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Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks [1] or suffosion processes. [2] Sinkholes can vary in size from 1 to 600 m (3 to 2,000 ft) both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide. [3]
Three counties in Florida's Tampa area make up a region sometimes called "sinkhole alley" because of the over 20,000 sinkholes there, almost 75% of the sinkholes in the whole state, according to ...
This is a list of Superfund sites in Virginia designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law.The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]
Deep Run Ponds Natural Area Preserve is a 907-acre (3.67 km 2) Natural Area Preserve in Rockingham County, Virginia. The preserve contains one of the largest remaining systems of Shenandoah Valley sinkhole ponds in Virginia. Such ponds are found in Rockingham and Augusta counties; their water levels fluctuate throughout the year.
If and when a peril occurs and causes damage to your property, you may file a claim with your home insurance provider to help cover the repairs. A standard homeowners insurance policy lists the ...
A sinkhole opened up on a road in Dale City, Virginia, on July 4, swallowing one parked car.According to a local news report, the sinkhole was believed to be related to thunderstorms that began ...
Skyline Caverns is a series of geologic caves and a tourist attraction located in Warren County, Virginia, one mile (1.6 km) south of Front Royal. [1] The caverns were discovered by Walter S. Amos, a retired geologist and mineralogist from Winchester, Virginia, on December 17, 1937.
Metro Parks spokesperson Jill Snyder said that heavy rainfall on Feb. 17-18, 2022, caused the nearby Scioto River to overflow and create the "washout area" — mostly on land owned by the parks ...