The two regions most vulnerable to landslides are the Himalayas and the Western Ghats. The Himalayas mountain belt comprise of tectonically unstable younger geological formations subjected to severe seismic activity.
Which state has most landslides in India?
The Northeastern region is badly affected by landslide problems of a bewildering variety. Landslides in the Darjeeling district of West Bengal as also those in Sikkim, Mizoram, Tripura, Meghalaya, Assam, Nagaland and Arunachal Pradesh pose chronic problems, causing recurring economic losses worth billions of rupees.
Which areas are landslides prone?
The major landslide prone areas in India include the Western Ghats and Konkan Hills (Tamil Nadu, Kerala, Karnataka, Goa and Maharashtra), Eastern Ghats (Araku region in Andhra Pradesh), North-East Himalayas (Darjeeling and Sikkim) and North West Himalayas (Uttarakhand, Himachal Pradesh, Jammu and Kashmir).
Why are landslides common in India?
India has the highest mountain chain on earth, the Himalayas, which are formed due to collision of Indian and Eurasian plate, the northward movement of the Indian plate towards China causes continuous stress on the rocks rendering them friable, weak and prone to landslides and earthquakes.
Why is landslide so common in North East India?
Extremely heavy rains in the northeast could accentuate existing flood conditions and lead to landslides in some areas of the north-eastern states and sub-Himalayan West Bengal, India Meteorological Department said on Saturday. …
Why Western Ghats are prone to landslides?
In the Western Ghats, if you have continuous rainfall for a couple of days, the soil gets soggy, leading to landslides. … While the incidents in Himalayan region occur due to tectonic movements, the landslides in Western Ghats and Nilgiris happen mainly due to heavy rain events.
Are landslides common in India?
Over 12 percent of the Indian landmass is prone to landslides. In just eight months of 2021, India has seen at least 61 landslides. Many of these like the one in Kinnaur in Himachal Pradesh, earlier this month, also saw a significant death toll, with 13 people losing their lives.
Which part of India are prone to floods?
The major flood prone regions in India are Punjab, Haryana, most of the Gangetic plains including Uttar Pradesh, North Bihar and West Bengal, the Brahmaputra valley, coastal Andhra Pradesh and Orissa, and southern Gujarat.
Which parts of India are more prone to floods and droughts?
The flood-prone areas include West Bengal, Orissa, Andhra Pradesh, Kerala, Assam, Bihar, Gujrat, Uttar Pradesh, Haryana and Punjab. Drought-prone areas:-Maharashtra, Odisha, Telangana, Rajasthan, Madhya Pradesh, Jharkhand, Uttar Pradesh, Karnataka, Andhra Pradesh, Chhattisgarh.
Where did the landslide happen in India?
NEW DELHI, Aug 11 (Reuters) – A landslide in the mountainous Indian state of Himachal Pradesh has killed at least 10, injured 14 and left dozens trapped after boulders tumbled on to a major highway on Wednesday, smashing and burying several vehicles, Indian officials said.
Why Himalayas are prone to landslides Upsc?
The Himalayan landscape is susceptible to landslides and earthquakes. Formed due to the collision of Indian and Eurasian plates, the northward movement of the former puts continuous stress on the rocks, rendering them weak and prone to landslides and earthquakes.
Why are there landslides in Kerala?
The recent disaster in Kerala following heavy rains in the state has killed 35 individuals so far and left several missing. A number of experts have attributed the cause for the latest landslide to varying factors from a mini cloudburst to an interaction between two low-pressure weather systems.
Which state landslides are most likely?
Slides can occur in all 50 states, but regions like the Appalachian Mountains, the Rocky Mountains and the Pacific Coastal Ranges have “severe landslide problems,” according to the USGS. The agency lists California, Oregon, Washington, Alaska and Hawaii as especially prone.
Why do landslides occur in Sikkim?
Almost all the landslides in Sikkim occur after prolonged exposure to monsoon rains and occasionally during or just after cloudburst or precipitation intensity exceeding 135-145 mm in 24 hours. The red letter of October 1968 was considered the most disastrous in recent years of Sikkim history.
Why is Sikkim prone to natural disasters?
The region receives an annual rainfall of 3494 mm over 164 rainy days. The lower Himalayas in general are composed of friable rock formations and therefore prone to landslides even in dry season. These landslides frequently result in the capital being cut off from other parts of Sikkim and mainland India.