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Vulkanostratigrafi dan Implikasi Terhadap Tanah Longsor Daerah Serang dan Sekitarnya, Kecamatan Salawu, Kabupaten Tasikmalaya, Provinsi Jawa Barat Rizqi, Al Hussein Flowers; Aprilia, Adinda; Tedja Trisnaning, Paramitha
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The research area is administratively located in the Serang area and its surroundings, Salawu District, Tasikmalaya Regency, West Java Province. Geographically, the research area is at coordinates 7°20'24" - 7°24'53" South Latitude and 108°1'19" - 108°4'37" East Longitude. Physiographically, it is included in the Bandung Zone. This research aims to provide an overview of geological conditions such as geomorphological aspects, lithological distribution, stratigraphy, geological structure, geological history and environmental geology in the research area. The research method used is literature study and surface geological mapping using the concept of volcanostratigraphy to obtain primary data using a landsat image analysis and petrographic analysis approach. Based on this research, it is known that the geomorphological units that make up the research area include the Cikuray structural denudational unit (D1), the Cikuray lava flow ridge geomorphological unit, the Karacak lava flow ridge geomorphological unit and the Galunggung lava flow unit. Stratigraphically, the research area is composed of six rock units from old to young, namely the Karcak lava breccia unit, the Karacak tuff unit, the Cikuray pyroclastic breccia unit, the Cikuray tuff unit, the Galunggung lava breccia unit and the Cikuray lava deposit unit. Natural disasters in the research area are landslides of the surge type in Sukarasa Village and rotational landslides in Serang Village.
An Upaya Peningkatan Kesadaran Masyarakat terhadap Risiko Tanahlongsor melalui Pengenalan Gejala dan Langkah Pencegahan di Kalurahan Sidoharjo, Samigaluh Tedja Trisnaning, Paramitha; Ani Apriani
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Pengabdian Kepada Masyarakat)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The landslide hazard in Sidoharjo Village is included in the high class with a moderate to high level of vulnerability. This is due to the low capacity of the community in dealing with landslide disasters. A number of local communities lack of understanding of their homes located in landslide-prone areas. In order to minimize the potential risk, landslide early warning system have been installed in a number of places However, it does not cover all landslide-prone areas in Sidoharjo Village. Therefore, this community service aims to increase the effectiveness of mitigation in Sidoharjo Village. Community service is carried out through presentation of material that includes a general explanation of the landlslide symptoms by providing examples and pictures related to symptoms of landslides and landslides prevention activities. Community service were carried out quite effectively, as shown by the enthusiasm of the participants during the delivery of the material which was followed by a discussion. There was an increase in understanding of landslide symptoms and landslide prevention efforts among the Sidoharjo Village government apparatus, as indicated by a sig value <0.05 at a 95% confidence level.