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.

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

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

Mount Semeru in East Java erupted again on Dec 11, 2025, for the 22nd time this week. PVMBG recorded 3,000 eruptions in 2025, the most in Indonesia, and advises caution due to potential hot clouds and ...

JAKARTA (Reuters) -Indonesian authorities evacuated over 1,000 people, including over 170 hikers, on Thursday after the ...

JAKARTA, Indonesia (AP) — Indonesia’s Mount Semeru, the highest peak on Java island, erupted Wednesday, blanketing several villages with falling ash, prompting evacuations and leading authorities to ...

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 ...