers evacuated more people Monday from nearby villages after the eruption of Indonesia's Mount Semeru, with officials warning of danger from cooling lava despite less ...

The authorities at Ngurah Rai airport in Bali said flight schedules were operating as usual so far. Read more at straitstimes ...

A year after its last major eruption, Indonesia's Mount Semeru is at it again — and prompting worry and evacuations. The volcano, located in Lumajang, East Java, sent columns of ash about 5,000 feet ...

SUMBERWULUH, Indonesia (Reuters) -The eruption of Semeru volcano has killed at least 14 people and injured dozens on Java island, Indonesia’s disaster agency said on Sunday, as rescue teams searched ...

JAKARTA, Indonesia — Indonesia’s highest volcano on its most densely populated island released searing gas clouds and rivers of lava Sunday in its latest eruption. Monsoon rains eroded and finally ...

A volcano on Indonesia’s most densely populated island erupted Sunday about a year after its last burst that killed more than 50 people. Mount Semeru, the highest volcano in the country at 12,060 feet ...

The activity was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 182 seconds. In addition to the ash plume, the 3,676-meter-high volcano, the tallest peak on ...