How big are sinkholes? Sinkholes can range in size from just a few feet wide to ones that cover a vast area spanning hundreds of acres. The hole that may have swallowed Pollard was just the size of a manhole cover when it was discovered early Tuesday. Their depth can also vary from ...
Sinkholes are most common in what geologists callkarst terrain, which involves types of rock including limestone below the land surface that can naturally be dissolved by groundwater circulating through them. They can also happen due to old underground mines. Floridais ...
Sinkholes normally form gradually, but sometimes, the collapse can be sudden. Those sudden sinkholes are usually the ones that open up and swallow buildings and cars. Sinkholes can be natural or man-made and they normally start forming a long time before they actually happen. A sinkhole can ...
Becky Oskin
A mass movement can be as small as some rocks and debris you kick down a small incline or as big as the 1980 landslide set off by the eruption of Mount St. Helens. There are many kinds of mass movements categorized by the type of material involved, the way they moved and how fast ...
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Picture yourself waking up on a beach inside a cavern as big as a city block. Here's how to explore Hang Son Doong, the world's largest cave, in Vietnam.
Hillsborough County, where Seffner is situated, is part of an area in Florida prone to sinkholes, with insurance claims associated with them more than doubling between 2006 and 2009, according to a Florida Senate report. "The area between Tampa and Orlando was a big agricultural area," Randall...
A big step in knowing how to get rid of moles is understanding their diet. One old-wives tale that continues to live on is the suggestion of sticking a half-chewed piece of chewing gum into mole hills so the animal will eat it and choke. This is completely ineffective because moles only...
Speed Stingers are not immune to their own paralyzing venom. This was shown in "The Next Big Sting" when some of Speedy's packmates were partially paralyzed shortly after he stung them to protect the Dragon Riders. During "Sting It On!", that weakness still existed when a diurnal Speed ...