WILAYAH KERAWANAN LONGSOR DI KECAMATAN PAMIJAHAN KABUPATEN BOGOR

Abstract

Landslide is a disaster which often gives a destructive danger whether to our properties or our souls. Besides, it also destroys public facilities which effect on social and economic condition. Generally, a landslide is often caused by nature or human factors. This research goal is to know the distribution of the landslide site spots and the landslide vulnerability level in Pamijahan Bogor. To get the information of its vulnerability and its distribution in maps, which use Geographic Information System ArcGIS 10.1. the research has been conducted by descriptive kuantitative methods, they are field survey and overlay map. Whereas for identifying vulnerable landslide spots, it uses the scoring method. The observed parameters of the landslide vulnerability level are the precipitation, the slope, the height, the type of soil, and land use. The result of the research shows that there are 17 landslide site spots from 2011 to 2015. There are 3 levels for the landslide vulnerabilities (1) The less vulnerability level as wide as 257,79 ha, or 1,85%; (2) The vulnerable level as wide as 10.624,28 ha or 76,20%; (3) The most vulnerable as wide as 3.060,26 ha or 21,95%. It shows that Pamijahan is vulnerable enough to have landslide.