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Indonesian Journal of Innovation and Applied Sciences (IJIAS)
Published by CV. Literasi Indonesia
ISSN : -     EISSN : 27754162     DOI : https://doi.org/10.47540/ijias.v1i2.192
Core Subject : Economy, Science, Education, Social, Engineering,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mathematics Social Sciences
AIM Indonesian Journal of Innovation and Applied Sciences (IJIAS) is an International Journal, Peer-Reviewed, and Open Access which is devoted to disseminating the results of community service, innovation research, and research results in applied sciences. IJIAS does not accept a critical review manuscript. IJIAS also publishes articles from other countries that are relevant. SCOPE The scope of publication in the Indonesian Journal of Innovation and Applied Sciences (IJIAS) includes research articles in the field of innovation, for example: Entrepreneurship, Social Engineering, Community Development, Social Learning, Political Education, and others. Meanwhile, the field of applied science covers community service activities related to Applied Technology, Health Services, Public Services, Conservation, and others.
Arjuna Subject : Umum - Umum
Articles 162 Documents
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Mapping of soil vulnerability to earthquake using the HVSR method in microtremor measurements in Marga Agung Area, South Lampung Regency Natalia, Fransiska; Khoiriyyah, Alfi; Syafitri, Meta Nisrina; Antosia, Risky Martin
Indonesian Journal of Innovation and Applied Sciences (IJIAS) Vol. 6 No. 1 (2026): February-May
Publisher : CV. Literasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47540/ijias.v6i1.2706

Abstract

This study was conducted in Marga Agung Village, Jati Agung Subdistrict, South Lampung Regency, using the Horizontal to Vertical Spectral Ratio (HVSR) method based on microtremor data. This study aims to analyze the characteristics of the subsurface layers and determine the soil vulnerability level in Marga Agung Village, through soil vulnerability zoning mapping based on the natural frequency (f0), amplification factor (A0), seismic vulnerability index (Kg), and shear wave velocity to a depth 30 meters (Vs30), and examined the potential level of building damage as a basis for earthquake disaster mitigation efforts. The results show that f0 values range from 0.31 Hz to 27.96 Hz,  A0 values range from 1.59 to 5.10, and Kg values range from 0.15 to 53.45, dominated by low seismic vulnerability index values. Vs30 values are dominated by stiff soil (Type D) and very dense and soft rock (Type C), with a range from 191.05 to 440.85 m/s. This indicates that most of Marga Agung Village has relatively low soil vulnerability to earthquake ground shaking.
Innovative approaches to reducing workplace accidents in coal mining: Evidence from PMDN IUP companies in South Sumatra Irwan, Faisal; Yusuf, Maulana; Toha, Taufik; Ibrahim, Eddy; Komar, Syamsul; Putra, Rahmat Wahyudi
Indonesian Journal of Innovation and Applied Sciences (IJIAS) Vol. 6 No. 1 (2026): February-May
Publisher : CV. Literasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47540/ijias.v6i1.2712

Abstract

This study examines the influence of the implementation of the Mining Safety Management System (SMKP) on workplace accident rates within coal mining operations. A quantitative research design was adopted, utilizing survey data obtained from 390 employees working in mining companies operating under IUP PMDN in South Sumatra. The variables investigated consist of technical risk control, adherence to Standard Operating Procedures (SOP), safety training and emergency drills, and the utilization of Personal Protective Equipment (PPE). Data analysis was conducted using multiple linear regression to assess both the individual (partial) and combined (simultaneous) effects of the independent variables on accident rates. The findings indicate that the regression model is statistically significant, with a coefficient of determination (R²) of 0.436, suggesting that 43.6% of the variability in workplace accidents is explained by the variables included in the model. At the individual level, safety training and PPE utilization demonstrate a significant effect on accident rates, whereas technical risk control and SOP compliance do not exhibit a statistically significant influence. These results suggest that behavioral aspects have a more prominent role compared to system-related factors in mitigating workplace accidents. Accordingly, this study underscores the need to prioritize the enhancement of safety training programs, strengthen safety awareness, and ensure consistent PPE compliance as critical strategies for improving safety performance in the mining industry.

Page 17 of 17 | Total Record : 162

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