Indonesia, MRN – Mount Semeru continues to display heightened volcanic activity, as evidenced by the eruption of the Volcano’s Pyroclastic Flow (APG) and other indicators on Sunday (4/12).
The APG originates from accumulations of material at the top of the lava flows, located approximately 800 meters from the summit (Jonggring Seloko Crater).
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The Volcano’s Pyroclastic Flow persisted until 06.00 A.M, with volcanic ash reaching 7 Km from the peak to Besuk Kobokan.
On December 4, 2022, between 00.00 and 06.00 A.M local time, there were eight recorded instances of seismic activity in Eruptive Earthquakes.
One of the volcanic pyroclastic flow earthquakes persisted until 06.00 A.M, indicating that the eruption activity and volcanic ash at Mount Semeru are still at extreme levels.
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In addition to the potential for volcanic ash, the power of lava flow remains high due to the increased precipitation on Mount Semeru.
In response to this heightened volcanic activity, the Center for Volcanology and Geological Hazard Mitigation (PVMBG) has raised the status of Mount Semeru from ‘Advisory’ to ‘Warning’, or from Level III to Level IV, as of 12.00 WIB today.
Based on the recent status update, PVMBG advises the community to cease activities in the southeastern sector near Besuk Kobokan, up to a distance of 13 km from the eruption center.
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Beyond this area, it is recommended that activities be halted at least 500 meters away from the riverbank along Besuk Kobokan due to potential impact from volcanic ash and lava flows extending up to 17 km from the epicenter.
Following field observations conducted by the PVMBG team and the Lumajang Regency Regional Disaster Management Agency (BPBD), it has been confirmed that the APG slide has reached a distance of 19 kilometers, even crossing the Gladak Perak Bridge, as reported by Joko Sambang, Head of Emergency BPBD Lumajang Regency.
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Reports indicate that volcanic ash from Semeru volcano appears in dark gray and black hues, causing limited visibility due to ashfall and accompanying rainfall in the area. Joko described the current conditions at Kajar Kuning as heavy rainfall and thick ash.
BPBD Lumajang Regency detailed that as many as 93 residents moved to the evacuation center sited at the Sumber Urip Village Hall, Pronojiwo District, Lumajang Regency.
(Christin)
