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All Journal Jurnal Pengabdian Masyarakat Asia Journal of Technomaterial Physics
Anggria, Della Cici
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Delineation of Coal Identification Using Inversion Microtremor and Borehole at PT X Rahmawati, Nurul Ilmi; Refrizon, Refrizon; Kusuma, Budi Praba; Ansory, Andre Rahmat Al; Syah, M. Taufiqqurahman; Anggria, Della Cici; Triutami, Olga
Journal of Technomaterial Physics Vol. 6 No. 1 (2024): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v6i1.16077

Abstract

Coal is a natural resource composed of organic and inorganic materials. The potential of coal is one of the national and world resources. Microtremor method is a geophysical exploration method that utilises microseismic waves to identify the presence of hydrocarbons. Microtremor data processing is processed first using Geopsy software to obtain the H/V curve which will then be processed using Hv-Inv software to obtain the Vs value. Microtremor data is correlated with data from the borehole, the coal seam thickens to the southwest. Similarly, with the correlation results of other microtremor cross sections, the cross section shows that the coal seam is thickened and continuous to the west or southwest. This is further strengthened by the existence of boreholes as a correlation of coal Vs value data in the range of 613.37 m/s-887.70 m/s. Other constituent materials such as soil,claystone, sandstone, carboneseus. Based on the Vs value of the 1D model, it is known that the research area shows the distribution of coal at a depth of 53.5-76 metres. The coal layer in the study area is bituminous to sub-bituminous coal.
Administrative and Topographic Map of Kelurahan to Support Land Efficiency and Flood Mitigation Refrizon; Farid, Mochammad; Ekawita, Riska; Fauzi, Hera Wahyu; Anggria, Della Cici; Prasetyo, Rendi Dwi
Jurnal Pengabdian Masyarakat Vol. 5 No. 2 (2024): Jurnal Pengabdian Masyarakat
Publisher : Institut Teknologi dan Bisnis Asia Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jpm.v5i2.1779

Abstract

Purpose: The community service activity by the University of Bengkulu Geophysics and Physics Team aimed to assist the community of Kandang Limun, Bengkulu City, by developing maps that display area boundaries and topographical elevations. The maps were intended to serve as easily accessible sources of information for the local community and to aid in planning and development efforts.Method: The methodology involved conducting a preliminary survey, collecting data, preparing software tools, and creating both boundary and topographic maps. A questionnaire was distributed to assess community satisfaction with the project.Practical Applications: The maps provide valuable information for local government and residents, serving as a resource for defining area boundaries and understanding topographical features. These maps are particularly useful for urban planning, land use, and community development initiatives.Conclusion: The creation and public display of administrative and topographical maps in the Kelurahan office have improved access to essential geographical information. This initiative supports better community planning and contributes to the informed development of the area, benefiting both the local government and residents.
Co-Authors Ansory, Andre Rahmat Al Farid, Mochammad Fauzi, Hera Wahyu Kusuma, Budi Praba Rahmawati, Nurul Ilmi Refrizon Refrizon Refrizon Rendi Dwi Prasetyo Riska Ekawita Syah, M. Taufiqqurahman Triutami, Olga