The incident occurred in the hilly city of Mercara in Karnataka, India, on August 16.
Large parts of southern India have been battered by heavy rain for weeks, which has triggered floors and landslides causing death and destruction.
The floods have triggered landslides and sent torrents sweeping through villages. Heavy rain hit parts of Kerala again this morning, which has slowed attempts to deploy rescuers and get relief supplies to isolated areas.
Many have seen no help for days and can only be reached by boat or helicopter, although rescue attempts are underway in some parts.
More than 300,000 people have taken shelter in over 1,500 state-run relief camps, officials said. But authorities said they were being inundated with calls for assistance, local media reported..
All 40 residents had already been evacuated from the building in Mercara in Karnataka and no lives were lost.
Eyewitnesses said the house, located near the well-known landmark, Muthappa temple, had been rented out by its owner to a few families.
As the land in the vicinity started slipping, officials evacuated all the residents of the house and prevented a major disaster.
The house is on going to slip down the hill
There are so many screams and crying shout of people around
Officials said more than 100 homes have collapsed in the last three days in Coorg district where Mercara is situated.
This was the terrifying moment a house glided down a hill after a landslide though without breaking up.
'We are receiving multiple repetitive rescue requests,' the office of the state's top official, Pinarayi Vijayan, said Friday in a tweet, asking those in need to provide their exact location and nearby landmarks so rescuers can find them.
Officials have called it the worst flooding in Kerala in a century, with rainfall in some areas well over double that of a typical monsoon season.
The downpours that started August 8 have triggered floods and landslides and caused homes and bridges to collapse across Kerala, a picturesque state known for its quiet tropical backwaters and beautiful beaches.
Officials estimate more than 10,000 kilometers (6,200 miles) of roads have been damaged. One of the state's major airports, in the city of Kochi, has been closed
Hundreds of troops and local fishermen are staging desperate rescue attempts with helicopters and boats across the southern state, which draws international tourists to its tropical hills and beaches.
Luckily, all the 40 plus residents of the building had been evacuated and no life was lost.
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