Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
P-Index
This Author published in this journals
All Journal Jurnal Geocelebes Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika
Amanda, Anisa
Unknown Affiliation
Earth & Planetary Sciences Materials Science & Nanotechnology

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Pemisahan Anomali Gayaberat Regional dan Residual Menggunakan Metode Gaussian Low Pass Filter pada Daerah Potensi Panas Bumi Way Ratai Lampung Agustian, Rizki Buana; Amanda, Anisa; Fista, Aksela Dian; Dani, Ilham
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 8 No 2 (2025): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2025.8.2.16700

Abstract

This study aims to separate regional and residual components from complete Bouguer anomaly data using the Gaussian Low Pass Filter method in the geothermal prospect area of Way Ratai, Lampung. Spectral analysis was applied to determine the optimal cutoff frequency that distinguishes regional, residual, and noise components. The spectrum analysis identified three linear segments with R² values of 0.8332 (regional), 0.9655 (residual), and 0.9518 (noise), supporting the accuracy of the segmentation. The complete Bouguer anomaly map displays a decreasing gravity trend towards the northeast, indicating large-scale subsurface density variations. After filtering, the regional anomaly map shows smooth contours reflecting broader geological structures, while the residual anomaly map reveals sharper local features such as faults and fractures, which are potential geothermal fluid pathways. These results demonstrate the effectiveness of the Gaussian Low Pass Filter in enhancing geophysical resolution and geological interpretation for geothermal exploration.
Identification of Magma Intrusion Distribution in the Sekincau Mountain Area Based on the Euler Deconvolution Method of Gravity Data: Application of Gravity-Based Euler Deconvolution for Intrusive Mapping Amanda, Anisa; Agustian, Rizki Buana; Fista, Aksela Dian; Dani, Ilham
JURNAL GEOCELEBES Vol. 10 No. 1: April 2026
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70561/geocelebes.v10i1.49005

Abstract

Mount Sekincau, West Lampung, is located within the active Bukit Barisan tectonic zone and exhibits geothermal potential controlled by magmatic activity and geological structures. This study aims to identify the distribution and depth of magmatic intrusions using gravity data analysis and Euler deconvolution. GGMPlus satellite gravity data were processed to generate Complete Bouguer Anomaly, regional and residual anomalies, analytical signal, Euler solutions, and three-dimensional models. The Complete Bouguer Anomaly values range from 38.05 to 58.32 mGal, with high anomalies concentrated in the central part of the study area. Positive residual anomalies ranging from 0.88 to 2.78 mGal indicate the presence of shallow high-density bodies interpreted as magmatic intrusions. Analytical signal and Euler deconvolution results with a structural index of 0 reveal clusters of shallow sources associated with fault zones. Three-dimensional modeling confirms a southeastward-oriented intrusive body. These results indicate that shallow magmatic intrusions act as the primary heat source of the Sekincau geothermal system.
Co-Authors Agustian, Rizki Buana Dani, Ilham Fista, Aksela Dian