A newly released report from the U.S. Geological Survey (USGS) has for the first time attempted to establish a connection between human activities such as fracking with earthquake occurrence. Even though small in magnitude, human-induced earthquakes are becoming gradually important and warnings that greater magnitude events may be generated are expressed.
In the Buffalo National River, somebody can hear the running water and the next minute the water is gone! In the Ozarks, there are streams that disappear and reappear randomly! The ultimate question is about the reason that the streams become disappeared and the place in which the "disappeared" water goes.
Researchers along with USGS believe they may have developed a theory to explain the mid-plate earthquakes of the New Madrid Seismic Zone. They theorize that super dense rock exerts a gravitational pull on the terrain above creating a higher likelihood that faults in the NMSZ will slip.
American researchers at the 2015 national meeting of American Chemical Society outlined the details of an unexpected source of precious metals - sewage. That’s right. According to new research, organic materials (biosolids) generated by wastewater treatment plants may be an untapped source of precious metals and rare elements, including gold, silver, platinum, copper, palladium and vanadium that are used to make cell phones, computers, and other electronic devices.
A study performed by the U.S. Geological survey and published in Science reveals that rivers respond quickly to dam removal. In the past forty years, more than 1000 dams have been removed from US rivers due to safety concerns, sediment buildup, and inefficiency. According to Jim O’Connor, a geologist with the U.S.G.S. and lead author of the study, “rivers quickly erode sediment accumulated in former reservoirs and redistribute it downstream, commonly returning the river to conditions similar to those prior to impoundment." Because of this, more and more dams are coming down as a means of river restoration.
On Saturday, September 3rd, an earthquake struck northern Oklahoma at around 7 am. The quake was also felt accross Kansas, Missouri, Arkansas, and Texas. The epicenter was determined to be near Pawnee, about 74 miles north of Oklahoma City at a depth of 3.7 miles.
The quake was initially measured at a 5.6 magnitude, tying the state record. After further depth analysis, the USGS has updated the reading to a 5.8, making it the largest earthquake on record in the state of Oklahoma.
This week, several smaller earthquakes struck the same part of Oklahoma. So far, there have been 8 recorded earthquakes over a magnitude of 3.0. The Oklahoma Geological Survey believes it is possible that these quakes my be linked wastewater injection wells from fracking. They are beginning a study to determine ways to reduce the chances of "inadvertently inducing a seismic event". At this time, the USGS believes the event was a result of shallow strike-slip faulting.