U.S. Department of Agriculture Pago Pago, American Samoa and U.S. Department of Agriculture West National Technical Center Portland, Oregon
States the results of the Landslide Hazard Mitigation Study. the methodology used by SCS was to gather first hand information about the nature of the landslides occurring on Tutuila.
Environment - Protection - Samoa
VF 41163
SEPTEMBER 8, 2023 BY ANONYMOUS
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PEIN Date Modified
PEIN Notes
Background, Methods of Study, Causes of slides, literature search, Aerial photography review, USGS open file report on 1979 landslides, post study slides hurricane Ofa, field study and suggested treatment of sxisting landslides, geology, soils, slopes, vegetation, dominant vegetation, water, predictability landslide hazard zone maps, mitigation, engineering, retaining walls, drainage on building pads, drainage on hillslope above cut slopes, revegetating slopes, pole houses, setbacks, access road drainage, treatment for vertical rock faces, cribbing, early warning system and public education, grading ordinances, uniform building code, Oahu ordinance, Portland ordinance, Summary, recommendations, bibliography, Portland grading ordinance
Record id
53591
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