The Russian city being 'eaten alive': Cars, buses, and trucks disappear beneath the earth as they are swallowed by giant sinkholes

The Russian city being 'eaten alive': Cars, buses, and trucks disappear beneath the earth as they are swallowed by giant sinkholes

They may look like stills from an apocalyptic horror film, but 

these images have become a daily reality for residents in a 

Russian city. 

Citizens of Samara, in south east Russia, live in fear of the

ground literally disappearing beneath them after huge 

sinkholes have started to appear all over their city, leaving 

devastation in their wake. 

The yawning underground caverns are all believed to have 

sprung up in recent weeks swallowing cars, buses and 

claiming at least one life

There has reportedly been at least one fatality as a result of the sinkholes in the city, Russia's sixth largest

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The sinkholes, some large enough to swallow an entire truck, 

are believed to have been caused by ground subsidence. 

It is thought the holes have been caused as ice thaws and 

melts into the ground, with the excess water causing soil decay 

underneath Samara's roads. 

The massive craters have appeared in car parks, busy 

intersections, by the sides of roads, and on major and minor 

thoroughfares.

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 But natural sinkholes can take thousands of years to form and vary in size.

They are usually the result of what are known as Karst processes, which occur when a layer of rock such as limestone underneath the ground is dissolved by acidic water.

Typically rainfall seeps through the soil, absorbing carbon dioxide and reacting with decaying vegetation. As a result, the water that reaches the soluble rock is acidic.

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 The acidic water then erodes the soluble rock layers beneath the surface creating cavernous spaces.

Then, when it is no longer supported because of the cavity below, the soil or sand over the limestone collapses into a sinkhole.

The collapse of the surface can happen suddenly or over a few hours. Heavy rainfall or poor drainage systems can trigger a collapse. 

Citizens in Berezniki, Russia, have also been plagued by sinkholes.

Census data, though, shows that about 12,000 people left the town between 2005 and 2010, after a number of holes opened up.

They are also common in Florida, America. 

Jeff Bush, 37, was swallowed into a sinkhole and killed while he slept in his bed in February in the
Tampa Bay area of Florida.

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