Mount Semeru Continues To Erupt With Unobserved Eruption Visuals
JAKARTA - Mount Semeru, which has a height of 3,676 meters above sea level (masl), experienced constant eruption with visual eruptions not being observed on Saturday, December 7, 2024, WIB night.
"There was an eruption of Mount Semeru at 18.25 WIB. The height of the eruption column was not observed and when the report was made, the eruption was still ongoing," said Mount Semeru Observation Post Officer, Liswanto, in a written report received in Lumajang Regency, East Java.
Based on data, the highest mountain on the island of Java erupted 14 times on Saturday, from 06.00 to 18.25 WIB. However, most of the eruptions of Mount Semeru were not observed because they were covered in fog.
Previously, Mount Semeru erupted at 18.19 WIB and visual eruptions were not observed.
When the report was made, the eruption was still ongoing, but the maximum amplitude was unknown.
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Liswanto explained that Mount Semeru is still on alert status so that the Center for Volcanology and Geological Hazard Mitigation (PVMBG) provides a number of recommendations, namely that people are prohibited from carrying out any activity in the southeast sector along Besuk Kobokan as far as eight kilometers from the summit (the center of the eruption).
Beyond that distance, people are not allowed to carry out activities at a distance of 500 meters from the riverbank (river border) along Besuk Kobokan because it has the potential to be affected by the expansion of hot clouds and lava flows up to a distance of 13 kilometers from the summit.
"People are also not allowed to move within a radius of three kilometers from the crater/peak of Mount Semeru because it is prone to the dangers of incandescent stones," he said.
In addition, the public needs to be aware of the potential for hot clouds, lava avalanches, and rain lava along rivers/valleys that originate at the top of Mount Semeru, especially along Besuk Kobokan, Besuk Bang, Besuk Kembar, and Besuk Sat, as well as the potential for lava in small rivers that are tributaries from Besuk Kobokan.