Landslides and Engineering Geology of the Seattle, Washington, Area
This volume brings together case studies and summary papers describing the application of state-of-the-art engineering geologic methods to landslide hazard analysis for the Seattle, Washington, area. An introductory chapter provides a thorough description of the Quaternary and bedrock geology of Seattle. Nine additional chapters review the history of landslide mapping in Seattle, present case studies of individual landslides, describe the results of spatial assessments of landslide hazard, discuss hydrologic controls on landsliding, and outline an early warning system for rainfall-induced landslides.
Landslide mapping in Seattle, Washington
Published:January 01, 2008
William T. Laprade, Donald W. Tubbs, 2008. "Landslide mapping in Seattle, Washington", Landslides and Engineering Geology of the Seattle, Washington, Area, Rex L. Baum, Jonathan W. Godt, Lynn M. Highland
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Seattle, Washington, has one of the most progressive landslide ordinances and mitigation programs in the United States. The necessity for this is driven by concentrated winter precipitation, steep slopes, and glacial soils that are susceptible to instability. Early in the European development, engineers recognized the vulnerability of Seattle hillsides to landslides, particularly when the hillsides were disturbed. In this paper, we trace the history of mapping of landslide-prone ground in Seattle, started by Miller (1973), detailed by Tubbs (1974, 1975), and most recently catalogued by Shannon & Wilson (2000, 2003).
Owing to the...