Landslide investigations, southern Cianjur Regency, West Java Province, Indonesia; a progress report
Open-File Report
83-597
By: John R. Ege
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Abstract
Two landslide-monitoring sites have been established for a minimum 2-year investigation near the villages of Pasirpari and Cibacang in southern Cianjur Regency, West Java, Indonesia. Surveyed-in lines will measure amounts of surface movement and tilt, borings that produced exploratory cores now serve as slip-surface detectors and open-pipe piezometers, and rain gages will record rainfall at both sites.
Exploratory cores and field observations located upper slip surfaces ranging in depth between 4 and 14 m. Rises of borehole-water levels of as much as 63 cm during drilling suggest that pore pressures exist at the inferred-slip surfaces. Sliding along slip surfaces and slope failures occurred during the rainy season between November 1980 and April 1981.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Landslide investigations, southern Cianjur Regency, West Java Province, Indonesia; a progress report |
| Series title | Open-File Report |
| Series number | 83-597 |
| DOI | 10.3133/ofr83597 |
| Edition | - |
| Year Published | 1983 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | ii, 27 p. ill., maps ;28 cm. |
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