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"At the moment, I definitely-- my gut is saying this is naturally occurring seismicity within the region," Holland posited.
Originally posted by Glassbender777
The amount of drilling done in this area, is staggering. the use of Fracking the ground is more than likely the culprit to this. This is not good, because I live in this area, and it is still not understood very well, how fracking the ground is effecting the earth. Before the use of fracking, I cant remember a report of any earthquakes this far west of the new madrid fault. whats next, a full blown 9.0 on the New madrid fault, or the newly discovered Ancient fault lines running through Arkansas. Not good
Originally posted by ShogunAssassins
reply to post by pointr97
You do know that in 2010 more equiptment was added in the area for study so we could see these small quakes, right?
No. I see threads like this all the time, and the minor earthquakes never turn out to what they're hyped up to be.
4.7 In Oklahoma.. Odd to anyone else?
Most earthquakes are associated with major seismic zones, where the giant plates which make up the earth’s crust move relative to one another. Although the Pacific coast of North America is associated with such plate boundaries, and is consequently earthquake-prone, the central and eastern parts of the continent are isolated from such zones and generally regarded as being tectonically stable.
Earthquakes which occur in such areas are not, therefore, related to such large-scale plate dynamics, but are caused by movement along faults in the underlying bedrock. Tremors occurring on such fault systems are typically both smaller and shallower than those occurring at major plate boundaries – as occurred in Oklahoma.
Although the USGS notes that such faults are often deeply-buried, and can be undetected until earthquake activity occurs, an initial location map produced by the Oklahoma Geological Survey clearly shows that the main recorded tremors for the November 2011 earthquake occurred on a known fault line.