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Topic: Landslide


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In the News (Wed 26 Jun 19)

  
  FEMA: Landslide and Debris Flow (Mudslide)
Landslides occur in all U.S. states and territories.
In a landslide, masses of rock, earth, or debris move down a slope.
Landslides may be small or large, slow or rapid.
www.fema.gov /hazard/landslide/index.shtm   (236 words)

  
 FEMA: After a Landslide or Debris Flow
Floods sometimes follow landslides and debris flows because they may both be started by the same event.
Seek advice from a geotechnical expert for evaluating landslide hazards or designing corrective techniques to reduce landslide risk.
A professional will be able to advise you of the best ways to prevent or reduce landslide risk, without creating further hazard.
www.fema.gov /hazard/landslide/ls_after.shtm   (239 words)

  
  Landslide and Debris Flow (Mudslide)
Landslides are typically associated with periods of heavy rainfall or rapid snow melt and tend to worsen the effects of flooding that often accompanies these events.
Areas that are generally prone to landslide hazards include existing old landslides; the bases of steep slopes; the bases of drainage channels; and developed hillsides where leach-field septic systems are used.
Areas that are typically considered safe from landslides include areas that have not moved in the past; relatively flat-lying areas away from sudden changes in slope; and areas at the top or along ridges, set back from the tops of slopes.
www.disastercenter.com /guide/landslide.html   (1746 words)

  
  Landslide - Wikipedia, the free encyclopedia
A landslide is a geological phenomenon which includes a wide range of ground movement, such as rock falls, deep failure of slopes and shallow debris flows.
An avalanche, similar in mechanism to a landslide, involves a large amount of ice, snow and rock falling quickly down the side of a mountain.
Southern Leyte landslide in the Philippines on 17 February 2006
en.wikipedia.org /wiki/Landslide   (426 words)

  
 Landslide victory - Wikipedia, the free encyclopedia
Landslides can occur when one candidate or party is perceived as far superior to their opponents, through unfair elections, or as a result of particular voting systems which may produce distorted or disproportionate results.
The opposite of a landslide is a wipeout.
Landslides are relatively common in British electoral history, and this is partly as a result of the first-past-the-post electoral system.
en.wikipedia.org /wiki/Landslide_victory   (1102 words)

  
 Landslide - MSN Encarta
Landslide, descent of a mass of earth and rock down a mountain slope.
Landslides may occur when water from rain and melting snow sinks through the earth on top of a slope, seeps through cracks and pore spaces in underlying sandstone, and encounters a layer of slippery material, such as shale or clay, inclined toward the valley.
Landslides that suddenly rush down a steep slope can cause great destruction across a wide area of habitable land and sometimes cause floods by damming up bodies of water.
encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761556149   (273 words)

  
 Coastal Landslide with Outrunner Blocks, Bunganuc Bluff - Maine Geological Survey
The Bunganuc area is shown on the Coastal Landslide Hazard Map of the Freeport quadrangle to be a location of known or interpreted landslides (Figure 3).
Moreover, landslides in the area were documented in reports as early as March 1952 (Figure 4) in the Report of the State Geologist 1951-1952.
Figure 5 is a map of the various landslide features including the "outrunner" blocks, the farthest of which traveled 183 feet from the base of the bluff.
www.state.me.us /doc/nrimc/mgs/explore/hazards/landslide/facts/dec04.htm   (780 words)

  
 Tully Valley landslide study
This landslide, which occurred after heavy precipitation of 190 mm (7.5 in) during April in conjunction with melting of a winter snowpack, led to considerable concern among the local authorities as well as the population about the stability of the slopes in the Finger Lakes region.
The toe of the landslide overrode Tully Farms Road and destroyed 22 hectares (55 acres) of farmland (Fickies, 1993).
The Mayunmarca landslide of April 25, 1974, blocked the Mantaro River in Peru, and the rising water level behind the landslide dam triggered landslides along the shores of the lake (Lee and Duncan, 1975).
pubs.usgs.gov /of/1994/ofr-94-0615/tvstudy.htm   (5053 words)

  
 Landslide Types and Processes
This landslide and earthflow occurred in the spring of 1995.
The primary regions of landslide occurrence and potential are the coastal and mountainous areas of California, Oregon, and Washington, the States comprising the intermountain west, and the mountainous and hilly regions of the Eastern United States.
Landsliding and flooding are closely allied because both are related to precipitation, runoff, and the saturation of ground by water.
nationalatlas.gov /articles/geology/a_landslide.html   (1872 words)

  
 Reading Coastal Landslide Hazards Maps - Maine Geological Survey
A coastal landslide hazards map shows the potential landslide hazards along a section of the Maine coast and describes the internal stability of sediment bluffs and their potential to rapidly move large amounts of land downslope under the influence of gravity.
A landslide on the north shore of Rockland harbor in 1996 heightened public awareness of this hazard.
Landslide risk areas, shown in orange, are interpretive and are based on observations of the shape and composition of the land surface.
www.maine.gov /doc/nrimc/mgs/mapuse/landslides/slide-read.htm   (1835 words)

  
 Landslide / The Cultural Landscape Foundation
Landslide is designed to educate and thereby rally support at the local, state, and national levels by calling attention to endangered landscapes and cultural landscape resources that are in and near your own community.
Landslide provides a history of each threatened site; presents its social, cultural, and artistic significance; gives a biography of the landscape architect or designer; and details the current threat.
Moreover, Landslide connects the public to the preservation effort by providing links to the groups that are working to safeguard each site for the benefit of today and for future generations.
www.tclf.org /landslide   (205 words)

  
 International Landslide Centre, University of Durham
I believe that this is probably the most serious landslide threat worldwide at present, and there is an urgent need to provide assistance to the authorities in the assessment of the hazard and the relocation of the affected population.
Whilst the landslides shown in images 2 and 3 are dramatic, I do not believe that these constitute the main threat to the population in the Muzaffarabad area.
The Hattian landslide is at the far end of the lake, and the source area is directly behind the ridge at the back of the slope pictured.
www.landslidecentre.org /kashmir2.htm   (1740 words)

  
 Landslide Types and Processes
This landslide and earthflow occurred in the spring of 1995.
The primary regions of landslide occurrence and potential are the coastal and mountainous areas of California, Oregon, and Washington, the States comprising the intermountain west, and the mountainous and hilly regions of the Eastern United States.
Landsliding and flooding are closely allied because both are related to precipitation, runoff, and the saturation of ground by water.
www.nationalatlas.gov /articles/geology/a_landslide.html   (1872 words)

  
 Preliminary map showing exceedance probabilities for landslides in Seattle
Generally, landslides that did not affect right-of-ways, utilities, or private properties are not recorded, meaning that for the most part, the database is a record of landslides that caused damage.
Landslide densities shown on the map were determined based on the number of landslides occurring within a moving count circle (see Campbell, 1973).
Landslide densities, mean recurrence intervals, and exceedance probabilities are given in table 1 and shown on the map (plate 1).
pubs.usgs.gov /of/2000/ofr-00-0303   (6343 words)

  
 JCP Reports - Hazard Information - Landslides
A landslide is a downward movement of rocks and soil.
Landslides may move as slowly as two inches a year, such as the Penitencia Creek Landslide in San Jose, however, speeds in excess of 20 miles as hour have occurred.
In the second case, the landslide is still present, has some remaining potential for movement, and the mitigating measures may be visually obtrusive or affect the property in other ways.
www.jcpreports.com /html/articles/landslide.html   (1125 words)

  
 Landslide Summary
Landslide is a general term used to describe a variety of geologic processes involving the movement of fine-grained earth, coarse-grained debris, or rock down a slope under the influence of gravity.
Landslides moving at velocities faster than a few meters per minute, particularly when they are large, have the potential to cause catastrophic damage and loss of life.
A landslide is a geological phenomenon which includes a wide range of ground movement, such as rock falls, deep failure of slopes, and shallow debris flows.
www.bookrags.com /Landslide   (1299 words)

  
 Landslide Events in the United States
Thirty-two individual landslides that are a representative sample of the most costly landslide events, and 15 landslides with the number of deaths and costs associated with these events.
Landslides are the downward and outward movement of earth materials on a slope.
Landslides generally move by the falling, sliding, or flowing of rock and (or) soil, or by a combination of these and other less common types of movement.
www.nationalatlas.gov /mld/landslx.html   (447 words)

  
 Department of Geology and Mineral Industries Landslide hazards in Oregon
Landslides are the downslope movement of rock, soil, or related debris.
Although landslides are propelled by gravity, they can be triggered by other natural geologic disasters or human activity.
Landslides are frequently the direct consequence of human activity.
www.oregon.gov /DOGAMI/Landslide/Landslidehome.shtml   (506 words)

  
 Hospital Records   (Site not responding. Last check: )
Tim Landslide has the peculiar honour of making the first signing to a fledgling Hospital, back in 1996.
Landslide's album debut "Drum+Bossa" - a hybrid of breakbeat and brazil, latin jazz to off-beat breaks - stands as a guide to the emerging broken-beat movement of that time.
In the spring of this year, Landslide was invited to take a key role in the London Elektricity live show, and since then he's spent a good deal of his time on the road with the LE crew.
www.hospitalrecords.com /artists_landslide.shtml   (197 words)

  
 Landslide Products-CDMA2000, GPRS Performance Test System, UMTS
Landslide emulates all of the key wireless core packet data network elements, and combines control plane and data plane simulation.
Landslide is designed to conduct performance and scalability testing for a wide range of wireless technologies and applications.
All of Landslide's protocols are supported on the same platform to give users a single test system for all of their mobility testing needs.
www.spirentcom.com /analysis/technology.cfm?media=7&WS=325&SS=114&wt=2   (231 words)

  
 Project Impact - Landslide
The stunning losses from landslides in 1996 and 1997 served as a costly reminder to Seattle residents and officials of the need to aggressively review existing policies and programs designed to mitigate damage before the ground slips.
The landslide hazards component of Project Impact is designed to develop a set of computer-based hazard maps that clearly portray the threats facing Seattle.
A preliminary landslide susceptibility map for the Magnolia area depicts one of the earliest stages in the analysis.
www.cityofseattle.net /projectimpact/pages/pioverview/hazardmapping/landslide.htm   (688 words)

  
 Mission Peak Landslide, Fremont, CA - J. David Rogers
This work entailed an evaluation of the areal extent of the landsliding, monitoring movement, engineering analyses, preparing landslide hazard maps of the area to aid the City in planning and emergency response decisions, and the development of emergency mitigation measures that might be undertaken by the City.
Landslide blocks on the northeast-facing slopes of Mission Ridge are almost as impressive as those on the southwest side, except that the total slope height is less.
A similar "step" in the prototype landslide"s basal slip surface appears to exist, as evidenced by the marked backward rotation of the headscarp with simple translation for several hundred feet downslope, wherein the basal slip surface(s) steepen markedly, downslope of the prominent "secondary ridge" forming the southwest side of the landslide headscarp graben.
web.umr.edu /~rogersda/hazard_mitigation_techniques/landslides/fremont/MP.htm   (10883 words)

  
 Natural Hazards - Landslides
Landslide potential of the conterminous United States: Red areas have very high potential, yellow areas have high potential, and green areas have moderate potential.
Landslides can and do occur in the fl areas, but the potential is low.
Landslide danger may be high even as emergency personnel are providing rescue and recovery services.
www.usgs.gov /hazards/landslides   (505 words)

  
 EO Natural Hazards: Strong Earthquake in Northern Pakistan
The large landslide is southeast of the earthquake’s epicenter between Muzaffarabad, Pakistan, and Uri, India, in the Pir Punjal range of Kashmir.
Not only is the landslide itself a hazard, but it covers the convergence between two small rivers, which may trigger future floods as the water finds new paths around the earthen dam.
Before the landslide, the rivers flowed together near the center of the scene, and then flowed north into the large river at the top of the image.
earthobservatory.nasa.gov /NaturalHazards/natural_hazards_v2.php3?img_id=13193   (284 words)

  
 USGS Hurricane Mitch Program-Landslide Hazard Mapping
Other landslides along the same road shown in the previous image have undermined the foundation of the only public school in the region and forced abandonment of the school.
The valley on the right side of the road into which the landslide slid extends down to major drainage that is about 300 meters lower in elevation.
Here, an active landslide has progressively undercut a local route through the mountains that is the main access route to the nearby town of La Palma.
mitchnts1.cr.usgs.gov /projects/landslide.html   (784 words)

  
 Catalog Page for PIA06171
The landslide material appears to have collapsed from a scarp 15 kilometers high (9 miles) that forms the rim of an ancient 600 kilometer (375 mile) impact basin.
The appearance of this landslide on an icy satellite with low-brightness cratered terrain is reminiscent of landslide features that were observed during NASA's Galileo mission on the Jovian satellite Callisto.
The fact that the Iapetus landslide traveled many kilometers from the basin scarp could indicate that the surface material is very fine-grained, and perhaps was fluffed by mechanical forces that allowed the landslide debris to flow extended distances.
photojournal.jpl.nasa.gov /catalog/PIA06171   (356 words)

  
 CHAPTER 10 - LANDSLIDE HAZARD ASSESSMENT   (Site not responding. Last check: )
Landslides are not currently amenable to risk assessment since there is no basis to determine the probability of landslides occurring within a given time period.
Landslides which result from development activities are usually the result of increasing moisture in the soil or changing the form of a slope.
The landslide hazard map is produced by interpreting the data represented by the maps of the inventoried landslides and the permanent factors found to influence the occurrence of landslides.
www.oas.org /cdmp/document/NHP/oea66e/ch10.htm   (11098 words)

  
 Landslide Hazards Related Links
Landslide hazards are described in relation to volcanoes.
Landslide Hazard Mitigation and Loss-reduction for Kingston Jamaica
This paper includes photographs of landslides that occurred in the late 1990 s on Maine s coast, contributing to the erosion of the coast and what property owners along other parts of Maine s coast are doing to protect their homes.
www.planning.org /landslides/docs/links.htm   (2699 words)

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