The Ore Bin ; Vol. 38 No. 5 (May 1976) Public Deposited

http://ir.library.oregonstate.edu/concern/administrative_report_or_publications/cv43p2119

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Alternative Title
  • Geologic hazards in Oregon
Creator
Abstract or Summary
  • Average annual losses caused by geologic hazards in Oregon are difficult to determine, owing to incomplete and scattered data. Preliminary considerations, however, indicate that losses to landslides may total between $4 million and $40 million per year. As many as nine persons have been killed by one landslide in Oregon in recent years. Losses through coastal retreat have totaled millions of dollars as large parts of major communities have been destroyed. Tsunami damage totals approximately $1 million and would probably be far greater were it not for the fortunate timing of the 1964 tsunami. Flood losses will average $36 million per year by the year 2000. Because this hazard is so large and complex, it is dealt with by several state and Federal agencies. Volcanic and earthquake hazards constitute long-range threats, with the potential for catastrophic consequences. Specific identifications of these hazards and long-range mitigative efforts can reduce the risk considerably. It is the aim of a good hazards investigation to regard not only the historic distribution of hazards but also the causes and the distribution of hazardous antecedent conditions. The net result is the generation of information that is more than purely a descriptive account of past events, but which is also a predictive tool for evaluating the impacts of contemplated changes in land use. In this way, the information becomes a powerful land-management tool. Effective mitigation and planning can only proceed on a firm foundation of accurate hazards analysis and mapping. The aim of the geologic hazards program at the Oregon Department of Geology and Mineral Industries is to provide objective and accurate data, free of personal value judgments. The purpose is to provide government with an array of appropriate uses for land in hazardous areas, based on adequate information and on unbiased investigation.
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Table of Contents
  • Introduction -- Mass movement -- Wave erosion and tsunamis -- Stream flooding -- Tectonic hazards -- Conclusions -- Bibliography.
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Peer Reviewed
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  • 13118334 bytes
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  • Master files scanned at 600 dpi (256 Grayscale) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF derivatives scanned at 300 dpi (256 Grayscale) using Capture Perfect 3.0 and OmniPage Professional 15.0 for textual OCR on a Canon DR-9080C.
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  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2006-11-15T16:31:06Z (GMT) No. of bitstreams: 1 vol38_no5_ocr.pdf: 13118334 bytes, checksum: 8ff8f8750be5983cba2ac746accca917 (MD5)
  • description.provenance : Made available in DSpace on 2006-11-15T16:31:08Z (GMT). No. of bitstreams: 1 vol38_no5_ocr.pdf: 13118334 bytes, checksum: 8ff8f8750be5983cba2ac746accca917 (MD5) Previous issue date: 1976-05
  • Reports and Publications -- Other Reports and Publications
  • description.provenance : Submitted by Adam Powell (powella@onid.orst.edu) on 2006-09-26T17:45:26Z No. of bitstreams: 1 vol38_no5_ocr.pdf: 13118334 bytes, checksum: 8ff8f8750be5983cba2ac746accca917 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2006-09-27T20:50:01Z (GMT) No. of bitstreams: 1 vol38_no5_ocr.pdf: 13118334 bytes, checksum: 8ff8f8750be5983cba2ac746accca917 (MD5)

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