King County uses landslide hazard mapping information in a number of ways in an effort to identify and address landslide hazard risks that could have impacts on public health and safety. As part of the Hazard Mitigation Planning process, mapping of the hazards that have the potential to affect the jurisdiction is performed using geographic information systems (GIS) software. Hazard Maps & Publications. OVERVIEW: LANDSLIDE HAZARDS IN WASHINGTON STATE - STATUS OF INVENTORY AND DETECTION TOOLS WASHINGTON LANDSLIDE PROVINCES • DNR has collected ~51,000 LS into a single GIS database • Includes both shallow rapid landslides (SRLS ~30,000) and deep-seated landslides (DSLS ~11,000) • No significant updates since 2009 • Available on Geology Portal This paper. Shallow-Landslide Hazard Map of Seattle, Washington Open-File Report PDF (10 MB) Right-Click to 'Save As' or 'Download' Abstract Landslides, particularly debris flows, have long been a significant cause of damage and destruction to people and property in the Puget Sound region. Bellevue is hilly and experiences significant amounts of rainfall, which makes it susceptible to landslides. One of the first necessities for landslide hazard assessments Legend Evacuation Points Roads Inundation &nLandslide Risk Landslide Hazard Inundation 0 1 2 4 Miles $ Aberdeen Hazard Areas Figure 2: Walking evacuation map of Aberdeen, which shows suggested evacuation routes and areas (Washington DNR). Landslides can be very damaging to property and pose significant threats to life-safety. methodologies for modeling types of landslide hazards, and new geologic maps are available and can be used to update landslide mapping. Ress, D., 2004, City damage may top $15 million: Richmond Times-Dispatch . Shallow-Landslide Hazard Map of Seattle, Washington: Usgs Open-File Report 2006-1139 [Harp, Edwin L., Michael, John a., Laprade, William T.] on Amazon.com. Detailed information can be found in the map or report. Service Description: This database contains the locations of landslides mapped using the WGS 2017 landslide inventory mapping protocol: Washington Geological Survey Bulletin 82 (Slaughter and others, 2017). This Department of Natural Resources webpage contains a collection of these resources and a brief description of each item. Transportation Research Board Special Report No. Avoid building on steep slopes, hill edges, drainage routes and areas where . Marine geohazards, or 'dangers in the deep' include earthquakes, volcanic eruptions, submarine landslides, and tsunamis, as well as dissociation of gas hydrates—which can cause seafloor collapse—and oil spills or toxic seeps that affect deep sea life or change the physical characteristics of ocean environments. 2009 Hazard Mitigation Plan Landslide Map Liquefaction Map: Four types of landslides can potentially affect Shoreline. The 100 foot long . A short summary of this paper. In this regard, we presented a multi-hazard risk map for five natural hazards (floods, landslides, land subsidence, snow avalanches, and forest fires) in the study area. As needed, DNR provides public safety messages regarding landslides through our Facebook and Twitter pages. Washington DNR GIS viewer application Washington Geologic Information Portal . . Below you will find links to view and download hazard maps created for each jurisdiction included in the current mitigation planning process. Search layers. Shallow landslide hazard map of Seattle, Washington: Other authors / contributors: Michael, J. 24.03 Definition. showing the potential landslide hazard in part of Washington County. Collapse this section. Beginning in 2016 a new landslide protocol was developed for Washington State based on analysis of high-resolution lidar. Landslide hazards in the Seattle, Washington, area by: Baum, Rex L. Published: (2007) Seattle seismic hazard maps and data download Published: (2007) Seismic hazard maps for Seattle, Washington, incorporating 3D sedimentary basin effects, nonlinear site response, and rupture directivity Published: (2007) Shallow-Landslide Hazard Map of Seattle, Washington: Usgs Open-File Report 2006-1139 Prepare Now. Landslide Hazards Map 2: Erosion Hazards. Following the years of 1996 and 1997, the Federal Emergency Management Agency designated Seattle as a "Project Impact" city with the goal of encouraging the city to become more disaster resistant to landslides and other natural hazards. John Michael. December 2014. Please read metadata for additional information ( https://matterhorn.co.pierce.wa.us/GISmetadata/pdbplan_potential_landslide_hazard_ars.html ). Landslides, particularly debris flows, have long been a significant cause of damage and destruction to people and property in the Puget Sound region. Following the years of 1996 and 1997, the Federal Emergency Management Agency designated Seattle as a "Project Impact" city with the goal of encouraging the city to become more disaster resistant to landslides and other natural hazards. This area is defined by a map published by the Washington State Department of Natural Resources. Figure 1: Location map of Aberdeen, Washington (Google Maps 2022). This means that this area has rainfall patterns, terrain slope, geology, soil, land cover and (potentially) earthquakes that make localized landslides a frequent hazard phenomenon. Where records have been kept, landslide inventory maps provide a useful first level view of where the risk is highest. This means those areas which are potentially subject to risk of landslide due to a combination of geologic, topographic, and/or hydrologic factors; and where the vertical height is fifteen feet or more, excluding those wholly manmade slopes created under the design and inspection of a geotechnical . Baum and others, 2000). The M9 project, a recent research collaboration across several UW departments explored how a Cascadia Subduction Zone earthquake may trigger landslides throughout the area. U.S. Geological Survey, Washington. 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. Proceedings of the Second World Landslide Forum - 3-7 October 2011, Rome Helene Petschko(1), Rainer Bell(1), Philip Leopold(2), Gerhard Heiss(2), Thomas Glade(1) Landslide inventories for reliable susceptibility maps (1) University of Vienna, Department of Geography and Regional Research, Vienna, Universitaetsstrasse 7, 1010 Wien, helene.petschko@univie.ac.at, +431427748628 (2) AIT . April 10th, 2019 - Chapter 3 analyzes the landslide risk Landslide susceptibility hazard maps are obtained from historical inventories of past events combined with the analysis of slope angle bedrock 3 / 12. Landslides are a widespread, frequent, and costly hazard in Seattle and the Puget Sound area of Washington State, USA. Reset map orientation. Learn more about Washington state projects. An interactive landslide hazard map that covers the entire USA. Landslide Hazard Maps Landslides tend to occur where past landslides have happened. Permitting services are available on this website and MyBuildingPermit.com. A. Laprade, William T. (William Thomas), 1945-Geological Survey (U.S.) Notes: Title from HTML index page (viewed on Oct. 6, 2006). Ask us a question « Fill out our form to get a response. chevron_right Landslides . Reviews in Engineering Geology, 2008. Examples of potential landslide maps: NASA Global Potential Landslide Areas Landslide Hazards in Oregon fact sheet Storm Tips - What you can do about landslides before and during an intense storm . CEE researchers develop first-ever map that quantifies landslide risk in Seattle. Shop now. He will soon be releasing a first-of-its-kind map that predicts landslide risk throughout the city. Landslide Hazards. "Landslide" is a general term for the downslope mass movement of soil, rock, or a combination of materials on an unstable slope. Please refer to the list of references below—the National Weather Service provides landslide warnings for specific geographic areas. An introductory chapter provides a thorough description of the Quaternary and bedrock geology of Seattle. Landslide hazard areas are areas potentially subject to significant or severe risk of landslides based on a combination of geologic, topographic, and hydrogeologic factors. Shallow landslide hazard map of Seattle, Washington: Other authors / contributors: Michael, J. See a landslide vulnerability map (PDF, 16MB) for the City of Kirkland. Krizak, eds. Liquefaction (Seismic) Susceptibility. Based on this information, planning decisions such as project siting, project design, and construction methods, must take into account the potential for landslides. To help prevent landslides, Bellevue's land-use code limits construction and/or clearing of vegetation in critical areas, which include geological hazard areas. A Homeowner's Guide to Landslides for Oregon and Washington . More Info and Maps U.S. ( University of Missouri Libraries ) Services . Washington, D.C. pp. b) Landslide Hazard Areas - areas that are susceptible to land sliding due to a combination of slope inclination, soil type, and presence of water. Navigate; Linked Data; Dashboard; Tools / Extras; Stats; Share . Evaluation of the accuracies of the maps produced by the SVM, GLM, and FDA models showed that SVM is most accurate model for predicting landslide, land subsidence, and flood risks. The federal Risk MAP program gives quality mapping . The data for incorporated Pierce County is available through the Pierce County IT-GIS department.Possible Site Constrains, landslide hazard areas, as depicted on the Critical Areas Atlas-Landslide Hazard Areas Map, are those areas where the suspected risk of slope instability and landslide is sufficient to require a geological assessment to . They are typically made for natural hazards such as earthquake ground motion, flooding, landslides, liquefaction, and tsunami.Hazard maps are tools that when properly utillized by planners, developers, and engineers, can save lives and economic losses by avoiding exposure to some hazards while . Shallow earth slides triggered by heavy rainfall are the most common type of landslide in the area; many transform into debris flows and cause significant property damage or disrupt transportation. Map 3. lateral spreading,landslides,mass wasting,geologic hazards,slumps,geologic . Landslide Inventory and Interactive Map Slope angle, subsurface geology, and rainfall data added to this knowledge base can inform landslide predictions and mitigation priorities. What are lacking are detailed landslide hazard maps for VDEM and other state agencies to use in planning and mitigation. The Washington Geologic Information Portal contains the most comprehensive listing of landslides available. They are deep-seated, shallow, bench and large slides. Many Utah landslides are considered dormant, but recent slope failures are commonly reactivations of pre-existing landslides, suggesting that even so . landslides so be alert if you feel the ground shake and you are near sloping ground. . Geologic hazard maps and publications report and show areas that may be subject to the effects of earthquakes, landslides, debris flows, rock falls, poor soil conditions, radon, or floods. 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