Geological structure influence on landslide occurences: Tembalang and Banyumanik sub-districts, Semarang City

Hidayatillah, Ahmad Syauqi; Najib, Najib; Trisnawati, Devina; Nugroho, Udhi Catur; Hidayat, Rheza Farhan; Febyani, Fitria; Widodo, Brenanto Tsaqofa; Yogiswara, Garindra; Ilma, Afiq

doi:10.1063/5.0061436

Cited by 2 publications

(5 citation statements)

References 13 publications

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“…The joint structure is a discontinuous plane in the rock that becomes the path for the initial geomorphic process to work. Furthermore, previous research has also proven that there is a link between the existence of structures and landslides [12].…”

Section: Relation Between Lithology and Landslidementioning

confidence: 94%

“…The rock formation is estimated to be traversed by a normal fault trending west-east. Several studies have stated that there is a relation between landslides and the presence of geological structures [4] [12][20][21] [22]. The presence of geological structures in the study area has effects on the landslides occurrence [12].…”

Section: Study Areamentioning

confidence: 99%

“…Several studies have stated that there is a relation between landslides and the presence of geological structures [4] [12][20][21] [22]. The presence of geological structures in the study area has effects on the landslides occurrence [12]. From the SPOT image (Figure 2), the land use of the location is dominated by settlements.…”

Section: Study Areamentioning

confidence: 99%

“…Of the five lithologies, landslides occurred only in 3 types of lithology : claystone, sandstone, and volcanic Breccia. Claystone is the oldest lithology at the study site, it's part of the Kerek Formation [12]. There are 6 points of landslide occurrence in the claystone from 10 events after inventoried, at the point of occurrence 1, 2, 3, 8, 9, and 11.…”

Section: Relation Between Lithology and Landslidementioning

confidence: 99%

“…Several studies on landslides in Semarang City with various topics have been carried out. Among them were carried out in the period between 2017 to 2021 by Hani'ah et al [2], Yulianto et al [3] [4], Supriyadi et al [5], Tjahjono et al [6], Khumaedi et al [7], Ansrory et al [8], Rahman et al [9], Ardinugroho and Handayani [10], Astuti et al [11], and Hidayatillah et al [12]. From this research, no one has discussed the relationship between lithology and landslides.…”

Section: Introductionmentioning

confidence: 99%

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The Relationship of Lithology with Landslide Occurrences in Banyumanik and Tembalang Districts, Semarang City

Trisnawati

Najib²,

Hidayatillah³

2022

IOP Conf. Ser.: Earth Environ. Sci.

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Movement of soil and rock masses down the slope or known as landslide is a natural activity that can pose a danger to humans. Generally, landslide can be influenced by the slope, slope materials (rock/soil), and rainfall. Morphologically, the study area, which is located in the borders of Tembalang and Banyumanik Districts, Semarang City, is a hill that is quite steep. It has a potential to experience landslides. Landslide occurences at the study area do not always occur on steep slopes. Therefore, the aim of this study is to determine the relationship between the slope materials and the occurrences of landslide. Data was obtained through mapping to determine geological conditions and enlisting landslide occurrences at the study area. Furthermore, the correlation between the number of occurrences and the type of slope materials at the location of the ground motion was carried out using information value method. Based on geological mapping, 5 types of lithology were obtained, namely: alluvium, breccia, sandstone, siltstone, and claystone. Out of 10 landslides that were found, 6 of them occurred in claystone lithology. We interpret that landslide occurrences in study area are relating to the lithology claystone with information value 0.416. The claystone, a part of the Kerek Formation, physically were easily degraded. In addition, this lithology mostly found in open slopes, where the process of erosion by water is more intense.

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Section: Relation Between Lithology and Landslidementioning

confidence: 94%