This past weekend, a large portion of an Australian beach suddenly collapsed into the ocean. Initial reports indicated it was a sinkhole, but geologists say it’s more likely to be the result of a unique near-shore landslide.
Though we understand what causes pits and chasms to open up in the ground, we can't predict them. And that leads to disasters like the ones in these pictures, which can strike in the middle of a field or the middle of a city — with terrifying results.
Why are sinkholes almost always round, instead of square-shaped, or triangular, or heart-shaped, or dodecahedron-shaped, or any one of the infinite number of other geometric forms they could take? The answer lies deep underground.
What causes sinkholes and can we predict when they will form? Geologist Daniel Doctor is here to answer all our questions about sinkholes, how they form, and anything else you've ever wondered about the geological phenomenon.
A sinkhole opened up under the National Corvette Museum early this morning. A security camera caught the first two losses on video.
Earlier this spring, residents of a rural community in Louisiana's Assumption Parish noticed mysterious bubbles rising to the surface in some bayous. Shortly thereafter, a series of small earthquakes shook the area, prompting state officials to investigate. But in Early August, the ground suddenly opened up and gave…