Identifikasi sesar daerah rawan longsor Jabungan Semarang menggunakan data anomali udara bebas (Riset Pendahuluan)

Abstract

< align="justify">Geophysical research has been done in Jabungan, Banyumanik, Semarang with the objective is to map the fault in the Jabungan area. Jabungan area is an area prone to landslides, several landslide events occurred in the area. From the existing geological map indicated some fault, which predicted in the Jabungan area. Several surveys of geophysical methods were done in the Jabungan area to examine landslide and fault as a disaster environmental study. One of the geophysical methods used is the gravity method. With this method can be obtained fault trend, depth and thickness. This survey is a preliminary survey to map the fault trend. This premilinary survey was done with an area of 2 km x 3,5 km. Results of premilinary survey is a trending fault pattern northwest northwest. For further analysis, data acquisition and area of research should be added.

Keywords: fault, gravity, Jabungan