ON RELOCATION OF SETTLEMENT AFTER THE CIANJUR EARTHQUAKE AND LANDSLIDE 2022
DOI:
https://doi.org/10.21837/pm.v22i30.1446Keywords:
Relocation, Settlement, Earthquake, Landslide, CianjurAbstract
An Earthquake and landslide occurred in Cianjur, Indonesia, in November 2022. This resulted in a lot of losses, both fatalities and the disappearance of some settlements. Relocation would be obligatory as post-disaster mitigation policies for areas with highest disaster threats. This research was conducted to find its relocation areas. The method used is overlay and scoring by utilizing GIS applications. The used data are rainfall data, slope, geological maps, Cianjur earthquake hazard maps, fault line buffering, and supervised classification of land cover/use maps. Analysis of the results in the form of landslide hazard maps and disaster safety maps. The search for the expected relocation area is carried out by overlaying a disaster-safe map with residential areas, so that a post-disaster residential relocation recommendation map is produced with five classes, namely very good, good, medium, bad, and very bad. An analysis is also carried out for directions for the use of the affected area for the very bad class used as a protected area and no buildings are allowed on it. Bad class is not allowed to live on it, but can be used for social activities, plantations and paddy fields. The moderate vulnerability class can still be used as a residence, economic centre, or other social activities. Meanwhile, the safe and very safe vulnerability classes do not have any land use restrictions.
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