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Calamity: A Journal of Disaster Technology and Engineering
Published by Institute for Advanced Science, Social, and Sustainable Future
ISSN : -     EISSN : 30254140     DOI : -
Core Subject : Science, Engineering,
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering
Calamity: A Journal of Disaster Technology and Engineering focuses on unique research on all facets of natural hazards, such as the prediction of catastrophic events, risk management, and the nature of natural and manmade hazard precursors. The effects on the environment are equally disastrous even if risks might come from a variety of sources and systems, including atmospheric, hydrologic, oceanographic, volcanologic, seismic, and neotectonic. This calls for tight collaboration between many scientific and operational disciplines in order to improve risk reduction. Risk assessment is included in the coverage of hazards in the atmospheric, climatological, oceanographic, storm surge, tsunami, flood, snow, avalanche, landslide, erosion, volcanic, man-made, and technology categories.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 38 Documents
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Probability analysis of occupational accidents in housing construction projects using the hazop method: A risk-based approach to safety performance improvement Shafiudin, Muhammad; Prayoga, Celvin Setya; Firmanda, Richo Alivyan; Juliawan, Ferdika Rahmad; Septian, Robertus Yunico
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 1: (July) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i1.2025.2066

Abstract

Background: In construction work, occupational accidents remain one of the most critical issues in the construction industry, particularly in housing development projects that involve various high-risk activities. An occupational accident is an undesired and unexpected event that occurs in the workplace, resulting in worker injuries, equipment damage, workflow disruption, or even fatalities. Methods: This study aims to analyze the probability of work accidents using the Hazard and Operability Study (HAZOP) approach to identify potential hazards and operational failures in each stage of construction work at the XYZ housing project. The method is applied to systematically review various risk scenarios based on field observations, interviews, and available safety documentation. Findings: The HAZOP analysis successfully identified six critical hazards in the XYZ housing development project, including material-related accidents, falls from heights, heavy material intrusion, and respiratory disorders from dust, primarily caused by worker negligence, lack of proper procedures, and inadequate use of PPE. Conclusion: The implementation of integrated preventive measures such as the provision of complete PPE, structured SOP development, continuous training, and strict supervision has proven to be an effective strategy in mitigating occupational accident risks in construction environments. Novelty/Originality of this article: This study presents a systematic HAZOP-based approach combined with the 5S methodology and enhanced SOP enforcement as a practical and replicable model for risk evaluation in residential construction projects.
Community preparedness for flood disasters: The role of knowledge and attitudinal factors in disaster-prone areas Yahya, Ardiansyah Saifudin; Syahputra, Dicky Arya
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 1: (July) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i1.2025.2067

Abstract

Background: This research was conducted in Lebakharjo Village, Malang Regency. Malang Regency is prone to flooding due to high rainfall, with Lebakharjo Village being one of the affected areas. In July 2023, the village experienced another flood, damaging 119 houses and cutting off access to the village, leaving the village isolated. The purpose of this study was to assess the level of community preparedness in Lebakharjo Village for flood disasters. Methods: This study used a quantitative descriptive method with multiple correlation tests and multiple linear regression. Data collection was carried out by distributing questionnaires to respondents selected from flood-prone areas in Lebakharjo Village door to door. Findings: Data tabulation showed that 66 people, or 67.35%, were in the medium preparedness category, while 32 people, or 32.65%, were in the high preparedness category. This indicates the need for disaster preparedness training or evacuation simulations to improve community preparedness for floods. Knowledge and attitude significantly influence community preparedness in Lebakharjo Village for floods. The combined effect of Knowledge (X1) and Attitude (X2) variables on Community Preparedness (Y) is 28.5%, while the remaining 71.5% is influenced by other variables not covered in this study. Conclusion: This study highlights that increasing knowledge and attitudes through targeted interventions can improve flood preparedness in the Lebakharjo Village community. Novelty/Originality of this article: This study uniquely quantifies the impact of knowledge and attitudes on flood preparedness in the village, highlighting the need for targeted community training to improve preparedness.
Systemic risk of tender failures in government projects: An FMEA-based analysis of price deviation impacts on infrastructure preparedness Mirnayani; Tyasa, Elvando Genta
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 1: (July) 2025
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i1.2025.2105

Abstract

Background: Infrastructure preparedness during disasters depends greatly on the successful and timely execution of government construction projects, particularly multi-story buildings that function as critical public facilities. However, in practice, many of these projects experience tender failures due to significant price deviations from the Owner’s Estimate (HPS), either through underpricing or overpricing. These failures often result in delays or cancellations, disrupting the availability of essential infrastructure in emergency scenarios. Methods: This study applies the Failure Mode and Effect Analysis (FMEA) method to systematically identify, assess, and prioritize the underlying causes of tender failure in a government-funded multi-story building project. Data collection involved document analysis, expert validation, and structured questionnaires focusing on three key parameters: severity, occurrence, and detection of each failure mode. Findings: The results reveal two major categories of failure factors: issues related to documentation and problems in cost estimation. Documentation issues include unclear specifications and lack of expert personnel due to limited preparation time, while cost estimation problems involve insufficient market analysis, unrealistic pricing, and scheduling errors. The highest Risk Priority Numbers (RPNs) were found in the indicators “failure in offering strategy” (RPN = 22.944), “failure in prequalification” (RPN = 22.874), and “lack of expert personnel due to limited time availability” (RPN = 22.032), all of which are considered critical and indicative of systemic vulnerability in the tendering process. These critical failures highlight the potential risk they pose to infrastructure readiness, especially in disaster-prone contexts. Conclusion: Tender failures caused by price deviation pose a systemic risk to infrastructure preparedness. Reforming public procurement systems with improved risk identification and mitigation strategies—especially in document and cost estimation processes—is essential for supporting disaster-resilient infrastructure development. Novelty/Originality of this article: This study is one of the first to link FMEA-based tender risk assessment with disaster preparedness outcomes, offering a novel contribution to both construction management and resilience planning.
Spatial study of environmental vulnerability to earthquakes based on vegetation conditions Yudhistira, Dionysius Otniel Santya
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 2: (January) 2026
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i2.2026.2559

Abstract

Background: Earthquakes are among the most destructive natural hazards, causing not only structural damage and loss of life but also long-term environmental degradation and vegetation decline. The ecological dimension of seismic vulnerability has often been overlooked in spatial studies, particularly in tropical regions. This research aims to assess environmental vulnerability to earthquakes based on vegetation conditions along the Opak Fault in the Special Region of Yogyakarta, Indonesia. Methods: The study employs a quantitative–spatial approach using Geographic Information Systems (GIS) to analyze vegetation coverage within three buffer zones at radii of 2 km, 5 km, and 10 km from the active fault line. Secondary data from the Geospatial Information Agency (BIG) and PVMBG were processed to calculate the Environmental Vulnerability Index (EVI) using the ratio of vegetated area to total buffer area, expressed as a percentage. Findings: Results indicate that vulnerability decreases with distance from the fault: 49% (high) for 0–2 km, 45% (high) for 2–5 km, and 40% (moderate) for 5–10 km. The innermost zones, dominated by irrigated rice fields on saturated alluvial soils, exhibit the highest susceptibility to liquefaction and ground shaking. In contrast, areas with greater forest cover show higher ecological resilience. Conclusion: The findings underscore the need to integrate vegetation-based management and Ecosystem-Based Disaster Risk Reduction (Eco-DRR) strategies into local spatial planning to strengthen environmental resilience in seismically active regions. Novelty/Originality of this article: This study uniquely combines GIS-based spatial analysis with vegetation data to assess earthquake vulnerability, highlighting ecological factors often overlooked in seismic risk assessments and informing ecosystem-based disaster risk reduction strategies.
Integration of geotechnical parameters and infrastructure preparedness policy in disaster mitigation in earthquake-prone areas Sabilla, Arissa
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 2: (January) 2026
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i2.2026.2743

Abstract

Background: This study investigates the geotechnical characteristics and seismic response of soils in the Quarry Barbate–Paya Kameng area, Blang Bintang District, Aceh Besar, which lies near the active Seulimum Fault. The research aims to analyze soil behavior under seismic influences through laboratory testing and theoretical calculations. Laboratory tests included determining water content, specific gravity, grain size distribution, and Atterberg limits to classify soil types and evaluate their physical properties. The study also analyzed earthquake acceleration and uplift forces to assess the dynamic response of the soil. Methods: Soil samples were collected from a depth of 10 meters and analyzed for moisture content, specific gravity, particle size distribution, and Atterberg limits to determine their geotechnical properties. Earthquake-induced ground acceleration and uplift forces were then calculated to assess soil behavior under seismic loading. All tests followed standard ASTM procedures to ensure reliable and comparable results. Findings: Results showed that the soil has an average specific gravity of 2.619 and a plasticity index of 38.42%, indicating a highly plastic clay (CH) with low shear strength and high swelling potential. The maximum ground acceleration reached 0.00236 g, while uplift force increased from 0.82 kg to 7.47 kg over 96 hours, suggesting rising pore-water pressure that can reduce effective stress and stability. Conclusion: The findings emphasize the importance of integrating geotechnical results into spatial planning and disaster mitigation policies. This study provides novel insights into linking soil mechanics and seismic risk assessment for infrastructure resilience in earthquake-prone zones. Novelty/Originality of this article: This study provides novel insights by integrating laboratory-based geotechnical analysis with seismic response modeling to evaluate soil behavior near an active fault, offering practical guidance for infrastructure resilience and disaster mitigation in earthquake-prone areas.
An integrated framework of community resilience to earthquakes: Implications for disaster risk reduction and recovery engineering Pandu, Abraham Louis; Asril, Al Fitrah; Darmawan, Mohammad Akbar Ogy
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 2: (January) 2026
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i2.2026.3082

Abstract

Background: Indonesia is prone to earthquakes because it is located at the meeting point of tectonic plates, resulting in many coastal areas having a high risk of disaster. Earthquakes not only cause physical damage but also have a long-term impact on the psychological and social conditions of the community. Therefore, community resilience is an important factor in reducing disaster risk and supporting the post-disaster recovery process. This study aims to examine the concept of community resilience in facing earthquakes and the factors that influence it. Methods: This scientific paper uses a literature review method by examining accredited scientific journals, disaster textbooks, official agency reports, and relevant laws and regulations. Findings: The results of the study show that community resilience to earthquakes is shaped by the integration of social, economic, physical and infrastructure aspects, human resources, and the environment. Social aspects and social capital play an important role in accelerating post-disaster response and recovery, while economic capacity and infrastructure quality determine the community's ability to absorb the impact of disasters. These findings are in line with resilience theory, which emphasizes adaptive capacity and collective engagement as key factors in community resilience. Conclusion: Community resilience to earthquakes is built through the integration of social, economic, physical, human resource, and environmental aspects that reinforce each other. Strengthening the adaptive capacity of communities in an integrated manner is key to reducing the impact of disasters and supporting post-disaster recovery and sustainability. Novelty/Originality of this article: The novelty of this research lies in its comprehensive conceptual synthesis of community resilience to earthquake disasters by integrating social, economic, physical, human resource, and ecological perspectives into a single framework of discussion.
Exploring community resilience: A qualitative study on earthquake preparedness and response in vulnerable regions (Kathmandu) Gwachha, Jeevan
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 2: (January) 2026
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i2.2026.2423

Abstract

Background: The way communities handle disasters directly influences earthquake impact reduction most significantly within regions that are easily damaged like Nepal. This research analyzes the subjective elements of preparedness and risk recognition and response approaches among Kathmandu-based communities. Methods: The research used questionnaire surveys to gather information from individuals representing different family sizes, methods of income and age brackets. The study analyzed several driving elements for preparedness that combine information accessibility with neighborhood safety evaluations and citizen involvement and institutional backing. Findings: The data indicates that homeowners showed mixed assessments regarding their house structural readiness for major earthquakes since 46.9% said their homes were strong enough while 50% remained unsure about it. The majority (75.8%) of the population used social media for earthquake information yet fewer than one-third (33.3%) were satisfied with training and nearly nine-tenths (87.9%) had not received preparedness materials. Studies found that an unsatisfactory pace of recovery occurred after disasters because 33.3% of communities needed help months later and 33.3% received no assistance. Community engagement together with traditional knowledge showed promise as potential resilience-builders yet formal disaster planning systems demonstrate minimal integration of these approaches. Conclusion: Research suggests the augmentation of educational campaigns about disasters should be paired with better warning alerts together with financial help for building improvements and more organized institutional cooperation. The establishment of comprehensive measures to bridge these areas will help Nepal construct resilient communities. Novelty/originality of this article: The research adds important knowledge to earthquake risk reduction science along with community resilience approaches that benefits policymakers through their work with disaster management agencies.
A multi-hazard approach to disaster-resilient and sustainable infrastructure development Fedhora, Clairine; Novitasari, Oktaviani; Alfani, Visky; Fauzia, Eka; Masruroh, Alidyatul
Calamity: A Journal of Disaster Technology and Engineering Vol. 3 No. 2: (January) 2026
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/calamity.v3i2.2026.3290

Abstract

Background: Indonesia is highly vulnerable to natural disasters, making the development of disaster-resilient and sustainable infrastructure a strategic necessity for disaster risk reduction and long-term development. This study aims to examine the concepts, principles, and challenges of developing resilient and sustainable disaster infrastructure based on recent literature. Methods: The research employs a qualitative descriptive approach through a literature review of scientific journal articles, policy reports, and publications from national and international institutions. Finding: The findings indicate that infrastructure resilience is not solely determined by physical strength but also by the integration of disaster risk analysis, sustainability-oriented planning, and adaptive governance and innovation. Multi-hazard risk-based approaches and the use of digital technologies play a significant role in enhancing the effectiveness of disaster infrastructure development. However, major challenges remain in terms of institutional capacity and coordination among stakeholders. Conclusion: This study concludes that the development of resilient and sustainable disaster infrastructure requires an integrated approach that combines technical, policy, social, and environmental aspects to support inclusive and sustainable development. Novelty/Originality of this article: This article contributes originality by synthesizing recent literature to frame disaster-resilient and sustainable infrastructure as an integrated multi-hazard system that combines engineering resilience, digital technologies, and adaptive governance, offering a comprehensive perspective aligned with contemporary disaster technology and engineering challenges.

Page 4 of 4 | Total Record : 38

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