https://www.usgs.gov/faqs/what-a-sinkhole
A sinkhole is a depression in the ground with no external drainage, often caused by dissolution of soluble rocks. Learn more about sinkhole formation, types, and examples from the USGS Water Science School.

https://en.wikipedia.org/wiki/Sinkhole
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. A cenote is a type of sinkhole that exposes

https://www.usgs.gov/special-topics/water-science-school/science/sinkholes
Learn about sinkholes, areas of ground with no natural external drainage, that can form gradually or suddenly due to dissolution, subsidence, or collapse of rocks. Find out how sinkholes are related to groundwater, land use, and natural disasters.

https://www.nationalgeographic.org/encyclopedia/sinkhole/
Learn what a sinkhole is, how it forms, and where it occurs. Find out about different types of sinkholes, such as cenotes, and their effects on the environment and people.

https://www.usgs.gov/faqs/i-have-or-think-i-have-sinkhole-my-property-what-should-i-do
Learn how to identify, report, and deal with sinkholes on your land. Find out if your insurance covers sinkhole damage and how to contact your State Geological Survey for more information.

https://www.nationalgeographic.com/environment/article/sinkhole
Learn what causes sinkholes to form, how they differ in size and severity, and where they occur most frequently. See stunning photos of sinkholes around the world, from Florida to China.

https://theconversation.com/what-is-a-sinkhole-a-geotechnical-engineer-explains-227347
A sinkhole is a hole in the ground that exposes a cavity below the surface. Learn how sinkholes form, what types exist and how to prevent them from a geotechnical engineer.

https://www.britannica.com/science/sinkhole
sinkhole, topographic depression formed when underlying limestone bedrock is dissolved by groundwater.It is considered the most-fundamental structure of karst topography.Sinkholes vary greatly in area and depth and may be very large. There are two main varieties, one caused by the collapse of the roof of a cavern, the other by the gradual dissolving of rock under a soil mantle.

https://www.zmescience.com/science/geology/science-abc-sinkholes/
Sinkholes are natural depressions or holes in the Earth's surface, caused by karst processes in soluble rocks. Learn how they form, what types exist, and why they can be so dangerous for humans and the environment.

https://www.floridamuseum.ufl.edu/earth-systems/blog/sinkholes-what-are-they-how-do-they-form/
Learn about the different types of sinkholes, how they occur in carbonate bedrock like limestone, and where they are most common in Florida. Find out how to deal with a sinkhole in your yard or under a structure and get more information from the Florida Geological Survey.

https://www.livescience.com/44123-what-are-sinkholes.html
The Bayou Corne Sinkhole formed on Aug. 3, 2012. (Image credit: On Wings of Care) Warning signs of sinkholes. Areas with underlying dissolvable rock are most susceptible to sinkholes.

https://www.bbc.com/news/magazine-21600410
In January, a sinkhole that swallowed an entire building complex in Guangzhou, China, may have been triggered by the construction of an underground metro line nearby. Burst water mains or sewage

https://www.americangeosciences.org/critical-issues/sinkhole-basics
Learn what sinkholes are, how they form, and why they matter. Find out how geoscience helps to identify and prevent sinkhole hazards, and access resources for educators and the public.

https://science.howstuffworks.com/nature/natural-disasters/sinkhole.htm
Learn about the different types of sinkholes, how they form and where they occur. Find out how sinkholes affect the environment, the economy and the people who live near them.

https://www.livescience.com/planet-earth/geology/14-of-the-deepest-sinkholes-on-earth
Sima Humboldt is an enormous sinkhole located on the summit of Cerro Sarisarinama, a flat-topped mountain in Bolívar State, Venezuela. It has a depth of 1,030 feet (314 m) and contains a forest

https://www.youtube.com/watch?v=xlu6i6lT_vk
What are sinkholes, and how do these mysterious things form? Thanks to Skillshare for sponsoring this video. The first 500 people to use this link will get a

https://eartheclipse.com/environment/natural-disaster/formation-types-sinkholes.html
Learn how sinkholes are formed by erosion and water drainage, and what are the different types of sinkholes. Find out the signs of sinkholes and some examples of natural and artificial sinkholes.

https://tnlandforms.us/landforms/sinks.php
Google map with 43 deep sinkholes ( > 100') Approximately 25% of the earth's surface is karst landscape, and 20% of the US is made up of karst terrain. Tennessee sits atop a karst corridor so there are innumerable sinkholes in Tennessee, and the number is growing. The table above lists only those sinkholes with depths greater than 100'.

https://inspectapedia.com/vision/Tennessee-Sinkholes-Subsidences.php
We provide a catalog of types of sink holes around the world including California, Canada, Quebec, Estonia, Guatemala, Maryland, New York, Pennsylvania, Texas,Tennessee, Virginia and other states and provinces and countries. Explanation of causes of sinking buildings from events other than sinkholes. InspectAPedia tolerates no conflicts of

https://sinkholemaps.com/tn/
Sinkhole coverage is typically not included in Tennessee homeowner's insurance policies, but it can be purchased as an additional endorsement. Coverage amounts and specific terms can vary, so it is important to review your policy and speak with your insurance provider to ensure you have adequate coverage.

https://www.adn.com/alaska-news/2024/06/20/sinkholes-in-anchorage-and-mat-su-trigger-partial-road-closures/
A sinkhole that formed Wednesday, June 19, 2024, prompted the closure of the center lane of northbound Minnesota Drive at 26th Avenue, state officials say. (Photo provided by Alaska DOT) Repairs

https://www.villages-news.com/2024/06/22/sinkhole-shuts-down-traffic-on-busy-thoroughfare-in-the-villages/
A sinkhole shut down traffic on a busy thoroughfare in The Villages. The sinkhole opened up at about 3 p.m. Saturday on Canal Street at Golden Grove Drive in the Village of Sabal Chase. The location is near the Sabal Chase pool and postal facility. A sinkhole shut down traffic Saturday on Canal Street in The Villages.

https://www.agiusa.com/7-common-signs-of-sinkholes-how-to-test-for-them
Learn the 7 common signs of sinkholes and how to use electrical resistivity survey to detect them. Find out how to deal with sinkholes and avoid costly problems in karst areas.

https://www.usgs.gov/faqs/what-difference-between-a-sinkhole-and-land-subsidence
Learn the difference between a sinkhole and land subsidence, two types of ground collapse caused by different factors. A sinkhole is a depression with no external drainage, while land subsidence is a general sinking of the surface due to various reasons.

https://www.clickorlando.com/traffic/2024/06/22/sinkhole-shuts-down-street-in-the-villages-sheriffs-office-says/
THE VILLAGES, Fla. - A road in The Villages will remain closed for an undetermined amount of time due to what the Sumter County Sheriff's Office said Saturday was a sinkhole. The hole opened

https://boingboing.net/2024/06/23/ever-wondered-how-a-sinkhole-works-this-video-explains-it.html
A sinkhole forms when a large piece of ground collapses in on itself, seemingly out of the blue. Sinkholes begin forming underground, and this is why they happen so unexpectedly.

https://americanfw.com/sinkhole-repair/compaction-grouting/
Our compaction grounding team in Knoxville consistently strives toward quality customer service and effective, long-lasting solutions for customers throughout Tennessee, Georgia, and North Carolina. To learn more about our sinkhole contractor services or to schedule a free inspection and estimate, contact us at 865-982-0250 .

https://www.ocregister.com/2024/06/24/californias-climate-sinkhole-accelerates-its-decline/
California's climate sinkhole accelerates its decline The Golden State's political class' climate obsession is a warning to America

https://www.kktv.com/video/2024/06/24/watch-sinkhole-under-repairs-this-week/
Corey Nass says his son Toby was involved in a hit-and-run crash in Pueblo and has been at Memorial Central Hospital in a coma recovering from a hit-a-run crash for over a week. Police are still

https://krdo.com/news/top-stories/2024/06/25/sinkhole-prevention-project-to-affect-traffic-this-week-at-academy-airport-intersection-in-colorado-springs/
Along with the sinkhole prevention work, the west side of the intersection is closed for the summer because of utility upgrades; Academy traffic is narrowed to one lane at and approaching the