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The Colorado wildfire that tore through 15 square miles (39 square kilometers) and destroyed 48 buildings, over half of which were homes, was human-caused, investigators said Friday. The Alexander ...
Groundwater-related subsidence is the subsidence (or the sinking) of land resulting from unsustainable groundwater extraction.It is a growing problem in the developing world as cities increase in population and water use, without adequate pumping regulation and enforcement.
On July 31, 1976, heavy rainfall caused the Big Thompson River in Colorado to crest, causing at least 144 deaths, more than 250 injuries, and at least 5 others to be missing. The crest was caused by a stalled thunderstorm complex that produced rainfall totals of 12–14 inches (300–360 mm) near Estes Park, Colorado , including 7.5 inches (190 ...
Subsidence also causes many smaller-scale weather phenomena, such as morning fog; on the other hand, its absence may cause air stagnation. An extreme form of subsidence is a downburst, which can result in damage similar to that produced by a tornado. A milder form of subsidence is referred to as downdraft.
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Subsidence frequently causes major problems in karst terrains, where dissolution of limestone by fluid flow in the subsurface creates voids (i.e., caves).If the roof of a void becomes too weak, it can collapse and the overlying rock and earth will fall into the space, causing subsidence at the surface.
Land subsidence outside of Ruler Foods in Belleville, Ill., where an old mine below the store caused the land surrounding the building to sink into the ground on Sept. 26, 2023.