Mount Semeru Eruption Sends Ash Plume 1,000 Meters High
An eruption of Mount Semeru in East Java, Indonesia, sent a plume of ash 1,000 meters above the summit, reaching 4,676 meters above sea level, with the event lasting 102 seconds and prompting safety warnings for nearby residents.
Consensus
- An eruption occurred at Mount Semeru in East Java, Indonesia.
- The ash plume rose approximately 1,000 meters above the volcano's summit.
- The eruption lasted 102 seconds.
- The ash plume reached a height of 4,676 meters above sea level.
- The volcanic activity level was at III (Alert).
- Residents were advised to avoid the southeastern sector near the Besuk Kobokan River within 13 kilometers of the eruption center.
- Activities within 5 kilometers of the crater were prohibited due to the risk of hot rocks.
- Lahars (volcanic mudflows) and hot clouds were a concern along rivers, particularly Besuk Kobokan.
- The eruption coincided with an ongoing forest fire on Mount Semeru, which had burned over 3,000 hectares.
- The national park route to the highest peak of Java was closed due to the fire.
- The eruption occurred in the context of multiple volcanic events in Indonesia within a week.
Points of divergence
- The ash plume was dense and white-gray in color, moving eastward. — vedomosti
- Specialists noted that the ash cloud was moving eastward and specifically warned about rivers Besuk Bang, Besuk Kembar, and Besuk Sat as potential lahar pathways. — kommersant
- The Jakarta's Soekarno-Hatta airport suspended operations on September 6 due to ash from the Anak Krakatau eruption. — kommersant
- The forest fire on Mount Semeru remained unextinguished as of September 6 and had burned over 3,000 ha. — vedomosti
- A volcanic eruption occurred on September 1 at Mount Sinabung on Sumatra Island, with an ash plume reaching about 3.5 km. — kommersant
Coverage (3 sources)
- In Indonesia, a column of ash rose 1000 m during the eruption of Semeru volcano — Ведомости
- In Indonesia, the third volcano of the week erupted — Коммерсантъ
- Eruption of Semeru volcano occurred in Indonesia. Ash rose to a height of 1,000 m above the summit, reported by information agency... — ТАСС (Telegram)