But what exactly is a sinkhole, and what are the warning signs? Here’s everything you need to know. A sinkhole is a depression in the ground with no natural external surface drainage.

while sensors beneath the road will detect early signs of subsurface movement,” Schapiro said. “Deeper underground devices will monitor long-term soil stability.” A sinkhole that opened up ...

The sinkhole is now large enough for an SUV to fit into and city crews have blocked off the entire canyon area with chain link fences, cones, warning signs and ... evaluated in early April 2024 ...