Photos from open sources
Most often, land collapses occur when root underlying layer composed of limestone or other carbonate rock, is “eaten” by acidic soil water, sags after heavy rains or is damaged due to pipe breaks.
Especially dangerous are such sudden collapses, for obvious reasons, in cities where suddenly whole houses can go underground. Below you You will find photos from the places of the most massive landslides of the earth surfaces over the past decades:
In May 1981, this giant hole formed in the city. Winter Park (Florida). Local authorities decided to strengthen the edges, turn the resulting pit into a picturesque city lake.
A photo from open sources
Into this pit (18 m deep, 60 m long and 45 m wide) in 1995 Two houses in the fashionable San Francisco area failed.
A photo from open sources
In 1998, after unusually heavy rains and tearing the sewer pipe in San Diego, a giant crack formed. Its length is about 250 meters, width – 12 meters and depth – more 20 meters.
A photo from open sources
In 2003, rescuers had to pull out this bus at the help of the crane, after he suddenly fell underground under one of the streets of Lisbon (Portugal).
A photo from open sources
This hole swallowed in February 2007 several houses of the capital Guatemala. Three people are missing.
A photo from open sources
Bird’s-eye view.
A photo from open sources
In March 2007, in the Italian city of Gallipoli, the road collapsed into the network of underground caves below it.
A photo from open sources
In September 2008, a car driving along a street Guangdong Province of China, suddenly found himself in a pit depth of 5 meters, and a width of 15 meters.
A photo from open sources
This giant funnel was formed in May 2010 in the city Guatemala after a tropical storm swept through it “Agatha”.
A photo from open sources
The same funnel from a closer distance.
A photo from open sources
In May 2012, due to a collapse of soil on the roadway in the province of Shaanxi, China, this hole appeared 15 meters long, 10 meters wide and 6 meters deep.
A photo from open sources
And another landslide in Shaanxi (6 meters deep and 10 – wide) damaged three gas and one water pipe in December 2012.
A photo from open sources
This gigantic failure formed one of the December nights 2012 in the south of Poland. Its depth is about 10 meters, width – about 50 meters.
A photo from open sources
In January 2013, part of a rice field in a Chinese province Hainan fell into the ground. For the previous four months in the county About 20 such incidents occurred.
A photo from open sources