GEOPHYSICAL ENGINEERING (TEKNIK GEOFISIKA): Recent submissions
Now showing items 1-20 of 730
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Preliminary Time Lapse Ground Penetrating Radar (GPR) Analysis to Evaluate the Effectiveness of Grouting in the MSR MP 53 PT Freeport Indonesia
(2025-07-30)This study presents a preliminary analysis using the time-lapse Ground Penetrating Radar (GPR) method to evaluate the effectiveness of grouting in the MSR MP53 area of PT Freeport Indonesia, the only access to the ... -
Investigation of the Inferred Cugenang Fault Using Satellite-Based GGMPlus Gravity Data
(2025-08-13)The Cugenang Fault is a new identified fault that caused the Cianjur Earthquake that occurred in November 2022, but the existence of the fault still hasn’t been clearly understood in the context of regional geology. In ... -
Site Classification using Multichannel Analysis of Surface Wave (MASW) Method for Evaluation Foundation Costruction Planning of The Meureudu Hydropower Tunnel
(2025)A critical component in the development of the Meureudu Hydropower Plant (PLTA) in Aceh Province is the construction of a tunnel to channel water from the reservoir to the power generation unit. Accurate site classification ... -
SEISMOTECTONIC ANALYSIS B-VALUE IN PAPUA
(2025-08-12)Indonesia stands at the convergence of three active tectonic plates: the Eurasian, Indo-Australian, and Pacific plates, making it highly susceptible to seismic ac-tivity. Papua, located in an active subduction zone, ... -
PREDICTION OF POROSITY DISTRIBUTION USING MULTI-ATTRIBUTE PROBABILISTIC NEURAL NETWORK (PNN) AT VOLVE FIELD, NORWAY
(2025-08-12)Predicting porosity distribution from seismic data in geologically complex areas, such as the Volve Field, is a significant challenge due to the ambiguous and non-linear relationship between rock properties and seismic ... -
IDENTIFYING THE LOW VELOCITY LAYER IN GELORA BANDUNG LAUTAN API STADIUM, GEDEBAGE, BANDUNG USING MULTICHANNEL ANALYSIS OF SURFACE WAVES (MASW) METHOD
(2025-08-13)Gedebage, located in the Bandung area, is historically part of an ancient lake basin surrounded by multiple fault zones. As the lowest point of the former lake, this region has accumulated ancient lake sediments composed ... -
Subsurface Layer Mapping in a Land Subsidence Prone Area using Ground Penetrating Radar (GPR) Method: A Case Study in Gelora Bandung Lautan Api Stadium, Bandung, Indonesia
(2025-07-31)Gedebage District indicates land subsidence, particularly in low-lying areas underlain by alluvial deposits. These geological conditions contribute to an increase in land subsidence susceptibility. One of the most critically ... -
3D Modeling of Magnetic Anomalies For Estimating The Depth & Distribution of Gold Deposits in The Camp Bird Mine Area, Colorado
(2025-08-12)Gold mineral exploration requires effective geophysical approaches to non-invasively identify subsurface prospective zones. Among these, magnetic methods are widely applied due to their sensitivity to variations in the ... -
Reservoir Characterization Using Acoustic Impedance Inversion Method and Multiattribute Analysis in the “X” Field, Central Sumatra Basin
(2025-08-12)Reservoir characterization is the process of analyzing and describing reservoir properties using well log data and seismic data, which is common for oil and gas drilling purposes. The location of the study is in the “X” ... -
STUDI COMPARTMENTALIZATION RESERVOIR MENGGUNAKAN DATA PRESSURE LAPISAN “X”, LAPANGAN IMO
(Universitas Pertamina, 2025)Lapangan IMO di Cekungan Sumatera Tengah menunjukkan indikasi terjadinya kompartmentalisasi reservoir, yang ditandai oleh variasi tekanan signifikan pada Reservoir X. Studi ini bertujuan untuk menganalisis karakteristik ... -
Floating Storage and Offloading (FSO) Mooring System Identification Using Integrated Side Scan Sonar And Multibeam Echosounder
(2025-08-08)The Floating Storage and Offloading (FSO) plays an important role as a key component in supporting the infrastructure for oil and gas production activities in maritime. Regular inspections of FSOs' mooring systems, which ... -
SUBSURFACE STRUCTURE MODELING BASED ON RECEIVER FUNTION ANALYSIS AS AN INTERPRE- TATION OF TELESEISMIC EARTHQUAKE
(2025-08-12)The Nusa Tenggara to Timor region lies within a complex tectonic zone resulting from the interaction between the Indo-Australian and Eurasian Plates, which drives significant seismic activity and crustal structural ... -
Application of the Vertical Gravity Gradient and Time Lapse Microgravity Method for Identifying Groundwater Vulnerability Boundaries and Land Subsidence Zones in the Gedebage District, West Java
(2025-08-11)Gedebage District in the Bandung Basin experiences land subsidence at a rate of 9– 14 cm per year, primarily due to excessive deep-aquifer groundwater extraction, exacerbated by geological conditions and human activities. ... -
IDENTIFICATION OF SOFT SOIL THICKNESS USING SHEAR WAVE (S-WAVE) REFLECTION SEISMIC METHOD IN INDRAMAYU AREA, WEST JAVA
(2025-08-11)Indramayu Regency, West Java, geologically has the potential for land subsid-ence due to the dominance of Young Quaternary deposits as the main constituent rocks. To identify the geometry of geological structures and the ... -
APPLICATION OF SPECTRAL DECOMPOSITION, RGB BLENDING, AND AMPLITUDE VERSUS FREQUENCY (AVF) METHOD IN PENOBSCOT FIELD, NOVA SCOTIA, CANADA
(2025-08-11)This study aims to delineate the existence of structures such as faults and channels, how frequency relates to structure especially thin structures and to see the distribu- tion of attenuation using continuous wavelet ... -
ESTIMATION OF RELATIVE AND ABSOLUTE TIME DELAY USING A MODIFIED ADAPTIVE STACKING METHOD
(2025-08-11)Accurate estimation of seismic wave arrival times plays a fundamental role in earthquake analysis, seismic tomography, and lithospheric studies. However, waveform misalignment caused by station variability, subsurface ... -
APPLICATION OF SLANT MOVEOUT CORRECTION IN RECEIVER FUNCTION ANALYSIS
(Muhammad Adhitya Chandra Hariyono, 2025-08-11)Receiver function (RF) analysis is widely used to image seismic discontinuities in the Earth's crust and upper mantle. However, variations in slowness and incidence angle, especially in the presence of dipping interfaces, ... -
SOIL VULNERABILITY ANALYSIS FOR SEISMIC ZONATION IN THE NUSA TENGGARA TIMUR REGION USING THE HORIZONTAL TO VERTICAL SPECTRAL RATIO (HVSR) METHOD
(2025-08-11)Nusa Tenggara Timur (NTT), located within the seismically active Sunda–Banda Arc transition zone, is characterized by complex tectonic interactions involving the Indo-Australian, Eurasian, and Pacific plates. To support ... -
GROUND MOTION PREDICTION EQUATION (GMPE) FOR EAST NUSA TENGGARA CALIBRATING THE WORLD MODEL WITH LOCAL SEISMIC DATA
(2025-08-11)This study aims to develop a Ground Motion Prediction Equation (GMPE) tai-lored to the shallow crustal seismic characteristics of East Nusa Tenggara, Indo-nesia. The purpose is to support seismic hazard mapping and disaster ...