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Gadis Eka Fitri Sibarani; Desy Safitri; Sujarwo Sujarwo

RISOMA : Jurnal Riset Sosial Humaniora dan Pendidikan 2026 Asosiasi Ilmuwan Pendidikan, Sosial, dan Humaniora Indonesia

Flooding is one of the most frequent disasters in DKI Jakarta and contributes not only to physical and economic losses but also to the emergence of various psychological problems among affected communities. This study aims to analyze the psychological impacts of post-flood disasters, particularly among vulnerable groups such as children and the elderly, and to examine the effects of repeated flood exposure on mental health conditions. This study employs a literature review method with a qualitative descriptive approach through the identification and synthesis of relevant scientific sources. Data analysis was conducted using content analysis to identify patterns, relationships, and trends in research findings. The results indicate that flooding is associated with psychological disorders such as stress, anxiety, depression, and post-traumatic stress disorder (PTSD), with varying levels of severity. Repeated exposure to flooding has been shown to increase individuals’ vulnerability to mental health problems and reduce psychological well-being. However, protective factors such as social support, religiosity, emotional regulation abilities, and adaptive coping strategies play a significant role in strengthening resilience and accelerating psychological recovery. The findings highlight the importance of a holistic disaster management approach that integrates mental health services, strengthens community capacity, and enhances preparedness education to improve the psychological resilience of flood-affected communities.

Maharani Safitri; Rika Maryam; Oktaviana Br Ginting M; Vieronica Varbi Sununianti; Istiqoma Istiqoma +1 more

RISOMA : Jurnal Riset Sosial Humaniora dan Pendidikan 2026 Asosiasi Ilmuwan Pendidikan, Sosial, dan Humaniora Indonesia

Flood disasters have repeatedly affected Aceh Tamiang Regency for over fifteen years, causing significant material and socio-cultural losses. This study aims to examine the social response of the community through a literature review approach, using Jurgen Habermas's Communicative Action Theory as the analytical framework. Data were collected systematically from national journal articles, scientific proceedings, and academic reports related to flood mitigation and community social response in Aceh Tamiang. Data analysis was conducted using content analysis and thematic analysis techniques. The findings reveal that the community's response is primarily driven by local solidarity rooted in cultural values and local wisdom such as hadih maja. In Habermasian terms, this social response reflects the lifeworld domain, manifesting in voluntary collective action. However, a structural tension exists between the government's top-down system and the community's communicative rationality. Effective disaster mitigation requires the development of participatory public spaces that bridge the system and lifeworld, enabling the transformation from instrumental action to communicative action, thereby strengthening collective resilience against flood disasters.

Thersiani Bheka; Monica Innanda Chiaralazzo; Intansakti Pius X

Sabar : Jurnal Pendidikan Agama Kristen dan Katolik 2026 Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

This study aims to reflect on the theological meaning of natural disasters in Sumatra (Aceh, Simeulue, Padang) from an ecological perspective. Although Sumatra is geologically prone to earthquakes and tectonic activities due to its location on the Pacific Ring of Fire, hydrometeorological disasters such as floods and landslides are exacerbated by human actions, including deforestation, watershed degradation, and uncontrolled land conversion. This research employs a qualitative-descriptive approach using library research and a theological-reflective method. Primary sources include Sacred Scripture, Church documents (Laudato Si', Gaudium et Spes, General Directory for Catechesis), and relevant ecological theology literature. The findings indicate that natural disasters in Sumatra can be interpreted as "signs of the times" revealing both ecological and moral crises. Disasters are not divine punishment but consequences of humanity's misuse of freedom in managing creation. Ecological conversion is urgently needed at personal, social, and structural levels. Within the catechetical framework, disaster experiences become "texts of life" that guide the faithful toward mature faith expressed in lifestyle changes, solidarity, and responsibility for our common home.

Teguh Eka Prasetya; Zahra Shoibatun; Iman Nur Hidayat; Rashda Diana

Mahkamah : Jurnal Riset Ilmu Hukum 2026 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

Indonesia is a country rich in cultural diversity, one of which is Javanese culture which is full of philosophical values ​​and symbolic meanings in every practice, including in the traditional wedding procession. One of the important rituals in Javanese traditional weddings is the Panggih Manten ritual, which represents the meeting between the bride and groom with various symbols of life, hope and blessings. Along with the development of the times and the flow of modernization, people's understanding of the philosophical meaning of the ritual has shifted. Some people still carry out this tradition as a hereditary custom without understanding the values ​​contained in it, even giving rise to debates regarding its suitability with Islamic teachings. This study aims to analyze the practice of the Panggih Manten ritual in Javanese traditional wedding traditions and review its suitability with the 'Urf argument in Islamic law. The research method used is qualitative with a juridical-normative approach, while the research location was carried out in Pengkol village, Mantingan District. The results of the study show that the Panggih Manten ritual is basically acceptable in Islamic law as long as it does not conflict with the principles of sharia. Based on analysis from the perspective of al-'urf, several aspects of the Panggih Manten ritual, such as muter asem (the act of making offerings), and the belief in disasters, contain elements that are inconsistent with Islamic law and could potentially lead to idolatry, thus being categorized as al-'urf al-fāsid. Therefore, the Panggih Manten tradition can be preserved through reinterpretation of its meaning and the elimination of elements that contradict Islamic teachings, thus aligning it with Islamic principles.

Ratih Sulastri; Zamroni Abdussamad; Fitran Amrain

Kajian ilmu Hukum, Sosial dan Administrasi Negara 2026 Lembaga Pengembangan Kinerja Dosen

Collecting donations for natural disaster victims is a form of social solidarity widely practiced by the community, including students. However, in practice, these fundraising activities must be carried out in accordance with applicable legal provisions, specifically Regulation of the Minister of Social Affairs of the Republic of Indonesia Number 8 of 2021 concerning the Implementation of the Collection of Money or Goods (PUB). This study aims to analyze the implementation of Ministerial Regulation Number 8 of 2021 in the practice of collecting donations for natural disasters by students. The research method used is a normative empirical research method with a legislative and sociological approach. Data were obtained through literature review and interviews with the Social Services Agency and student organizations. The results show that the implementation of Ministerial Regulation Number 8 of 2021 in student fundraising activities has actually taken place, but is not yet fully optimal. This is evident in the continued discovery of donation collections carried out without official permits from authorized agencies and the lack of accountability reporting for collected funds. This condition indicates that the level of compliance with administrative provisions in the implementation of fundraising is still relatively low. Therefore, increased regulatory dissemination, more effective oversight, and increased legal awareness among students are needed to ensure that fundraising activities are carried out transparently, accountably, and in accordance with applicable laws.

Juwita Siregar; Muhamad Fikri; Ika Arinia Indriyany

Presidensial : Jurnal Hukum, Administrasi Negara, dan Kebijakan Publik 2026 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

Floods are one of the most frequent hydrometeorological disasters in Indonesia and cause various social, economic, and environmental impacts on communities. In disaster situations, women often face greater vulnerability than men due to limited access to resources, high domestic responsibilities, and minimal protection in disaster policies. Although the government has adopted a gender mainstreaming policy in development, its implementation in disaster management policies remains suboptimal. This study aims to analyze how flood management policies integrate gender perspectives and identify the impacts of floods on women. The study used a qualitative approach using literature study methods and media content analysis to understand the dynamics of policies and women's experiences in disaster situations. The results show that disaster management policies still tend to focus on technical and infrastructure aspects, while women's specific needs are often overlooked, particularly regarding security in refugee camps, access to reproductive health services, and increased domestic burdens during crises. This condition indicates that the integration of a gender perspective in disaster policies still faces various structural and institutional barriers. Therefore, efforts are needed to strengthen the implementation of gender-responsive policies so that disaster management does not only focus on physical mitigation, but is also able to provide fairer and more inclusive protection for all community groups.

Roby Andika Harahap; Tri Reni Novita

Kajian ilmu Hukum, Sosial dan Administrasi Negara 2026 Lembaga Pengembangan Kinerja Dosen

The flash flood disaster that hit Indonesia, including the devastating disaster in three Sumatran provinces in November-December 2025 which resulted in more than 900 casualties and trillions of rupiah in losses, shows a strong correlation between environmental damage caused by corporate activities and increased disaster risk. The purpose of this study is to analyze corporate criminal liability for environmental damage resulting in flash flood disasters based on the Environmental Management Law (UU PPLH), examine the mechanism for proving corporate criminal liability, and evaluate the application of criminal sanctions against corporations that commit environmental damage resulting in flash flood disasters. The research method used is normative legal research with a descriptive analytical statute approach. Data collection techniques are carried out through library research and interviews with sources at the North Sumatra Provincial Environmental Service. The data obtained were analyzed qualitatively. The results of the study indicate that: First, corporate criminal liability for environmental damage resulting in flash floods has been comprehensively regulated in Articles 116 to 120 of the Environmental Management and Management Law, which recognizes corporations as subjects of criminal law and regulates the criteria for corporate crimes (committed by, for, or on behalf of a business entity), the responsible party (the business entity and/or the person giving the order/leader of the activity), a one-third aggravation of the sentence, and corporate representation in court, as reinforced by Supreme Court Regulation Number 13 of 2016. The conclusion of this study is that the Environmental Management and Management Law has provided a comprehensive legal framework for corporate criminal liability for environmental damage resulting in flash floods. However, the effectiveness of law enforcement still needs to be improved through accelerating the judicial process, strengthening the capacity of law enforcement, improving inter-agency coordination, and strengthening the decision execution mechanism.

Tuti Sahara; Salbiah Salbiah; Mini Harianti

ARDHI : Jurnal Pengabdian Dalam Negri 2026 Asosiasi Riset Pendidikan Agama dan Filsafat Indonesia

Hydrometeorological disasters increase the risk of infectious diseases due to environmental changes, damaged sanitation systems, and limited access to health services. These conditions highlight the need to strengthen community-based early detection systems as part of an early warning strategy. This community service activity aims to enhance the capacity of community health volunteers in the early detection and reporting of infectious diseases through the digitalization of a simple surveillance system. The program was implemented in disaster-affected areas, involving community health volunteers as key partners. The methods included health education on post-disaster infectious diseases, technical training on the use of surveillance instruments, and assistance in implementing health surveillance forms in accordance with guidelines from the Ministry of Health of the Republic Indonesia. The results showed a significant improvement in the knowledge of participants, with ≥80% of volunteers passing the post-test evaluation. In addition, participants demonstrated improved skills in recording, identifying symptoms, and systematically reporting infectious disease cases. The digitalization of surveillance forms facilitated real-time data collection and reporting, enabling faster responses to potential outbreaks. This program contributes to strengthening community-based early warning systems and enhancing the role of community health volunteers as the frontline in post-disaster infectious disease control. The implementation of this initiative is expected to support rapid interventions by health service facilities, improve cross-sector coordination, and serve as a replicable model for strengthening community surveillance systems in other disaster-prone areas.

Agres Ade Laksamana; Sri Kamariyah; Ika Devy Pramudiana

Jurnal Hukum, Administrasi Publik, dan Ilmu Komunikasi 2026 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

This study aims to analyze the strategic management of disaster services in handling flood-affected communities in Surabaya City. This study uses a qualitative descriptive approach with an analytical framework of strategic management theory according to Wheelen and Hunger (2008), which includes four main stages: environmental observation, strategy formulation, strategy implementation, and evaluation and control. Data were obtained through documentation studies, field observations, and secondary data searches from official reports from the Regional Disaster Management Agency (BPBD), the Central Statistics Agency (BPS), and relevant online sources. The results show that the BPBD of East Java Province has implemented a systematic strategic management cycle in disaster services. During the environmental observation stage, the BPBD was able to identify the main threat in the form of the dominance of hydrometeorological disasters, particularly floods. During the strategy formulation stage, the BPBD established a mission, objectives, and strategic policies focused on disaster risk reduction, increasing community preparedness, and strengthening cross-sectoral coordination. Strategy implementation is realized through mitigation, preparedness, and emergency response programs, as well as the utilization of early warning systems and command centers. Meanwhile, evaluation and control are carried out continuously through monitoring disaster events and adjusting policies based on actual conditions in the field. The flood-affected community management strategy demonstrates a responsive and collaborative approach, despite still facing structural challenges such as tidal flooding and limited drainage infrastructure. This study concludes that implementing strategic management based on the theory of Wheelen and Hunger (2008) can improve the effectiveness of disaster services, but requires strengthening long-term mitigation and community empowerment.

Arif Imaduddin; Syarifah Putri; Istikoma Istikoma

Merkurius : Jurnal Riset Sistem Informasi dan Teknik Informatika 2026 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Flooding is one of the natural disasters that frequently occurs in Singkawang City and has a significant impact on infrastructure, economic activities, and the social life of the community. High rainfall, relatively flat topography, suboptimal drainage systems, and changes in land coverare the main factors causing an increased risk of flooding in this region. 

Deasy Widyasatomo; Wika Matana

Jurnal Pengabdian kepada Masyarakat 2026 Pusat Riset dan Inovasi Nasional

The traditional homes of indigenous communities in Indonesia are highly vulnerable to natural disasters, particularly earthquakes, due to Indonesia's location in the Pacific Ring of Fire, which experiences high seismic activity. This situation demands the strengthening of traditional buildings to withstand potential earthquakes. Stilt houses, as a form of traditional architecture, possess characteristics that actually support earthquake resilience, such as flexible structures, the use of lightweight materials, and the application of local wisdom passed down through generations. With the development of modern construction techniques, stilt houses have the potential to become safer and more adaptable dwellings to earthquake shocks. However, indigenous communities, particularly those living in earthquake-prone areas and with lower levels of education, often face limited knowledge and skills related to the basic principles of earthquake-resistant construction. This lack of understanding results in traditional house construction without considering structural safety aspects, ultimately increasing the risk of serious damage and even collapse during an earthquake. These impacts not only threaten life but also cause significant material losses. This community service activity aims to improve the preparedness and resilience of the Sentani Indigenous community by developing earthquake-resistant stilt house models, increasing knowledge and skills in earthquake-safe house construction and maintenance, and encouraging the use of innovative technology and materials. The expected outcomes are the creation of model houses that can serve as examples and the dissemination of information on earthquake-resistant construction technology.

Riskita Riskita; Muhammad Abdur rohim; Ni’matur Rohmah; Nur Faizah; Muslehatul Fa’izeh +1 more

Presidensial : Jurnal Hukum, Administrasi Negara, dan Kebijakan Publik 2025 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

This article explores legal accountability for flood disasters occurring in several regions of Sumatra, which are widely alleged to result from large-scale logging activities. The analysis is conducted within the framework of the Indonesian legal system, with particular emphasis on contract law. This study adopts a literature-based research method by examining statutory provisions, legal doctrines, and relevant scholarly publications. The analysis demonstrates that flood events should not be understood solely as natural occurrences, but rather as ecological consequences arising from the failure to fulfill contractual obligations embedded in forest utilization permits. From a contract law perspective, forestry concessions establish binding legal relationships that impose environmental protection duties on permit holders in accordance with the principle of pacta sunt servanda. Logging activities that exceed authorized limits may therefore be classified as contractual default (wanprestasi) and, at the same time, constitute unlawful acts that cause harm to the state and affected communities. Accordingly, this study underscores the necessity of strengthening environmental protection clauses within concession agreements and applying strict liability principles to enhance legal responsibility and prevent recurring environmental harm.

Subhan, Ahmad; Bambang Agus Herlambang; Ahmad Khoirul Anam

Router : Jurnal Teknik Informatika dan Terapan 2025 Asosiasi Profesi Telekomunikasi dan Informatika Indonesia

Flooding is one of the most recurrent natural disasters in Central Java Province, particularly during the rainy season. Diverse geographical characteristics, high rainfall intensity, and rapid urban development contribute to the region’s high vulnerability to flood hazards. According to the Central Java Statistics Agency, a total of 414 flood events and 407,784 affected victims were recorded between 2019 and 2021. This study aims to develop a web-based Geographic Information System (GIS) capable of mapping the spatial distribution and impact levels of floods across Central Java. The methodology includes collecting flood event data from the Central Java Statistics Agency, processing spatial data such as administrative boundary shapefiles, performing attribute integration between spatial and non-spatial datasets, and creating thematic maps using QGIS. The visualization outputs were exported into an interactive web format using the qgis2web plugin and subsequently integrated into a website developed with HTML, CSS, and JavaScript. The results show that the GIS system successfully visualizes flood-prone areas, identifies regions with high flood intensity, and enables users to explore detailed information through interactive digital maps. Additional website features—such as historical flood data, statistical summaries, and descriptive impact indicators—enhance the system's usefulness for disaster analysis. This study demonstrates the crucial role of GIS in supporting disaster mitigation, spatial planning, and policy evaluation related to flood management. Future research is recommended to incorporate more recent datasets and additional non-spatial variables such as rainfall intensity and floodwater depth to improve the system’s analytical accuracy and comprehensiveness.

Yuniar Affandy; Muhammad Atha’ Iqbal; Masbullah Masbullah; Moh. Juhad

Kajian Administrasi Publik dan ilmu Komunikasi 2025 Asosiasi Peneliti Dan Pengajar Ilmu Sosial Indonesia

Human resource development is the process of preparing individuals to take on higher or different responsibilities within an organization, including enhancing intellectual abilities to support efficient task performance. This study aims to determine the extent to which human resource development contributes to improved employee performance at the East Lombok Regency Health Office. The qualitative, descriptive approach involved eight informants, consisting of officials familiar with the implementation of human resource development and staff who had participated in the program. The results indicate that education and training conducted by the East Lombok Regency Health Office have supported improved employee performance, as evidenced by more structured task implementation, public health monitoring surveys, and a decrease in maternal and infant mortality rates. However, in terms of human resource management, there are still shortcomings, with an average of 28 health workers per health facility, both civil servants and non-civil servants, reflecting an imbalance in workforce needs. Furthermore, the implementation of human resource development is supported by leadership commitment, inter-agency collaboration, and budget support from the provincial and central governments. However, it is hampered by limited qualified personnel, frequent policy changes, and the impact of natural disasters.

Irwanto Irwanto

ARDHI : Jurnal Pengabdian Dalam Negri 2025 Asosiasi Riset Pendidikan Agama dan Filsafat Indonesia

Indonesia is highly susceptible to natural disasters owing to its geographical location at the intersection of three major tectonic plates. Effective disaster mitigation requires active community participation through education and tangible environmental conservation measures. This community engagement initiative aimed to strengthen community capacity for disaster mitigation and environmental preservation through cross-sectoral collaboration involving the Regional Disaster Management Agency (BPBD), the Faculty of Agriculture at Pattimura University, and the Sagu Salempeng GPM Foundation. Implementation methods comprised disaster mitigation education, extension services on conservation plant cultivation, memorandum of understanding (MoU) signing, and seedling distribution to 12 representatives from 6 villages in Ambon City, Maluku region. Outcomes revealed enhanced community comprehension of disaster mitigation concepts and strengthened commitment toward planting productive species for environmental conservation purposes. This initiative contributes to community resilience development and reinforces Indonesia's Disaster Resilient Village program.

Asfida Rahma; Umi Akromah

Ikhlas : Jurnal Ilmiah Pendidikan Islam 2025 Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

Wildfires in Los Angeles are a phenomenon that can be analyzed from two main perspectives: science and religion. From a scientific standpoint, these fires are triggered by a combination of natural factors, such as the Santa Ana winds that bring hot and dry air, and climate change, which extends drought periods and increases temperatures. However, human activities, including environmental exploitation, deforestation, and inadequate fire mitigation efforts, have exacerbated the situation. From an Islamic perspective, natural disasters can be seen as tests, warnings, or consequences of human negligence in maintaining environmental balance, as mentioned in the Qur'an (Surah Ar-Rum: 41). This study highlights that wildfires are not merely natural occurrences but also have spiritual dimensions. Islam emphasizes that humans are entrusted as stewards of the earth, responsible for preserving nature rather than passively accepting disasters. Therefore, the best approach to addressing wildfires is to integrate scientific understanding with religious values. Proposed solutions include science-based prevention efforts, such as sustainable forest management and fire mitigation policies, as well as spiritual awareness to appreciate and safeguard nature as a divine trust. By understanding the relationship between science and religion, humanity can take greater responsibility in disaster response and establish a more balanced and sustainable way of life.

Andi Prasetiyo

Jurnal Hukum, Administrasi Publik, dan Ilmu Komunikasi 2025 Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

The Info BMKG application is a digital platform developed by the Meteorology, Climatology, and Geophysics Agency (BMKG) to provide information on weather, earthquakes, air quality, and early disaster warnings. This application is expected to enhance public preparedness in facing potential natural disasters. However, in its implementation, the Info BMKG application still encounters several issues, one of which is delays in delivering weather and disaster information. This study aims to analyze the effectiveness of the Info BMKG application in providing weather and disaster information. The research applies Budiani's (2007) theory, using four indicators: Program Target Accuracy, Program Socialization, Program Objectives, and Program Monitoring. This study employs a qualitative descriptive method with data collection through interviews, observations, and documentation. The findings indicate that the Info BMKG application has made a significant contribution to supporting public preparedness for disasters. While the application is relatively effective in providing weather and disaster information in North Jakarta, further development is still needed. Improvements in information accuracy, notification speed, and enhanced public socialization will help improve the quality of the application’s services in the future.

Husain Husain; Johnson Siallagan; Janviter Manalu; Auldry F. Walukow; Basa T. Rumahorbo

Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil 2025 Asosiasi Riset Ilmu Teknik Indonesia

Nabire Regency, located in Central Papua Province, is among the regions highly vulnerable to flooding due to persistent and intense rainfall throughout the year. Flood disasters generate multifaceted impacts, including economic losses caused by property damage and business disruptions, social issues such as health problems and psychological distress, and environmental degradation in the form of erosion and water pollution. This study aims to formulate mitigation and adaptation strategies for flood disasters by analyzing community perceptions and evaluating existing measures. The research employs the Likert Scale method to assess public perception and the Analytic Hierarchy Process (AHP) approach to determine the most effective strategies for mitigation and adaptation. The findings reveal that the community possesses a solid understanding of flood events and acknowledges the necessity of implementing mitigation and adaptation efforts. The AHP analysis indicates that the Regional Disaster Management Agency (BPBD) plays a crucial role in executing flood management strategies, particularly within the environmental management domain. The primary recommended strategy is environmental planning and management. Through an integrated and sustainable approach, flood risks are expected to be mitigated more effectively, minimizing adverse impacts on both the community and the environment in Nabire Regency.

Denis Pangulili; Asda Rauf; Yanti Saleh

Botani : Publikasi Ilmu Tanaman dan Agribisnis 2025 Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

This research analyzes land cover changes in the Langge Sub-watershed, Tapa District, Bone Bolango Regency, over five years from 2019 to 2023. Population growth and increasing land needs are driving significant land use changes. The method used in this study is a quantitative approach with spatial analysis using Sentinel-2 satellite imagery. The analysis results show significant changes in land cover, with water body areas decreasing from 28.50 ha to 21.69 ha, settlements dropping from 55.45 ha to 52.02 ha, and secondary forests experiencing a drastic decline from 462.83 ha to 319.13 ha. Meanwhile, dryland areas increased from 172.24 ha to 227.17 ha, and shrubland experienced a significant increase from 121.07 ha to 247.91 ha. The decline in secondary forest cover is a significant concern because it negatively impacts environmental quality and potentially increases the risk of disasters such as floods and erosion. This research underscores the importance of sustainable management for maintaining ecosystem function and minimizing the negative impacts of land cover change.

Ikhsan Afif Asrory; Muhammad Shifa; Moch Ali Imron Sya’roni; Budi Pramono Jati

Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika 2025 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Floods are the most frequent natural disasters and cause material and non-material losses. One of the problems faced is the lack of early warning when floods occur. This problem can be overcome with a flood early warning system. This paper discusses the solution to this problem, namely by designing and implementing a real-time flood early warning system using IoT-based Internet of Things (IoT) technology ESP32 MQTT and APK Kodular. The objective of this research, compared to previous studies, shows a gap in the methods used. While previous studies used an IoT-based flood warning system that sends data via SMS or an HTTP server, this study applies real-time monitoring with the MQTT protocol, which allows sending water level data with low latency to the Kodular application for faster and more responsive warnings. The method used is to connect hardware with IoT where ESP32 is a client that sends data to MQTT and will display it in the Kodular APK. This flood early warning system consists of: ultrasonic sensors, ESP32, MQTT cloud, OLED, buzzer, LED, and APK on the phone to receive notifications through a mobile application created using Kodular. This IoT-based system is installed in the Kudu Regency river and can monitor water levels in real-time. Based on a predetermined threshold, the system can activate the LED indicator or buzzer and send an early warning message to the user via the APK on the phone. Test results show that this system functions effectively in providing flood warnings with an accuracy of 1-2 cm and in a timely manner, making it suitable for community-based flood monitoring solutions