Alviyanda, Rezky Naufan Hendrawan, Bilal Al Farishi, Daniel Radityo, Imam A. Sadisun
Sumatra Fault as product from tectonic events in Sumatra is the boundary between west and east blocks. Sumatra Fault reactivation could be generated several hazards, especially in Bukit Barisan Selatan National Park (BBSNP). Morphology of Sumatra Fault dominated by hill pattern variations from hill shade form, which should be delineated. The hazard potential has been identified by fault fracture density method combine with geological map and earthquake map. This research used ASTER GDEM and Regional Geology Map as basic data. Lineament interpretation is carried out on drainage map, DEM, and structural geology map. Earthquake data refer by earthquake history occurred near Sumatra Fault and subduction zone in western of Sumatra Island. The earthquake from Sumatra Fault potentially triggers landslide and liquefaction around BBSNP area. There is three regions as having geological hazard potential by Sumatra Fault movement, namely earthquake, landslide and liquefaction. Landslide will be collapsed relatively to the south and affected the main road of BBSNP. Furthermore, in eastern part of Sumatra Fault has liquefaction potential in Semaka and Suoh districts. © 2023 Author(s).
Geological Engineering Program Study, Institut Teknologi Sumatera, Indonesia; Research and Innovation Center for Geoscience and Mineral Technology, Institut Teknologi Sumatera, Indonesia; Faculty of Earth Science and Technology, Institut Teknologi Bandung, Indonesia
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