Search results
Results From The WOW.Com Content Network
The sinkhole was formed in karst terrain, which means rock below the surface can easily be dissolved by groundwater circulating through the bedrock. [5] The large hole measures over 1,000 feet in length, almost 500 feet wide and 630 feet deep, with a volume of over 176 million cubic feet. [ 6 ]
Two-thirds of the world’s more than 300 sinkholes are in China, scattered throughout the country’s west - with 30 known tiankeng, Guangxi province in the south has more of of them than ...
The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
Peter Sinks is a natural sinkhole in northern Utah that is one of the coldest places in the contiguous United States.. Peter Sinks is located 8,100 feet (2,500 m) above sea level, in the Bear River Mountains about 20 mi (32 km) east of Logan, within the Wasatch-Cache National Forest.
As a Montford Avenue sinkhole continues growing, neighbors wonder when it's going to be fixed.
Sima Humboldt (Sima Mayor) is an enormous sinkhole located on the summit of the plateau of Sarisariñama tepui in Bolívar State, Venezuela.It is unusual for several reasons, including its enormous size and depth, its location on the top of the only forested tepui, having a patch of forest on its base and also due to the weathering process that formed this sinkhole.
The Devil's Kitchen Sinkhole is a sinkhole near Sedona, Arizona on the Soldier Pass Trail in the Coconino National Forest. Formed in the late 1880s, It is one of the at least seven sinkholes surrounding the city. [3] The sinkhole is about 660 ft (200 m) deep, but enters a cave that adds 180 ft (55 m), for a total of 840 ft (260 m). [2]
A major earthquake (magnitude 7 to 7.5) occurred on the Seattle Fault about 900 C.E., creating multiple forms of evidence that led to the discovery of the fault and its description in Science in 1992.