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.
An earthquake struck northern Oklahoma early Saturday morning, rattling houses and waking residents in the region around Pawnee, about 74 miles north of Oklahoma City. Preliminary measurements show the quake had a magnitude of 5.6 â believed to be one of the strongest in state history.