ali - sesar cimandiri bagian timur dan implikasinya terhadap longsoran di citatah

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 Sesar Cimandiri Bagian Timur dan Implikasinya terhadap Longsoran di Citatah SESAR CIMANDIRI BAGIAN TIMUR DAN IMPLIKASINYA TERHADAP LONGSORAN DI CITATAH, PADALARANG, JAWA BARAT Oleh: Zufialdi Zakaria *)  ABSTRACT  Faults can identify by analysis of remote-s ensing and also field geolog y study. In research area there are two fault type, that is thrust fault and strike-slip fault . Crossing of two kind of thrust fault and  strike-slip fault caused a w eakness of t hose area. M ore kinds o f landslide dev eloped at cross of two  fault. Indication of strike-slip fault at limestone upper hill is showing by azimuth  N180oE . At fo ot hill, cracks and joints are showing by azimuth N320oE to N330oE. Strike-slip fault is not strike line but curve. Small landslides abundant on big landslide at cross area of two kind fault. Kinds of  small land slide are slump, topp le and fall. Enviro nme ntal managem ent is need ed as mitigation of geological di sa st er (mas s mo ve me nt ), al so as landsl ide an tici pati on . En vi ro nmental  management for landslide anticipate is doing by : slope slightly, decreasing ground water level in order to no  saturated so il, and re -v eg et at ion. Retaining wa ll is ne eded at un st able sl ope. En vi ronmental  monitoring is needed especially at slope with angle-slope a > 44,280.  Key wo rd : Fault, landslide, env ironmental management  SARI 

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