JAKARTA - The DKI Jakarta Regional Disaster Management Agency (BPBD) explained 14 sub-districts that are prone to landslides or experience ground movement as of October 2022. This data was obtained from the Center for Volcanology and Geological Disaster Mitigation (PVMBG) of the Ministry of Energy and Mineral Resources.
This area is spread across West Jakarta, South Jakarta, East Jakarta. Among them are Kembangan, Pancoran, Cipayung, Ciracas, and Makasar sub-districts with the potential for ground movement at an intermediate level.
Then, Cilandak, Jagakarsa, Kebayoran Baru, Kebayoran Lama, Mampang Prapatan, Pasar Minggu, Pesanggrahan, Kramat Jati, and Pasar Rebo sub-districts with the potential for ground movement at a medium-high level.
Head of BPBD DKI Jakarta Isnawa Adji explained, in areas with the potential for medium ground movement, ground movement can occur if the rainfall is above normal, especially in areas bordering river valleys, gadgets, road cliffs, or slopes that are experiencing disruption.
"The potential for high ground movement can occur if the rainfall is above normal, while the old ground movement can be reactivated," Isnawa said in his statement, Wednesday, November 2.
Isnawa explained that the majority of landslides occurred due to the high intensity of rainfall in locations around rivers or rivers.
Meanwhile, from 2017 to 2021 there were a total of 57 landslides spread across various locations in Jakarta.
"Most of them occurred in the South Jakarta area with 34 incidents and East Jakarta with 21 incidents. As for the details of the kelurahan area, the most occurred were in Srengseng Sawah with 6 incidents and Ciganjur with 4 incidents," explained Isnawa.
The characteristics of the landslide include a layer of soil/rock that is tilted to the outside, a crack to the ground that forms a horseshoe, water seepage on the slope, and a tree with a curved bar and a change in the slope of the land that was previously sloping to become steep.
Isnawa appealed to the public, especially those around the river/river area not to build houses above/under/wallbides, not to build buildings around the river, not to cut down trees around the slopes, and to avoid construct ponds or fields above the slopes.
"The DKI BPBD also encourages relevant stakeholders to be able to develop structural mitigation strategies to reduce disaster risk that can occur at any time in the community," he added.
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