As of 14 august 2019, 121 people have been killed due to the floods across the state of kerala. They often take place in conjunction with earthquakes, floods and volcanoes. Pdf weathering and landslide occurrences in parts of. Landslides typically occur during the winter months in western washington and during the summer months in eastern washington, but are possible at any time. Landslides, heavy rainfall leave at least 18 dead in. The kerala state disaster management plan identifies 39 hazards categorised as naturally triggered hazards natural hazards and. At least 20 people were killed thursday in landslides triggered by heavy monsoon rains in south indian region of kerala. Landslides in the united states occur in all 50 states. It was reported that around ten people died, one was injured and a building was damaged in lunglei due to a. The peak spell of rains that created the extreme floods in kerala occurred between 8th to 17th of august 2018.
Weathering and landslide occurrences in parts of western ghats, kerala article pdf available in journal of the geological society of india 783. Many areas of western ghats of kerala are recognized to be prone to frequent landslide in past. Kerala is also one of the most densely populated indian states 860 persons per square kilometres making it more vulnerable to damages and losses on account of disasters. 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. Kerala is prone to high incidence of lightning, especially during the months of april. Landslides rank third in terms of number of deaths due to natural disasters. Flash floods and landslides leave several stranded in. For instance, kerala is placed first among states in inequality adjusted hdi which indicates the least loss of hdi on account on inequality. Landslides are typically associated with periods of heavy rainfall or rapid snowmelt and tend to worsen the effects of flooding. Land slips and damage to roads were reported from idukki, waynad, kozhikode districts. Impact of landslides and innovative landslidemitigation. Taluks of kerala ranked with population vulnerability to landslides. The swirling, jostling, billowing monsoon rains was a part of the state every year. The bodies of four persons including two children were recovered from the.
During the initial phase of onset of southwest monsoons, ten 10 landslides on 9th june, 2018 were reported in different parts of idukki district, kerala which. History of landslide susceptibility and a chorology of. The state government has requested the aid of the defence forces in the rescue effort. Five members of a family in malappuram and five from idukky died due to landslides. In 2001, the landslide in ambur in thiruvananthapuram claimed the lives of 38 people. This imminent landslide was suspected to be formed in three different stages viz. In kerala lightning, landslides debris flows and floods are the most commonly occurring natural hazards. Heavy rains have been battering the coastal state since august 7. Recurring landslides in the western ghats an environmental hazard volume 16 issue 2 p. The landslide season in kerala starts with the onset of the southwest monsoon every year. Kavalapara was among the 10 places that were marked as highly vulnerable to landslides, as per the list released by the kerala state disaster. District disaster management authority chairman and district collector pb nooh said that pilgrims have been banned from entering the hilltop at pampa in view of the possibility of landslides.
The data from the kerala state disaster management states that, as many as 1,789 houses had been damaged fully in between 8 and 19 august, while the number of partially damaged houses is 14,542. The death toll, following a major landslide at karinchola, near thamarassery reached 12 on saturday evening. Gsi advocates land use and zoning regulations during the recent floods in kerala, landslides caused deaths and loss of property. The incident occurred in karinchola village in kattippara gram panchayat, 40 km north of the district headquarters. Kerala state is currently facing the worst flooding and landslides on record since 1924. This phenomenon is very common in the hilly regions of the nilgiris dt, tamilnadu. Red alert has been issued in four districts idukki, malappuram, kozhikode and wayanad following heavy spells of rain, gusty winds and landslides across the.
Recent catastrophic landslides in 3 afghanistan, united states, the philippines and india illustrate that landslides are still a major threat in developed as well as developing countries. Realtime wireless sensor network for landslide detection. At least 18 people have been killed in landslides and rainrelated incidents over the last 24 hours in kerala, disaster management officials confirmed. For the main part seismically generated landslides usually do not differ in their morphology and internal processes from those generated under nonseismic conditions. 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. This paper tries to analyse various factors that influences. This report thus describes some recent catastrophic landslides in europe, their causes and. This paper tries to analyse various factors that influences landslides in this region. In kerala, landslides commonly occur in localised areas of the western ghats region. A reconnaissance report on capacity assessment of kerala. The kavalappara landslide in the western ghats of india. Explore landslide in kerala profile at times of india for photos, videos and latest news of landslide in kerala. Kerala, which is been hit by incessant rainfall, witnessed 24 landslides in the last 24 hours spiking the death toll to 22 on august 9, 2019.
Here is a list of worst landslides that you should know. The incidence of unabated rain during aug 14th 16th of 2018 led to unprecedented number of landslides in three districts. A reconnaissance report on capacity assessment of kerala state for landslides risk reduction and management. The highlands of kerala experience several types of landslides, of which debris flows are the most common. The landslide took place on september 18, 1948 due to heavy rains. Know the 10 landslideprone areas in kerala interactive map. Most of the casualties have been reported from idukki district in central kerala with 10 deaths. Weathering, landslides, cia, western ghats, kerala.
Kerala disaster control room sources told pti that 26 people have died in rainrelated incidents since wednesday, with 17 of them being killed in landslides in idukki and malapuram districts. Heavy rains and landslides have resulted in 20 deaths across kerala on thursday. With once in a century event in the month of august 2018, kerala went through a series of disasters including severe most flooding, dam breaks and landslides. The pdna for the floods and landslides was made possible due to the collaborative efforts of the government of kerala, the kerala state disaster management authority, the united nations agencies, the european commission and, swiss agency for development and cooperation sdc, european union civil protection and humanitarian aid echo.
Recorded 1day rainfall in different districts of kerala in 1961 sl. Heavy rains, landslides claim 16 lives in kerala india news. 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. Narasimhaprasad skip to main content we use cookies to distinguish you from other users and to provide you with a better experience on our websites. Landslides in kerala, india 2018 total no of landslides 3703 df rf ss soil slide. The variability of major influencing parameters may affect the degree of accuracy of the identifying landslide prone areas.
The calamity pushed the nationwide monsoon death toll for this year to over. On 5 june 2018, heavy rain affected mizoram state, causing landslides and casualties. It is understood that 115 people lost their lives due to floods and landslides. The table clearly indicates that kerala received rainfall which was completely unprecedented. The table below gives details of the areas that were notified as floodlandslide affected till 29th. It is the worst flood in kerala after the great flood of 99 that took place in 1924. Jun 15, 2018 landslides caused by heavy rain wreaked havoc in kerala on thursday, killing seven people, including three children, in kozhikode district. Map adapted from wikimedia filpro people say they have never witnessed so much rain in their. The state of kerala is prone to a host of natural hazards such as coastal erosion, flood, drought, lightening, landslide and earthquake. Landslides, floods kill 20 in southern india samaa. The floods and the accompanying landslides were catastrophic in terms of loss of lives, livelihoods.
Government of kerala, ndmagovernment of india, interagency field assessments, organisation level. Landslides are one of the major concerns for civil engineers as it results in loss of life and property. In wayanad, around five lakh tonnes of soil was displaced, most of it at one go. Thrivikramji and others published landslide atlas of kerala find, read and cite all the research you need. They are called urul pottal in the local vernacular. Mar 11, 2017 a potential head ward retreat landslide area was identified in munnar, a hill station in western ghats of kerala, india. In the case of recent floods and landslides in kerala, an interim memorandum was submitted by the state on 21. The indian government had declared it a level 3 calamity, or calamity of a severe nature. Know the 10 landslideprone areas in kerala interactive. It is a narrow strip of land, of which 47% is occupied by the most prominent orographic feature of peninsular india, the western ghats mountain chain. In some cases, an overview of the overall situation or of specific aspects of landslide management in some countries was provided. Rivers may swell further as idukki dam releases 3 lakh litres every second. Jun 28, 2008 kerala is the third most densely populated state in india. The term landslide refers to a variety of processes that result in the downward and outward movement of slopeforming materials, including rock, soil, artificial fill, or a combination of these.
Officials have asked people to avoid travel during night in the hilly areas of idukki district. Rivers have overflowed, and air, rail and road transportation have been disrupted. This is mainly due to the low exposure in the most landslide prone areas, as well as the increasing ability to identify the landslide prone areas and to implement appropriate landslide risk management actions. Press information bureau government of india central.
Geographically, kerala roughly divides into three climatically distinct regions. Flash floods are a particular type of flood disasters, characterized by their rapid onset and potential for infrastructure destruction. Jul 20, 2015 in past years, there have been some serious and fatal landslides in india. There have been 80 landslides in the span of 2 days, as said by the chief minister. Realtime wireless sensor network for landslide detection maneesha v. List of worst landslides in india education today news. All most all districts of kerala are multihazard prone figure i. Jun 14, 2018 incessant rains and landslides have left several people stranded in differnt districts in kerala. Landslide in pakistan a landslide includes a wide range of ground movements, such as rock falls, deep failure of slopes and shallow debris flows. The biggest reason for a landslide is that there is a slope and material goes down the slope because of gravity. The comparison of rainfall prediction and qualitative alerts from imd as against the realised actual rainfall is given in table 3. Pdf weathering and landslide occurrences in parts of western.
Pdf landslide hazard zonation in and around thodupuzha. Beginning 8 august and as 14 august, this is the second major flood in kerala this monsoon. Idukki, wayanad and thrissur in the state of kerala, caused a death toll about sixty and a heavy loss of cultivating land and severe damages to flora and fauna. A reconnaissance visit has been made to the kerala state during 911 october 2018 to get a rapid assessment of the lan dslides related initiatives and capacities in post disaster situation. In most developed countries with high landslide hazard, landslide events rarely end up as disasters.
Incessant rains over the last few days have caused flooding and landslides, leaving at least 37 people dead. Often, active landslides occur in tandem with periods of significant rainfall and erosion, so disaster declarations and damage estimates specific to landslide. According to the kerala government, onesixth of the total population of kerala had been directly affected by the floods and related incidents. Landslide hazard zonation in and around thodupuzha idukki munnar road tm road in idukki district, kerala, india has been carried out using geospatial techniques. Devotees would largely climb to the hilltop to see the. The gsi says that there is a need for land use and zoning regulations. Important factors considered to be responsible for causing landslides are. Landslides include debris flows, rock falls, rock slides and mud slips. Kerala state disaster management authority envis centre. A potential headward retreat landslide site at munnar, kerala. Kerala state and as the east by coimbatore district and erode district.
Whilst rescue operations continue, it has been reported that 46 bodies have been recovered from the debris, whilst it is believed that a further people were killed. Kerala chief minister pinarayi vijayan on sunday admitted that the escalation of deaths is largely the result of a large number of landslides 28 people have been killed in some 83 landslides. Landslide a very difficult disaster to manage difficult to predict when and where landslides occur landslides cost human lives and destroys assets landslide risk. This imminent landslide was suspec geophysical study through vertical electrical sounding reveals that more than 11 m thick soil is still left in an overhanging position in the crown portion of the landslide and the thickness continues to the top of that ridge. Over 500 people died in the landslide and according to the reports, the landslide buried an entire village. The southwest monsoon has been vigorous over kerala resulting in heavy rains in. In one of the major floodrelated calamities to hit kerala this year, as many as 30 families are feared trapped underneath a landslide in kavalappara at bhoothanam, malappuram and 10 people have. Impact of landslides and innovative landslide mitigation measures on the natural environment robert l. The materials may move by falling, toppling, sliding, spreading, or flowing. Over 2 lakh people have been directly affected by the flood, and have been shifted to 18 relief camps in different parts of kerala. Airport authorities suspended operations of the floodaffected cochin international airport till 15. Two major categories of landslides in general, landslides can be categorized as shallow or deepseated and this difference can determine their speed and size. Kerala s coast runs some 580 km in length, while the state itself varies between 35120 km in width. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Unconfirmed reports said that 10 people were trapped in. Landslide types and processes printed on recycled paper l andslides in the united states occur in all 50 states. Landslide simple english wikipedia, the free encyclopedia. The photos portray the utter devastation caused by the collapse of a hill and successive landslides in two villages of.
Heavy rains, landslides claim 16 lives in kerala the hilly district of idukki is the worst affected, as landslides were reported in 16 places. The recent tsunami of 26 december 2004 added a new dimension to the disaster profile of the state. Over 100 people have died in the last seven days due to floods and landslides in kerala, and the number of deaths is feared to climb as nearly 30 are still missing most of them in malappuram in. State officials estimate that more than 200 landslides have occurred, and close to 20,000 houses have been destroyed, along with thousands of miles of roads. Causes and types of landslides what is a landslide. As of 14 august, over 60,000 people have been evacuated to some 500 relief camps across the state, and 39 deaths have been reported. However, they tend to be more widespread and sudden. Landslides generally happen in areas where they have occurred in the past.
The idukki and mullaperiyar reservoirs received good inflows as the catchment areas have been receiving heavy rains. A red alert has been sounded off in idukki reservoir on the periyar river. This chapter gives details of all reference documents used for the preparation of this plan. Landslides caused by heavy rain wreaked havoc in kerala on thursday, killing seven people, including three children, in kozhikode district. The volume of soil and rock mobilized in a landslide can vary from a small. Landslides are simply defined as the mass movement of rock, debris or earth down a slope and have come to include a broad range of motions whereby falling, sliding and flowing under the influence of gravity dislodges earth material. The southwest monsoon has been vigorous over kerala resulting in heavy rains in various parts of the state since the past two days. All 80 dams across kerala released excess flood waters with idukki arc dam, one of. Landslides are one of the most important and major natural hazards that mankind is facing all over the world. The most abundant types of earthquakeinduced landslides are rock falls and slides of rock fragments that form on steep slopes.
As many as 57 tourists, including 24 foreigners, are stranded in munnar. Areas burned by forest and brush fires are also particularly susceptible to landslides. Landslide atlas of kerala request pdf researchgate. Because of its topography and climatic conditions, kerala is prone to landslides frequently and in every rainy season landslides causes severe damages to the state. Sharing of field experience kerala in august 2018, the state of kerala in india was hit by severe flash floods, which carried heavy human and economic consequences. Over 100 people have died in the last seven days due to floods and landslides in kerala, and the number of deaths is feared to climb as nearly 30 are still missing most of them in malappuram in the northern part of the state. Kerala, however, is highly vulnerable to natural disasters and the changing climatic dynamics given its location along the sea coast and with a steep gradient along the slopes of the western ghats.
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