• September 26, 2022

Two Giant Sinkholes Are Growing In Texas, Could Lead To “Catastrophic” Collapse

Two giant sinkholes in Texas are getting bigger and are at risk of collapsing – the effects of which could be “catastrophic”, scientists have warned. The sinkholes, found in the towns of Wink and Kermit, have been observed via satellite, and images indicate major changes could be underway.

The two sinkholes are currently a mile apart. The first one – Wink 1 – appeared in 1980, while the second – Wink 2 – opened up in 2002. They were caused by intense gas and oil extraction in the region from the 1920s to the 1960s. Wink 1 is currently 110m across, while Wink 2 can reach up to 270m.

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Researchers from the Southern Methodist University in Dallas have now carried out a study on the sinkholes using satellite radar remote sensing. Publishing their findings in the journal Remote Sensing, the team found the sinkholes are unstable as a result of changing groundwater levels and minerals being dissolved.

The team also found large areas of subsidence around the sinkholes, indicating more could appear in the future, or that they could collapse into one massive sinkhole. Jin-Woo Kim, one of the study authors, said: “This area is heavily populated with oil and gas production equipment and installations, hazardous liquid pipelines, as well as two communities. The intrusion of freshwater to underground can dissolve the interbedded salt layers and accelerate the sinkhole collapse. A collapse could be catastrophic.”

The town of Kermit, which is close to the most unstable of the two sinkhole, has a population of around 6,000. Wink meanwhile has 940 residents. The area also has active oil fields. “A sinkhole collapse can be severe under natural conditions, but it could be catastrophic in urban settings or at oil/gas exploration facilities,” the scientists wrote.

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