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A massive sink hole stretching 100 feet opened up in an Illinois park on Wednesday, swallowing a light pole in the middle of recreational fields and leaving a gaping, deep hole in its wake.
Sinkholes can range in size from a few feet wide to hundreds of acres, and anywhere from 1 to 100 feet or more deep. Sinkholes can swallow up cars, parts of roads and even houses.
A soccer field in Illinois situated above a mine has been closed after a giant sinkhole swallowed the ground up, leaving a gaping 100-foot-wide crater in the middle of a community park ...
Thus, the total volume of the silts and clays is reduced, resulting in the lowering of the surface. The damage at the surface is much greater if there is differential settlement, or large-scale features, such as sinkholes and fissures. Aquifer compaction is a significant concern along with pumping-induced land subsidence.
Huge landslide at La Conchita, 1995. A geologic hazard or geohazard is an adverse geologic condition capable of causing widespread damage or loss of property and life. [1] These hazards are geological and environmental conditions and involve long-term or short-term geological processes.
In this case, several weeks and 200 mm of precipitation were needed to cause landslide reactivation. A similar approach is reported by Brand et al. (1988) for Hong Kong, who found that if the 24-hour antecedent rainfall exceeded 200 mm then the rainfall threshold for a large landslide event was 70 mm·h −1. Finally, Caine (1980) established a ...
In June, a giant sinkhole in southern Illinois swallowed the center of a soccer field built on top of a limestone mine, taking down a large light pole and leaving a gaping chasm where squads of ...
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