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ANALISIS JENIS BATUAN PADA ZONA GERAKAN TANAH MENGGUNAKAN METODE MIKROTREMOR DI DUSUN DEOT, DESA TOTOGAN, KECAMATAN KARANGSAMBUNG, KEBUMEN
This research was conducted in a landslide area characterized by soil creep in Deot Hamlet, Totogan Village, Karangsambung District, Kebumen. The study aims to analyze subsurface ground density profiles to identify rock types within the landslide zone using the ellipticity curve method and to assess landslide potential. Data were acquired using the microtremor method at 17 measurement points with intervals of approximately ±50 meters. The study area is located within the coordinate boundaries of 109° 40' 35.9'' E to 109° 46' 3'' E and 7° 31' 09.2'' S to 7° 31' 12.5'' S, and is composed of Schist and Phyllite Formations. The recorded microtremor signals were filtered to remove noise and processed using the HVSR (Horizontal to Vertical Spectral Ratio) method to obtain HVSR curves, which were then used as input for the ellipticity curve method to estimate density values and their corresponding depths. The results show that density values of < 1764 kg/m³ represent surface soil, 1764–2243 kg/m³ correspond to clay, 2244–2800 kg/m³ indicate phyllite, and > 2800 kg/m³ represent schist. The identified ground movement type is soil creep, caused by the bedrock slope dipping in the same direction as the surface slope of the study area. The study also delineates two landslide zones: non-affected and non-potential zones, and affected and potentially unstable zones.
FAKULTAS SAINS DAN TEKNOLOGI, UIN SUNAN KALIJAGA YOGYAKARTA
NIM.: 22106020026 Muhammad Habib Qaulan Shadida
ANALISIS JENIS BATUAN PADA ZONA GERAKAN TANAH MENGGUNAKAN METODE MIKROTREMOR DI DUSUN DEOT, DESA TOTOGAN, KECAMATAN KARANGSAMBUNG, KEBUMEN (Text)
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