AKTIVITAS TEKTONIK RELATIF SESAR ALAS DAN SESAR SUMATERA SEGMEN BENGKULU PROVINSI BENGKULU

MARBUN, ANJU GOLDMOREAST and Sutriyono, Edy (2022) AKTIVITAS TEKTONIK RELATIF SESAR ALAS DAN SESAR SUMATERA SEGMEN BENGKULU PROVINSI BENGKULU. Undergraduate thesis, Sriwijaya University.

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Abstract

Sumatra is one of the islands in Indonesia that is affected by active tectonic activities, because it is controlled by the interaction between the Indo-Australian and Eurasian plates. The interaction between the two lithospheric plates resulted in the emergence of the Barisan Orogeny, where the basin area was uplifted and active faults were developed along the island. This study examines the role of the Sumatran Fault and the Mentawai Fault which are responsible for the evolution of the Bengkulu Basin. The evaluation focused on morphographic analysis of the Bengkulu Segment Sumatran Fault (SF) and Alas Fault (AF) with dip-slip movements in the Renah Gajah Mati I and surrounding areas of Seluma Regency, Bengkulu. The parameters used include "valley floor width to valley height ratio (Vf), basin elongation (Re), hypsometric integral (HI), volume to area ratio (Rva), and mountain front sinuosity (Smf)". The results of the analysis show that AF has a relatively medium-high uplift value based on the value of the index of tectonic activity (IAT) plot and this indicates that the area is potentially affected by seismic hazards.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Tektonik, Morfografi, Indeks Aktivitas Tektonik, Sesar Alas, Sesar Sumatera.
Subjects:	Q Science > QE Geology > QE1-996.5 Geology Q Science > QE Geology > QE500-639.5 Dynamic and structural geology Q Science > QE Geology > QE601-613.5 Structural geology
Divisions:	03-Faculty of Engineering > 34201-Geological Engineering (S1)
Depositing User:	Anju Goldmoreast Marbun
Date Deposited:	02 Aug 2022 03:54
Last Modified:	02 Aug 2022 03:54
URI:	http://repository.unsri.ac.id/id/eprint/75152

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