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 .

A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “karst terrain.”

Dec 4, 2024 · 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 beneath the surface and ...

Feb 21, 2024 · LOUIS — A large sinkhole collapsed an intersection in south St. Louis, just off Interstate 55. The sinkhole opened at the intersection of Blow Street and Idaho Avenue this week.

Sinkholes typically form when naturally acidic rainwater erodes underlying bedrock, creating damage beneath the surface. Their formation is most common in easily erodible karst terrains with...

3 days ago · TOKYO (AP) — A truck that fell into a sinkhole that suddenly opened on a road near Tokyo has captured national attention as attempts to rescue the elderly driver drag on. Residents near the hole ...

Apr 8, 2024 · A sinkhole is basically a hole which appears to suddenly open up in the ground. However, the process that leads to a sinkhole is not so sudden and may have been developing over a long period.

Jun 9, 2018 · A sinkhole is an area of ground that has no natural external surface drainage--when it rains, the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes can vary from a few feet to hundreds of acres and from less than 1 to more than 100 feet deep.

Jul 3, 2024 · A sinkhole is a hole in the ground that forms when water dissolves surface rock. This sinkhole sits in the Yucatan Peninsula in Mexico. Natural sinkholes in limestone, like this one, are called cenotes. People of Mexico have been using the …

What is a Sinkhole? Sinkholes (also called dolines) are depressed or collapsed areas formed by dissolution of carbonate bedrock or collapse of underlying caves. The surface expression of a sinkhole is typically a conical or bowl-shaped depression or area of internal drainage.