Still, this isn’t much of a swarm for an active quake zone, like California, or Yellowstone, or Alaska.
But, for Oklahoma, this is big. Plus, it appears to lay observers that earthquake intensity and frequency both have been building for over a year. Recent earthquakes in Arkansas and Texas concern some local residents who fear the quakes are the result of hydrofracturing (fracking) activities being conducted in relation to natural gas and oil drilling and extraction.
And as this map of U.S. quakes in the preceding week shows, the quakes in Oklahoma are the largest in the U.S. for the week.
More quakes in California, on the USGS maps -- but the Oklahoma quakes are biggest
Research continues, and local residents stay nervous.
Here’s a map that should update with new quake information — which means, Oklahomans hope, that the indicators of quakes will go away over the next few days.
USGS map of Oklahoma City/Tulsa area where earthquakes occurred in the week leading up to November 6, 2011
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Teacher of law, economics, history, AP government, psychology and science. Former speechwriter, press guy and legislative aide in U.S. Senate. Former Department of Education. My blog, Millard Fillmore's Bathtub, is a continuing experiment to test how to use blogs to improve and speed up learning processes for students, perhaps by making some of the courses actually interesting. It is a blog for teachers, to see if we can use blogs. It is for people interested in social studies and social studies education, to see if we can learn to get it right. It's a blog for science fans, to promote good science and good science policy. It's a blog for people interested in good government and how to achieve it.
BS in Mass Communication, University of Utah
Graduate study in Rhetoric and Speech Communication, University of Arizona
JD from the National Law Center, George Washington University