Article Per Year (5 Year)
p-Index From 2020 - 2025
0
P-Index
This Author published in this journals
All Journal Indonesian Journal of Physics (IJP)
W.G.A. Kadir
Departemen Teknik Geofisika FIKTM Institut Teknologi Bandung, Jl. Ganesa 10 Bandung
Astronomy Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

Published : 1 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 1 Documents
Search

 1 
Inversi Kuadrat Terkecil Dari Turunan Horizontal Pertama (THP) Anomali Gaya Berat Residual Rata-Rata Berjalan Untuk Menafsirkan Parameter-Parameter Sesar di Segmen Kerinci Ahmad Fauzi Fauzi; Badrul M. Kemal; W.G.A. Kadir
Indonesian Journal of Physics Vol 12 No 4 (2001): Vol. 12 No.4, Oktober 2001
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (198.479 KB)

Abstract

A quantitative interpretation using a least-squares inverse based on the analytical expression from the first horizontal derivative (FHD) of moving average residual gravity anomalies is used to find depth and thickness of the fault. The problem of the depth determination has been transformed into the problem of finding a solution of a non-linear equation of the form f (z)=0. As a case study, this inverse is applied to carry out the fault parameters in the Kerinci segment. Two lines of gravity survey were carried out along and cross the Sumatra Fault System (SFS). The gravity anomaly pattern reflected a fault structure at northwest Sungaipenuh area in line along SFS and two-fault structure at western and eastern Sungaipenuh area in line cross SFS. The central depth and thickness of fault as a result inverse are 2.533 km and 0.815 km; 1.113 km and 1.985 km; 2.318 km and 4.195 km, respectively, for faults at northwestern, western and eastern Sungaipenuh area. The density contras is assumed - 0,43 g/cm3. Surface layer, basement and the layer faulted are reconstructed with density 2.22 g/cm3, 2.75 g/cm3 and 2.32 g/cm3, respectively. These results inverse agree with 2.5D forward model.
Co-Authors Ahmad Fauzi Badrul M. Kemal