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All Journal IJOG : Indonesian Journal on Geoscience ASEAN Journal of Community Engagement
Shah, Afroz Ahmad
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Earth & Planetary Sciences Economics, Econometrics & Finance Education Public Health Social Sciences Other

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LIVING WITH EARTHQUAKE HAZARDS IN SOUTH AND SOUTH EAST ASIA Shah, Afroz Ahmad; Qadri, Talha; Khwaja, Sheeba
ASEAN Journal of Community Engagement Vol. 2 No. 1 (2018)
Publisher : UI Scholars Hub

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Abstract

A large number of geological studies have shown that most of the Asian regions are prone to earthquake risks, and this is particularly significant in SE Asia. The tectonics of this region allow the geological investigators to argue for severe vulnerability to major and devastating earthquakes in the near future. This remind us of the devastations of Nepal in 2015, of Japan in 2011, and significant destruction of life and property at Acehnese and Thai coasts in 2004, and of Kashmir and New Orleans in 2005. Such example of destructions could be minimized to a greater extent if proper scientific and administrative framework is established. This was surely lacking in most of the above examples. And previous studies have suggested that scientists and administrative authorities should work together, and map the actual vulnerabilities on ground, and simultaneously educate people about the probable causes of earthquakes and how to minimize the destruction. Here we further show that nations with a turbulence political past, and an ongoing unstable political problem are more likely to score less on securing its people from disasters. And this score can significantly deteriorate if a nation does not work on eradication of corruption. Because corruption can make monsters out of ordinary disasters. We further show that South and South East Asian region are relatively young nations that are still in post-colonial period, and are largely involved in strengthening of their economies, and cleaning of the post-colonial problems. The increasing values of gross domestic product (GPD) per capita and a decent rise in literacy rates are a good news to win battle with disasters, however, these nations have to work really hard to eradicate corruption, and spend more on scientific research and awareness about earthquake disasters.
An Analysis of Coal Seam Lithology using The Well-logging Method for Correlation of Location X, Musi Banyuasin Coalfields, South Sumatra Lubis, Ashar Muda; Larang, Miranda Puspa; Fahmi, Khairul; Shah, Afroz Ahmad
Indonesian Journal on Geoscience Vol. 11 No. 2 (2024)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.11.2.221-229

Abstract

South Sumatra region has abundant potential coal reserves, but the lack of structural and stratigraphic data makes it not be easy to map their total extent and to understand the genesis. These limitations can be partially resolved using the borehole well-logging methods. The aim of this research was to investigate correlation of coal seam lithology using the well-logging methods in a coalfield, location X, Musi Banyuasin, South Sumatra. The several exploration activities were conducted using the well-logging method to acquire gamma-ray logs and density logs data from seven boreholes, namely PMCBS12, PMCBS13, PMCBS14, PMCBS15, PMCBS16, PMCBS17, and PMCBS19 sites. WellCAD software was used during the data processing to derive logging data (gamma-ray and density logs), and Minex software was utilized to analyze the physical parameter correlation among boreholes. Borehole data analysis was carried out by analyzing the lithology contained in the borehole, especially to analyze the characteristics of the coal seam, such as depth and thickness. The results suggest that the thickness of the existing coal seam in area X is at seam 6 from a depth of about 2.95-19.95 m, with a coal seam thickness ranging from 1.85 m in the PMCBS12 to a thickness of 3.6 m in the PMCBS19 well. Two to three - vertically spread seams were found in each borehole with a thickness of about 0.35-3.6 m at various depths. Correlation results among boreholes show that the distribution of coal seams extends from the northwest to the southeast with a distribution direction of N300˚E/6˚.
Co-Authors Ashar Muda Lubis Khairul Fahmi Khwaja, Sheeba Larang, Miranda Puspa Qadri, Talha