A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer.

Sinkholes are most common in what geologists call, “ karst terrain.” These are regions where the types of rock below the land surface can naturally be dissolved by groundwater circulating …

Dec 4, 2024 · The search has revived national concern about the unpredictability of sinkholes. Here's what you should know about sinkholes, how they're created and where they can happen.

Mar 12, 2025 · Get sinkhole facts in geology. Learn about the different types of sinkholes, how they form, and how to repair or escape from one.

Jul 3, 2024 · People can create sinkholes when building roads, aquifers, or other types of construction. Altering land in these ways can weaken the underlying rock and make it more …

Oct 28, 2025 · Sinkholes are depressions that form when the underlying limestone bedrock is eroded or dissolved by groundwater.

Mar 9, 2025 · Sinkholes are sudden depressions or holes that appear on the Earth's surface when the ground collapses causing significant damage to infrastructure and serious risks to human …

What’s a sinkhole? Sinkholes typically form when naturally acidic rainwater erodes underlying bedrock, creating damage beneath the surface.

Apr 8, 2024 · Sinkholes happen when a cavity starts to grow underground. It expands over time, but the soil on the surface is strong enough to hold together and form a “ceiling” over the …