The United States Geological Survey is America’s official expert on earthquakes. It’s the Federal agency charged with monitoring, reporting on, researching and stressing preparedness for earthquakes. So I was surprised to read the following statement by the USGS: Earthquakes induced by human activity have been documented in a few locations in the United States, Japan, and Canada. The cause was injection of fluids into deep wells for waste disposal and secondary recovery of oil, and the use of reservoirs for water supplies. Most of these earthquakes were minor. The largest and most widely known resulted from fluid injection at the Rocky Mountain Arsenal near Denver, Colorado. In 1967, an earthquake of magnitude 5.5 followed a series of smaller earthquakes. Injection had been discontinued at the site in the previous year once the link between the fluid injection and the earlier series of earthquakes was established. (Nicholson, Craig and Wesson, R.L., 1990, Earthquake Hazard Associated with Deep Well Injection–A Report to the U.S. Environmental Protection Agency: U.S. Geological Survey Bulletin 1951, 74 p.)
September 1, 2011
Human Activity Is Officially Acknowledged to Cause Earthquake
Just a girl who loves her country and is trying to learn the truth. Share with me in my adventures! View all posts by Julie
This entry was posted on Thursday, September 1st, 2011 at 4:31 pm and posted in geo engineering, man made earthquakes, Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed.
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