The federal civil service was created by an Act of Congress in 1871.
Photos. There have been more than 150 earthquakes in the past week in Oklahoma, according to the Oklahoma Geological Survey (OGS).Thatâs not normal. Before 2009, the United States Geological Survey (USGS) reported Oklahoma would typically get three or fewer 3.0+ magnitude quakes a year.n the last few years, the average jumped up to about 40 significant quakes a year. Less than 2 months into 2014, Oklahoma has had more than 25 quakes registering 3.0+ magnitude in Oklahoma. Michael Lewchuk, an earthquake expert with Casady School, told KOCO, âFor Oklahoma that is an unusually large amount.
From 1975 to 2008, only a handful of magnitude-3.0 earthquakes or greater occurred yearly in Oklahoma. But the average grew to around 40 annual earthquakes from 2009 to 2013, seismologists said in an October study by the U.S. Geological Survey on the uptick of quake activity.ince 2009, more than 200 magnitude-3.0 or greater earthquakes have hit the state's midsection, according to the Geological Survey. Many have been centered near Oklahoma City, the most populous part of the state.