Did the earth move for you this weekend?
. But while Mother Nature may focus her considerable powers on other national disasters in the area, there's still Uncle Sam to consider.series of earthquakes stemming from a 12,000-foot-deep injection well
The Army began injecting waste fluids into the well in March 1962, and a series of earthquakes erupted shortly thereafter, starting at 4:32 a.m. on April 24; by the end of December 1962, 190 earthquakes had been recorded at theat Bergen Park. And there was a whole lot of shaking going on in the years that followed.
In early 1966, the Arsenal stopped dumping waste in the well, but the biggest quake yet hit at 6:35 a.m. August 9, 1967, a 5.3 shocker that caused serious damage in Northglenn. Five more quakes hit metro Denver that November, including a 5.2 magnitude event on November 26. The Rocky Mountain Arsenal deep injection well was constructed in 1961, and was drilled to a depth of 12,045 feet. The well was cased and sealed to a depth of 11,975 feet, with the remaining 70 feet left as an open hole for the injection of Basin F liquids. For testing purposes, the well was injected with approximately 568,000 gallons of city water prior to injecting any waste.
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