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.

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 activity was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 182 seconds. In ...

After Mount Semeru in the main Indonesian island of Java erupted on November 19, 2025, social media posts shared old clips of a volcanic mudflow falsely claiming they showed its impact on the ...

Mount Semeru in East Java erupted again on Wednesday, its 18th in a week. The activity level is at Alert (Level III). PVMBG advises against activities within 13 km of the peak and 500m from riverbanks ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. JAKARTA, Indonesia (AP) — Mount Semeru, the ...

Mount Semeru, the highest volcano on Indonesia’s Java island erupted on Saturday, spewing hot clouds as far as away as three miles. Indonesia’s National Disaster Mitigation Agency didn’t issue any ...

LUMAJANG, Indonesia — The death toll following the eruption of the highest volcano on Indonesia's most densely populated island of Java has risen to 13, with seven people still missing, officials said ...

LUMAJANG: Indonesia's Mount Semeru - located in Lumajang regency, East Java - erupted again on Dec 8, sending an ash column 1 ...