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The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
What causes sinkholes? A sinkhole is a hole or deep depression in the ground that opens up when layers of certain types of rock – usually limestone, carbonate rock and salt beds – dissolve ...
In road and rail transport, a washout is the result of a natural disaster where the roadbed is eroded away by flowing water, usually as the result of a flood. [1] When a washout destroys a railroad's right-of-way , the track is sometimes left suspended in midair across the newly formed gap, or it dips down into a ditch.
Sinkholes typically form so slowly they escape notice until a collapse, according to the agency. The USGS says things like groundwater pumping and some construction and development practices can ...
Sinkholes can range in size from a few feet wide to hundreds of acres, and anywhere from 1 to 100 feet or more deep. Sinkholes can swallow up cars, parts of roads and even houses.
Potholes occur with traffic over a roadway that has been weakened by water in the supporting soil structure. A pothole is a pot-shaped depression in a road surface, [1] usually asphalt pavement, where traffic has removed broken pieces of the pavement.
2018 Surabaya City sinkhole – a 30 m (98 ft) wide and 15 m (49 ft) deep sinkhole opened up on Gubeng Road in Surabaya, Indonesia during construction work on December 18, 2018. 2022 Tierra Amarilla sinkhole – a 25 m (80 ft) wide and more than 200 m (700 ft) deep sinkhole appeared in the commune of Tierra Amarilla , Atacama Region of Chile ...
A mammoth sinkhole opened along a major New Jersey interstate Thursday morning, closing several lanes and pushing motorists onto local roads to avoid the pit. The sinkhole — which appeared large ...