A5102748127- Geological and Geophysical Studies
- Seismic Waves and Analysis
- Seismic Imaging and Inversion Techniques
- Seismology and Earthquake Studies
- Geophysical and Geoelectrical Methods
- Earthquake Detection and Analysis
- Geophysical Methods and Applications
- earthquake and tectonic studies
- Geomagnetism and Paleomagnetism Studies
- IoT-based Control Systems
- Geophysics and Gravity Measurements
- High-pressure geophysics and materials
- Underwater Acoustics Research
- Engineering and Technology Innovations
- Hydrocarbon exploration and reservoir analysis
- Drilling and Well Engineering
- Hybrid Renewable Energy Systems
- Geochemistry and Geologic Mapping
Badan Pusat Statistik
2024
Meteorological, Climatological, And Geophysical Agency
2023
Bandung Institute of Technology
2021
Universitas Gadjah Mada
2021
State University of Malang
2020
Abstract This paper presents the depth inversion of Rayleigh wave group velocity to obtain an S-wave model from seismic ambient noise cross-correlation in western Java, Indonesia. study utilizes vertical component data a temporary seismograph network deployed 2016, which was used previous estimate fundamental mode maps. In this study, Neighborhood Algorithm applied invert velocities into 1D shear-wave ( Vs ) profiles, were then interpolated produce high-resolution, pseudo-3D model. These...
Abstract Tangkuban Parahu Volcano, located in Cikahuripan, Lembang, West Bandung Regency, Java, Indonesia, has a geothermal potential. However, this potential is accompanied by geohazard risks, one of which volcanic eruption that can interfere with the development On February 12, 2022, there was gust gas from Ratu Crater, indicating an increase activity after 2019. Based on geological map Parahu/Sunda Volcano Complex, it estimated fault structure northwest-southeast direction, where if...
Abstract Subsurface images of an area with a thick volcanic layer generally cannot be well-imaged conventional seismic exploration (seismic reflection) due to wave scattering. Another method is needed obtain accurate subsurface image in area. In this study, we applied ambient noise tomography (ANT) the shear-wave velocity (Vs) structure Banyumas Basin, Central Java, Indonesia, which has relatively layers. We aimed delineate sediment deposits and sedimentary thickness through utilization...
The presence of numerous oil and gas seeps along the Pamanukan-Cilacap Fault Zone Banyumas Basin. This indicate that Basin is an active petroleum system. However, exploration in this area complicated by extensive volcanic rocks from Paleogene to Recent Times. Thick covers are responsible for poor seismic data quality making subsurface imaging difficult. Therefore, there prospective sedimentary sequence beneath rock as potential hydrocarbon resources basin. review will focus on geochemical...
The Banyumas Basin is a tertiary sedimentary basin located in southern Central Java, Indonesia. Due to the presence of volcanic deposits, 2-D seismic reflection methods cannot provide good estimation sediment thickness and subsurface geology structure this area. In study, passive tomography (PST) method was applied image 3-D Vp, Vs, Vp/Vs ratio. We used 70 seismograph borehole stations with recording duration 177 days. A total 354 events 9, 370 P 368 S phases were as input for tomographic...
Abstract This paper presents the depth inversion of Rayleigh wave group velocity to obtain an S-wave model from seismic ambient noise cross-correlation in western part Java, Indonesia. study utilizes vertical component data a temporary seismograph network deployed 2016, which was used previous estimate fundamental mode maps. In this study, Neighbourhood Algorithm applied invert velocities into 1D shear-wave ( Vs ) profiles, were then interpolated produce high-resolution, pseudo-3D model....
Abstract The volcanic warning system in Indonesia is divided into four levels namely normal, waspada, siaga and awas. Based on the setting above, a study needed to design activity forecast using temperature sensors, SO 2 , CO concentration, as well vibration. formulation of determining conditions carried out by fuzzy logic. Volcanic measurements are real time continuously. Fuzzy logic has been used process alert level based measured parameters. There 53 rules determine volcano activity. Best...
Abstract We conducted a study using the magnetotelluric method in Kutai Basin, which is one of largest and deepest tertiary sedimentary basin located province East Kalimantan, Indonesia. The that proven to produce hydrocarbons Indonesia, also has potential for shale gas with all complexities its geological structure. Inversion 2-D MT can generally be done three modes different sensitivity. perform data processing objectively obtain best quality data. continued our inversion process range...
Abstract Subsurface images of an area with a thick volcanic layer generally can not be well-imaged conventional seismic exploration (seismic reflection) due to wave scattering. Another method is needed obtain accurate subsurface image in area. In this study, we applied Ambient Noise Tomography (ANT) the shear-wave velocity (Vs) structure Banyumas Basin, Central Java, Indonesia, which has relatively layers. We aimed delineate sediment deposits and sedimentary thickness Although limited...
Abstract The Banyumas Basin is one of a sedimentary basins in the southern coast Central Java that has many manifestations presence hydrocarbons form oil and gas seeps found on surface. Its covered by thick subvulcanic layer. A conventional seismic active method which usually used to delineate subsurface structures an hydrocarbon area, however it can be challenging imaged beneath surface areas sub-volcanic sediments. Another needed investigate image such as basin. We cross correlated ambient...
A study using gravity methods in the Banyumas Basin, located southern part of Central Java, Indonesia had been conducted to generate a map for regional geological features sub-volcanic basin related petroleum system. This used first and second-order Trend Surface Analysis (TSA) separate anomaly into residual components. Matrix inversion is applied obtain constants values both TSA. To interpret oil gas study, components are anomaly. Residual also compared second order TSA with validate...