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All Journal UNM Geographic Journal Jambura Geoscience Review Journal of Community Services on Multidisciplinary Sciences
Hidayansya, Taufik
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Tsunami Modeling Study in Geological Disaster Mitigation in the Kwandang Region Mooduto, Tirsya Aygina Jaenet; Ahmad, Fadhil Abdillah; Kodung, Mohamad Ashar Fitrayadi Ramdan S.; Sari, Ni Luh Ananda Pusvita; Hidayansya, Taufik; Permana, Aang Panji
Jambura Geoscience Review Vol 6, No 1 (2024): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jgeosrev.v6i1.22561

Abstract

The northern coast of the northern arm of Sulawesi is the meeting place of 3 plates that collided with each other during the Neogene period. This condition makes the northern part of Gorontalo, especially Kwandang sub-district, very prone to earthquakes with magnitudes above 6 on the Richter scale (SR), which is one of the triggers for tsunamis. In the period from 1990 - 2008, there were 4 major earthquakes recorded in Gorontalo, namely 1990 (7.3 SR), 1991 (7.1 SR), 1997 (7.0 SR) and 2008 (7.7 SR). Therefore, further research is needed on the return period of the earthquake and the tsunami model that occurs and the sign of tsunami occurrence in the past. This research aims to determine the return period of the earthquake that caused the tsunami and the tsunami model as well as the sedimentology analysis of paleotsunami deposits. The calculation of the earthquake return period uses the Guttenberg-Richter method. Modeling calculations were carried out using the COMCOT numerical model. This model performs calculations by solving shallow water equations in the form of both linear and non-linear equations. Paleotsunami deposits were analyzed using the sedimentology method. The results of the calculation at a magnitude of 6.0 SR show that within 100 years, the study area has a chance of a potentially destructive earthquake of 1.14024978. The results of modeling the tsunami-prone zone, obtained an area of 165.598389 ha. And obtained paleotsunami deposits containing foraminifera with a sediment thickness of 14 cm.
STUDI GEOLOGI DAERAH TIHENGO DAN SEKITARNYA KECAMATAN PONELO KEPULAUAN KABUPATEN GORONTALO UTARA Hidayansya, Taufik; Arifin, Yayu Indriati; Akase, Noviar
UNM Geographic Journal Volume 7 Nomor 1 Maret 2024
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ugj.v7i1.65593

Abstract

The research titled Geology of the Tihengo Area and Surroundings, Ponelo Kepulauan District, North Gorontalo Regency was conducted with the aim of understanding the geomorphological, stratigraphic, and geological structural conditions of the area using geological survey or mapping methods. Based on the research findings, the Tihengo area and its surroundings are located at an elevation of 0-125 meters above sea level, featuring varied morphology ranging from lowlands to steep hills. The region is predominantly comprised of residential, agricultural, and plantation lands, with vegetation generally classified as sparse to moderate. The relief in this area includes plains to steep hills with "V"-shaped valleys, formed due to the influence of both endogenous and exogenous geomorphological processes, including tectonic activity, magmatism, as well as ongoing erosion and sedimentation. Slope analysis shows a range of slopes from flat to very steep, with varying percentages of land area. The geomorphology of this area is divided into three main units: volcanic hill unit, denudational hill unit, and coastal plain unit. The stratigraphy of the research area consists of a sequence of andesite rocks, conglomerates, sandstones (coarse, medium, and fine), as well as coastal alluvial deposits. The geological structure is identified based on lineaments observed on DEMNAS imagery, with a general northeast-southwest orientation
UPAYA PEMBERDAYAAN MASYARAKAT DALAM PENGEMBANGAN POTENSI GEOLOGI DESA BOTUBARANI, KABUPATEN BONE BOLANGO Permana, Aang Panji; Aris, Ayub Pratama; Ninsafitri; Masruroh; Pambudi, Moch Rio; Hidayansya, Taufik
Journal of Community Services on Multidisciplinary Sciences Vol. 1 No. 2 (2023): Journal of Community Services on Multidisciplinary Sciences
Publisher : Ahsan Mafaza Indonesia

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Abstract

Botubarani Village has great potential for geosite development in the Tomini Bay area, through community empowerment efforts, it is hoped that the Botubarani Village community can become an active part in the geosite development process in the Tomini Bay area. The method of implementing KKN MBKM to build villages starts from technical briefing to work program action. Students focus on field observations and interviews, in addition there are mandatory programs and community empowerment programs. The results of the mapping activities carried out produce an output in the form of maps. The results of the community empowerment program are carried out by fixing all damaged geosite infrastructure, as well as socializing to the community about tourism management. This activity involves personnel from the Botubarani Village community who have been actively involved in various stages of geosite development, from potential identification, planning, to promotion. Their participation proves that community empowerment is the main key to success in sustainable geosite development. Hopefully, it can create a broad positive impact on the community, the environment, and sustainable development in general.
Co-Authors Ahmad, Fadhil Abdillah Aris, Ayub Pratama Kodung, Mohamad Ashar Fitrayadi Ramdan S. Masruroh Mooduto, Tirsya Aygina Jaenet Ninsafitri Noviar Akase Pambudi, Moch Rio Permana, Aang Panji Sari, Ni Luh Ananda Pusvita Yayu Indriati Arifin