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Wednesday, April 22, 2020 | History

3 edition of Landslides and landslide hazards in Washington State due to February 5-9, 1996 storm found in the catalog.

Landslides and landslide hazards in Washington State due to February 5-9, 1996 storm

Landslides and landslide hazards in Washington State due to February 5-9, 1996 storm

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Published by U.S. Dept. of the Interior, U.S. Geological Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Landslides -- Washington (State),
  • Landslide hazard analysis -- Washington (State)

  • Edition Notes

    Statementby Edwin L. Harp ... [et al.].
    SeriesU.S. Geological Survey administrative report
    ContributionsHarp, Edwin L., Geological Survey (U.S.)
    The Physical Object
    Pagination29 leaves :
    Number of Pages29
    ID Numbers
    Open LibraryOL17804143M
    OCLC/WorldCa36550813

    Washington State Landslide Continues To Grow, Threatening Homes Experts told KOMO News landslides usually settle in the days following the main event, but Des Moines officials say it could be. Preliminary field report on the Route 2 landslides of tropical storm Irene, Aug Landslides from Tropical Storm Irene in the Deerfield Watershed, western Massachusetts Landslides. Factors involved in slope stability include: slope angle, position and form, soil characteristics, bedrock type, groundwater, root strength, elevation, road placement, and stand age (Abramson et al. ). Most landslides in Washington State occur as a result of a combination of poor forest management, intense rainfall, seismic events, and.


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Landslides and landslide hazards in Washington State due to February 5-9, 1996 storm Download PDF EPUB FB2

To the February storm precipitation levels as well as to various physiographic and material susceptibility factors. Debris flows were the most common landslide type triggered by the February storm. Debris flows typically origi-nate within soil overlying bedrock.

As the soil becomes saturated and pore-water pressures increase such that the downs-File Size: KB. Landslides and landslide hazards in Washington State due to Februarystorm. Significant Deep-Seated Landslides in Washington State – to Landslide Name Date.

Location. Area: Volume. Landslides and landslide hazards in Washington State due to February 5 -9, storm: U.S. Geological Survey Administrative Report, 1 v.

Harp EL, Chleborad AF, Schuster RL, Cannon SH, 1996 storm book ME, Wilson RC () Landslides and landslide hazards in Washington State due to February 5–9, storm. US Geological Survey Administrative Report to the Federal Emergency Management Agency Google ScholarCited by: LANDSLIDE HAZARDS IN WASHINGTON STATE 3/4/14 JMR Types of Landslides translational rotational block slide SLIDES—downslope movements of soil or rock on a surface of rupture.

They commonly occur along an existing plane of weakness. The main modes are translational (along a flat plane) and rotational (along a concave surface).

Slides may be File Size: KB. Landslides constitute a major geologic hazard because they are widespread, occur in all 50 states and U.S. territories, and cause $ billion in damages and more than 25 fatalities on average each Landslides and landslide hazards in Washington State due to February 5-9.

Expansion of urban and recreational developments into hillside areas leads to more people that are threatened by landslides each year. A new U.S. Geological Survey map of Puerto Rico shows the relative risks of landslides due to the kind of intense rainfall brought on by hurricanes.

It identifies 20% of the island as at high risk, 9% at very high risk, and 1% at extremely high risk of landslides under those conditions. Washington is one of the most landslide-prone states in the country, with hundreds to thousands of events each year.

The direct cost of landslide damage includes the repair of roads and property and the loss of life. Indirect costs, such as loss of property value and tax revenue, and environmental effects. The history of real-time monitoring for potential landslides from water and debris flows.

Monitoring hillslopes with the goal of eventually establishing an early warning system for debris flows. Landslides often 1996 storm book in response to heavy or prolonged rainfall.

On hillsides, gravity is constantly. "Major landslides triggered by the magnitude Great Alaska earthquake responded to, but were not reactivated by, the magnitude Anchorage earthquake that took place 30 Novemberresearchers concluded in a new study published in Seismological Research Letters." Attribution: Natural Hazards, Landslide Hazards Program, States and.

Heavy precipitation near the end of December resulted in widespread flooding and localized landsliding in the western states Landslides and landslide hazards in Washington State due to February 5-9 California, Oregon, Washington, Nevada, and Idaho.

Many of the landslides occurred in the Puget Lowland of western Washington (fig. Landslides and landslide hazards in Washington State due to Februarystorm /Author: Edwin L.

Harp and Geological Survey (U.S.). Washington State faces many geologic hazards, from Landslides and landslide hazards in Washington State due to February 5-9 and landslides, to volcanoes and earthquakes.

This page details all of these hazards and what the Washington Division of Geology does to serve the public interest. The model is intended for use as a shallow landslide forecasting tool for use by city and county emergency managers.

The map is not predictive, nor does it forecast the potential for deep-seated landslides. If a landslide occurs, evacuate the area and contact your local emergency management agency.

Current Landslide Hazard. Below Model Threshold; Advisory. Purchase Landslide Hazards, Risks, and Disasters - 1st Edition. Print Book & E-Book. ISBN  Debris flows and debris avalanches are the most widespread and hazardous types of landslides on the British Columbia north coast.

Triggered by heavy rain, they pose risks to forestry workers in sparsely developed by: Fayzabad District is one of those most impacted by landslide hazards in Afghanistan, accounting for 71% of all national landslide fatalities reported between and Landslide hazards are, in essence, landslides which have the potential to affect society detrimentally.

One may debate whether or not all landslides constitute hazards to society, and whether in principle any landslide anywhere is a potential hazard if there is any possibility that humankind is now or will at some time in the future make itself Cited by: 6.

(Photo courtesy of Washington State Archives) Last weekend’s massive landslide near Oso in Snohomish County is a sad and tragic reminder that we live in a state where devastating landslides can and do happen, often resulting in the loss of property and, sometimes, human life. Landslides and Mudflows.

Landslides and mudflows usually strike without warning. The force of rocks, soil, or other debris moving down a slope can devastate anything in its path. Before a landslide. Get a ground assessment of your property. Your county geologist or county planning department may have specific information on areas vulnerable to.

Landslides - Hazards jared shaw. Traffic Stop Script - Washington State Law - Duration: Libertys Champion Computer Animation of the Po Shan Road Landslide. Landslides set off by this storm killed at least 24 people in Henderson, Transylvania, Rutherford, Wilkes, and Alexander Counties.

The severity of this mid-July storm was likely due to an earlier storm that preceded it, which lead to a significant increase in soil moisture within the region. Infollowing the deadly landslides that occurred during the storms ofa task force formed by the State Legislature to look at the problem of landslides in Oregon, presented its results.

You can read the report here from the Joint Interim Task Force On Landslides and Public Safety. Landslides are more likely to occur when soils are saturated. Many landslides can occur within a few days when Seattle experiences heavy rainfall or rapid snowmelt.

Response to landslides can be more difficult when they are triggered by an event like a winter storm, which is often associated with other hazards such as widespread flooding. USGS scientists aim to improve our understanding of landslide hazards to help protect communities and reduce associated losses.

Video Sections: • Types of Landslides. More information on Washington landslides associated with the storm of February can be found in a report by Harp and others, Precipitation data for the slides of Decemberare fairly well constrained. Likewise, two of the points for the Januarylandslides are well constrained, but the other two have a large.

Chapter Landslide/Mudslide Hazard Hazards Mitigation Plan March The Washington State Department of Ecology Shorelands and Environmental Assistance Program summarizes where slides are likely to occur along marine shorelines (used with permission)3: Where Landslide.

Landslides, flood and marine effects of the storm of Januaryin the San Francisco Bay region, California. USGS Professional Paper no. United States Geological SUrvey, Washington D.C. Engeset R, Tveito OE, Mengistu Z, Udnæs H-C, Isaksen K, Førland EJ (). Landslide and debris flow warning signs, what to do before, during, and after.

Attribution: Natural Hazards, Landslide Hazards Program, Geologic Hazards Science Center Date published: July. Washington State Landslide On Saturday, Ma a mile-long mudslide descended north of Seattle, Washington, damaging homes, blocking roadways, and blocking a dam in the area.

While rescuers work to move their recovery efforts forward, fears of additional flooding, property damage, and loss of life arise. Landslide Hazards in Washington State. Page 2 Ap Road closures due to landslides • Consider evacuating prior to storm events which can cause sud-den flooding and (or) landslides.

• Avoid living in locations that are hazardous. Areas above or be. Oregon Geology Landslide Hazards in Oregon Fact Sheet Oregon Department of Geology and Mineral Industries NE Oregon St., Suite Portland, OR OFile Size: 2MB.

Research Highlights A detailed and accurate landslide inventory is an essential part of seismic landslide hazard analysis. An ideal inventory covers the entire area affected by an earthquake and includes all of the landslides down to sizes of m in length.

Complete inventories with landslides depicted as polygons can be used to perform seismic landslide hazard and other quantitative by:   Dozens Evacuate In Washington State, Fearing Landslide: The Two-Way A massive crack on top of Rattlesnake Ridge in south-central Washington state.

The State of California has created a series of regulatory maps pursuant to the Seismic Hazard Mapping Act of These statutory maps designate zones where earthquake shaking might cause two types of ground failure: liquefaction (on flatlands) and earthquake-triggered landslides (on slopes).

Landslide Hazard Studies Protection of life and properties from landslide disaster is indispensable in creating a safe environment for the society. GSI as the nodal agency for landslide hazard studies has undertaken a National programme on landslide susceptibility mapping - Macro scale (,) (NLSM) with an aim to cover the million sq.

DOGAMI Landslide Mapping. Infollowing the deadly landslides that occurred during the storms ofa task force formed by the State Legislature to look at the problem of landslides in Oregon, presented its can read the report here from the Joint Interim Task Force On Landslides.

Spurred by Oso landslide, Washington puts maps online to show areas at risk Originally published Janu at pm Updated Janu at pm. Heavy rain in Washington triggers landslides, evacuations. the National Weather Service said more landslides are possible in western Washington, Landslide moves Washington state.

In the days after the Oso landslide – its official name, bestowed by Washington State, is the SR Landslide, after the buried highway – much was written about previous slides and instability.

The Pdf Party on World Landslide Inventory () defines a landslide simply as ‘the movement of a pdf of rock, earth, or debris down a slope’ (q.v.).A more comprehensive definition which helps to distinguish landslides from the other geomorphological processes is ‘the downward or outward movement of a mass of slope-forming material under the influence of gravity, occurring on.Twenty landslides, 40 percent of the total number download pdf, occurred along the delineated zone.

However, since these slides were on the average larger and more destructive than those not related to stratigraphic controls, this zone accounted for about 60 percent of the total damage.

Plate 1. Zone of particular landslide hazard.Landslide Hazards in the Seattle, Washington, Area Printed on recycled paper Ebook geology and climate contribute to landslides The Seattle area was glaciated during the last ice age.

The arrangement of glacial deposits and other weak rocks, along with the effects of coastal erosion, define where most landslides occur.