The massive subduction zone earthquake that hit nepal in 2015 also caused thousands of landslides. The threat of landslides and mudslides remains high across much of nepals high country, and the risk is likely to increase when the monsoon rains arrive this. Earthquake triggered many landslides within nepal thereby causing significant loss of life, livestock properties, and infrastructure. Request pdf monsoon rainfall and landslides in nepal a large number of human settlements on the nepal himalayas are situated either on old landslide mass or on landslideprone areas. Nepal dozens dead after floods and landslides across the. Landslide susceptibility mapping of earthquake affected districts of nepal using. Mar 17, 2016 the gorkha earthquake nepal, 2015, m w 7. Causes and types of landslides what is a landslide.
Monsoon rainfall and landslides in nepal request pdf. Landslides in western nepal leave at least 33 dead the. Even small landslides can cause considerable disruption, injury or fatalities. Jul 31, 2015 kathmandu, nepal landslides set off by heavy rain struck several villages in kaski, a popular tourist area in western nepal, killing at least 33 people, a senior local official said on thursday. Representative rainfall thresholds for landslides in the. The damage to the hillslopes during the earthquakes has resulted in an increased. Nepalese army rescues locals on a dinghy in a flooded neighbourhood after incessant rainfall in bhaktapur, nepal, july 12, 2018. Aug 17, 2014 nepal flooding and landslides kill scores this article is more than 5 years old rain damages roads across the himalayan countrys western plains, forcing officials to use helicopters to rescue. Loss and damage from a catastrophic landslide in sindhupalchok district, nepal. Pdf landslide its cause and prevention technique in nepal. The consequences have been severe i have been trying to collate information on losses based upon newspaper reports.
The gorkha earthquake and its aftershocks in nepal were a. A a river sediment sample in a drainage basin may record denudation of the entire basin light gray or sediment generated dominantly by bedrock landslides dark gray, producing b significantly different age distributions with the. Aug 06, 2018 landslides have killed at least 14 people in nepal as officials issued warnings on the risk of more landslides and flash floods due to torrential rain. In this study, questions are raised about its volume and initiation. Every year, especially during monsoon rains, landslides and related natural events in these mountains cause tremendous damage to lives, property, infrastructure, and environment. Landsliding is a common stochastic erosional process that may account for 50% of the sediment produced in steep mountainous landscapes. Nepal government ministry of irrigation report on jure landslide, mankha vdc, sindhupalchowk district the report based on the study committee formulated by ministry of irrigation minister level on august 24, 2014 ad 20710508 bs translated and edited from nepali to english by. Here, we calculate the effects of landsliding and the residence time of. Measuring some 2400 km in length, the himalaya accommodate millions of people in northern india and pakistan, nepal, bhutan, and parts of other asian nations. Landslides occur in a variety of environments, characterized by either steep or gentle slope gradients, from mountain ranges to coastal cliffs or even underwater, in which case they are.
Meanwhile, nepal cabinet held an emergency meeting during which prime minister sher bahadur deuba ordered the local district administrations to intensify the rescue and release activities. This list is very incomplete as there is no central catalogue for landslides, although some for individual countriesareas do exist. Impact of landslides and innovative landslidemitigation. Nepal landslide triggered by rainfall kills 15 people and leaves dozens missing this article is more than 4 years old rescue teams struggle to reach remote taplejung district in mountainous north. Comparison of landslide debris volume, pre and post earthquake rainfalls, and. Nepal district boundaries where landslides were investigated.
This is essentially due to a decrease in the shear strength of the slope material, to an increase in the shear stress borne by the material, or to a combination of the two. Abstract nepal is a mountainous, less developed kingdom that straddles the. Jun 11, 2015 nepal landslide triggered by rainfall kills 15 people and leaves dozens missing this article is more than 4 years old rescue teams struggle to reach remote taplejung district in mountainous north. Quantifying landslide frequency and sediment residence time. Landslides and floods triggered by days of monsoon rainfall affected parts of western, midwestern and central regions of nepal local media report that over 30 people have died and over 20 are missing as a result of floods or landslides in the last few days. The overall objective of this paper is to develop a disaster risk profile of nepal focused mainly on waterinduced disasters floods and landslides and analyze the existing legal framework of the country. Landslides, mudslides likely to remain a significant threat. Kathmandu, nepal landslides set off by heavy rain struck several villages in kaski, a popular tourist area in western nepal, killing at least 33 people, a senior local official said on thursday. Volumes of landslides are recorded in the scientific literature using cubic kilometres km 3 for the largest and millions of cubic metres normally given.
Monitoring instrumentation ready for shipping in midaugust photo. The causes of landslides in india are not much different from the world, but there are some peculiarities. East of dharapani, manang district, nepal 50 kilometers northwest of epicenter. We have also posted the following shapefiles for use in arcgis. Title geodisaster and its mitigation in nepal authors core. There is a general consensus that the impacts of landslides in countries such as nepal are increasing with time, but.
Nepal is one of the most vulnerable countries in the world in the context of climate change impacts and disasters inform, 2016. Landslide development within 3 years after the 2015 m w 7. Landslides in india are considered a major hazard in most hilly and mountains regions as well as in steep river banks and coastlines. Report on jure landslide, mankha vdc, sindhupalchowk district. Landslides in nepal the landslide blog agu blogosphere. Important factors considered to be responsible for causing landslides are. The nepal loss and damage case study was launched at cop22 in marrakesh, morocco. The term landslide is used to describe a wide variety of processes that result in the perceptible downward and outward movement of soil, rock, and vegetation under gravitational influence. Loss and damage happening now, nepal case study by unuehs finds.
Landslides are very common in the himalayas especially during monsoon season. Nasaled volunteers map nepal quake landslides nasa. Landslides, mudslides likely to remain a significant. Original research disaster risk profile and existing legal. Himalayan landslides can be attributed to the fact that himalayas lies at the convergence zone of two lithospheric plates, i.
May, 2015 earthquakes in nepal are notorious for triggering landslides, which kill many nepalese each year. At least 36 people were killed and 12 others missing in floods and landslides triggered by incessant rainfall in several districts across nepal, officials said today. Landslides triggered by the gorkha earthquake in the. The work group developed the landslide mitigation action plan to evaluate causes of landslides within this 26. The lasting legacy of nepals quake a year after a devastating earthquake triggered killer avalanches and rock falls in nepal, scientists are wiring up mountainsides to. Land use changes, landslides and roads in the phewa. Apr 29, 2015 the threat of landslides and mudslides remains high across much of nepal s high country, and the risk is likely to increase when the monsoon rains arrive this summer, according to a university of. Landslides have killed at least 14 people in nepal as officials issued warnings on the risk of more landslides and flash floods due to torrential rain. Nepal has been very seriously affected by the 2016 monsoon, with prolonged heavy rainfall causing landslides across a large swathe of the country. Landslides in western nepal leave at least 33 dead the new. Assessment of existing and potential landslide hazards resulting.
Volume 100, issues 34, 15 august 2008, pages 429443. Thus geologically, it is considered very active as the height of the. Nepal is a mountainous, less developed kingdom that straddles the boundary between the indian and himalayan tectonic plates. All the earthquake data are downloaded from usgs 2019.
Landslides location geodata of landslides from earthquake on 25 april, 2015. A total of 202 people were reported dead, and 36,949. Nepal landslide triggered by rainfall kills 15 people and. Nepal flooding and landslides kill scores this article is more than 5 years old rain damages roads across the himalayan countrys western plains, forcing officials to. Quantifying how earth surface processes interact with climate, tectonics, and biota has proven challenging, in part due to the stochastic nature of erosion and sedimentation. The monsoon in nepal typically lasts from june to september, and fatal landslides happen mostly during that period. A lowresolution pdf version of the preliminary landslide map is appended to this document. Pdf nepal is composed of about 83% of mountainous train with. Jan 11, 2016 the massive subduction zone earthquake that hit nepal in 2015 also caused thousands of landslides. The uk governments abnnouncement today that their aid funding for nepal for the next five years will highlight disaster risk reduction, including reducing landslide losses, is very welcome. Land use changes, landslides and roads in the phewa watershed. Pages in category landslides in nepal this category contains only the following page. Detecting landslides in nepal with landsat landsat science.
In august 2014, torrential rains caused heavy floods and landslides in 23 districts throughout nepal. As millions of people regroup from the impact of the earthquakes in nepal, a team of international volunteers are combing through satellite imagery of the region to identify additional hazardsearthquakeinduced landslides. The uk governments abnnouncement today that their aid funding for nepal for the next five years will highlight disaster risk reduction. Landslides are particularly common on new roads or railway lines on steep slopes. Trends in landslide occurrence in nepal springerlink. Earthquakes in nepal are notorious for triggering landslides, which kill many nepalese each year. Landslide mapping after the 2015 gorkha and dolakha earthquakes. The 2015 earthquakes triggered over 22,000 landslides across 14 districts of central nepal. Landslide mapping after the 2015 gorkha and dolakha. Approximately 83% of nepals topography is composed of hills and mountains, making the country prone to landslides and debris flows dwidp. At each site a high precision extensometer will be installed to. Landslides in nepal from the 2016 monsoon the landslide. We tested community level education as a predictor of the vulnerability to floods and landslides in nepal using two sources of data.
Landslides triggered by the gorkha earthquake in the langtang. Geological survey provides critical landslidehazard expertise to nepalese agencies and villages affected by the april 25, magnitude 7. The araniko and pasang lhamu highways are two critical trading routes connecting nepal and china that are experiencing and are threatened by landsliding. Due to its steep topography and situation as part of the south asian monsoon cycle and the main central thrust fault line, the country is naturally prone to flooding, landslides, glacial lake, outburst floods, hail storms and earthquakes. The most catastrophic mass movement was a debris avalanche that buried several villages in the langtang valley. Click on the live landslide data drop down menu above to see live data from 10 slope monitoring stations deployed in nepal. Thousands of landslides in nepal earthquake raise parallels. Synopsis landslides impact the earths natural environment, including effects on 1 the morphology of the earths subaerial and.
In the aftermath of the earthquake, the national reconstruction authority nra identified c. Representative rainfall thresholds for landslides in the nepal. Landslide killed many people in nepal at the scene where this video was recorded. Request pdf monsoon rainfall and landslides in nepal a large number of human settlements on the nepal himalayas are situated either on old landslide mass or on landslide prone areas. Landslides and flash floods in the monsoon humanitarian. The term landslide or less frequently, landslip, refers to several forms of mass wasting that include a wide range of ground movements, such as rockfalls, deepseated slope failures, mudflows, and debris flows. May 14, 2015 landslide killed many people in nepal at the scene where this video was recorded. According to the ministry of home affairs, seven persons were killed in sunsari district in southern nepal. Trends in landslide occurrence in nepal learning from earthquakes.
Loss and damage happening now, nepal case study by. Community vulnerability to floods and landslides in nepal. The ministry of home affairs moha in nepal has said that at least 11 people have died as a result of landslides and floods in the country over the last 3 days some areas of the country have seen heavy rain since 30 june 2017 which has triggered several landslides and floods in nine districts. Landslides occur when the slope or a portion of it undergoes some processes that change its condition from stable to unstable. Nepal flooding and landslides kill scores world news the. In this paper, a database of landslide fatalities in nepal has been compiled. May 11, 2015 the monsoon in nepal typically lasts from june to september, and fatal landslides happen mostly during that period. Aug 12, 2017 hundreds of families have been displaced in the floods and landslides across the country. Pdf major landslides in nepal alaka lamsal academia. Dec 17, 2015 justin robertspierel from the joint center for earth systems technology uses landsat 8 to detect landslides in the himalayas. A landslide view in ghatte khola, achham, western nepal, 2006.
It is frequently forgotten that landslides often affect project infrastructure, rather than the project site itself, causing disruption, economic losses, and sometimes loss of life. Landslides in nepal, sindhupalchowk may 12 2015 youtube. Slope monitoring instrumentation will been installed at 10 selected sites. Nepal 11 deaths reported after floods and landslides in. In nepal, landslides represent a major constraint on development, causing high levels of economic loss and substantial numbers of fatalities each year. Impact of landslides and innovative landslidemitigation measures on the natural environment robert l. The amount of monsoon rainfall varies dramatically from year to year d. Jul 29, 2016 landslides in nepal from the 2016 monsoon to date nepal has been very seriously affected by the 2016 monsoon, with prolonged heavy rainfall causing landslides across a large swathe of the country.
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