Mount Semeru in East Java erupted again on Feb 9,2026, marking its 4th eruption in a week. PVMBG reports its activity level at Alert Level III, advising restricted activities in surrounding areas. It ...

Mount Semeru, on the border of Lumajang and Malang Districts in East Java, erupted seven times within three hours on ...

The first eruption was recorded at 4:58 a.m., producing an ash column approximately 500 meters high that drifted to the northeast, ...